Red Hat Virtualization Host

A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable

CVE-2023-4911 7.8 - High - October 03, 2023

A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.

Memory Corruption

A flaw was found in the way Samba handled file/directory metadata

CVE-2021-20316 6.8 - Medium - August 23, 2022

A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated attacker with permissions to read or modify share metadata, to perform this operation outside of the share.

Race Condition

A flaw was found in Ansible Engine's ansible-connection module

CVE-2021-3620 5.5 - Medium - March 03, 2022

A flaw was found in Ansible Engine's ansible-connection module, where sensitive information such as the Ansible user credentials is disclosed by default in the traceback error message. The highest threat from this vulnerability is to confidentiality.

Generation of Error Message Containing Sensitive Information

A vulnerability was found in the Linux kernels cgroup_release_agent_write in the kernel/cgroup/cgroup-v1.c function

CVE-2022-0492 7.8 - High - March 03, 2022

A vulnerability was found in the Linux kernels cgroup_release_agent_write in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 release_agent feature to escalate privileges and bypass the namespace isolation unexpectedly.

AuthZ

.A flaw was found in the

CVE-2021-3609 7 - High - March 03, 2022

.A flaw was found in the CAN BCM networking protocol in the Linux kernel, where a local attacker can abuse a flaw in the CAN subsystem to corrupt memory, crash the system or escalate privileges. This race condition in net/can/bcm.c in the Linux kernel allows for local privilege escalation to root.

Race Condition

The Samba vfs_fruit module uses extended file attributes (EA, xattr) to provide "

CVE-2021-44142 8.8 - High - February 21, 2022

The Samba vfs_fruit module uses extended file attributes (EA, xattr) to provide "...enhanced compatibility with Apple SMB clients and interoperability with a Netatalk 3 AFP fileserver." Samba versions prior to 4.13.17, 4.14.12 and 4.15.5 with vfs_fruit configured allow out-of-bounds heap read and write via specially crafted extended file attributes. A remote attacker with write access to extended file attributes can execute arbitrary code with the privileges of smbd, typically root.

Out-of-bounds Read

A flaw was found in the way samba implemented SMB1 authentication

CVE-2016-2124 5.9 - Medium - February 18, 2022

A flaw was found in the way samba implemented SMB1 authentication. An attacker could use this flaw to retrieve the plaintext password sent over the wire even if Kerberos authentication was required.

authentification

A flaw was found in the way Samba maps domain users to local users

CVE-2020-25717 8.1 - High - February 18, 2022

A flaw was found in the way Samba maps domain users to local users. An authenticated attacker could use this flaw to cause possible privilege escalation.

Improper Input Validation

A use-after-free flaw was found in the Linux kernels Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition

CVE-2021-3752 7.1 - High - February 16, 2022

A use-after-free flaw was found in the Linux kernels Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Race Condition

A flaw was found in mbsync before v1.3.6 and v1.4.2, where an unchecked pointer cast

CVE-2021-3578 7.8 - High - February 16, 2022

A flaw was found in mbsync before v1.3.6 and v1.4.2, where an unchecked pointer cast allows a malicious or compromised server to write an arbitrary integer value past the end of a heap-allocated structure by issuing an unexpected APPENDUID response. This could be plausibly exploited for remote code execution on the client.

Incorrect Type Conversion or Cast

AIDE before 0.17.4 allows local users to obtain root privileges via crafted file metadata (such as XFS extended attributes or tmpfs ACLs)

CVE-2021-45417 7.8 - High - January 20, 2022

AIDE before 0.17.4 allows local users to obtain root privileges via crafted file metadata (such as XFS extended attributes or tmpfs ACLs), because of a heap-based buffer overflow.

Memory Corruption

A flaw was found in SSSD, where the sssctl command was vulnerable to shell command injection

CVE-2021-3621 8.8 - High - December 23, 2021

A flaw was found in SSSD, where the sssctl command was vulnerable to shell command injection via the logs-fetch and cache-expire subcommands. This flaw allows an attacker to trick the root user into running a specially crafted sssctl command, such as via sudo, to gain root access. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Shell injection

A NULL pointer dereference flaw was found in the Linux kernel's SELinux subsystem in versions before 5.7

CVE-2020-10711 5.9 - Medium - May 22, 2020

A NULL pointer dereference flaw was found in the Linux kernel's SELinux subsystem in versions before 5.7. This flaw occurs while importing the Commercial IP Security Option (CIPSO) protocol's category bitmap into the SELinux extensible bitmap via the' ebitmap_netlbl_import' routine. While processing the CIPSO restricted bitmap tag in the 'cipso_v4_parsetag_rbm' routine, it sets the security attribute to indicate that the category bitmap is present, even if it has not been allocated. This issue leads to a NULL pointer dereference issue while importing the same category bitmap into SELinux. This flaw allows a remote network user to crash the system kernel, resulting in a denial of service.

NULL Pointer Dereference

An out-of-bounds access issue was found in the Linux kernel

CVE-2019-14821 8.8 - High - September 19, 2019

An out-of-bounds access issue was found in the Linux kernel, all versions through 5.3, in the way Linux kernel's KVM hypervisor implements the Coalesced MMIO write operation. It operates on an MMIO ring buffer 'struct kvm_coalesced_mmio' object, wherein write indices 'ring->first' and 'ring->last' value could be supplied by a host user-space process. An unprivileged host user or process with access to '/dev/kvm' device could use this flaw to crash the host kernel, resulting in a denial of service or potentially escalating privileges on the system.

Memory Corruption

An information disclosure vulnerability exists when certain central processing units (CPU) speculatively access memory

CVE-2019-1125 5.5 - Medium - September 03, 2019

An information disclosure vulnerability exists when certain central processing units (CPU) speculatively access memory, aka 'Windows Kernel Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2019-1071, CVE-2019-1073.

A heap data infoleak in multiple locations including L2CAP_PARSE_CONF_RSP was found in the Linux kernel before 5.1-rc1.

CVE-2019-3460 6.5 - Medium - April 11, 2019

A heap data infoleak in multiple locations including L2CAP_PARSE_CONF_RSP was found in the Linux kernel before 5.1-rc1.

Improper Input Validation

The userfaultfd implementation in the Linux kernel before 4.19.7 mishandles access control for certain UFFDIO_ ioctl calls, as demonstrated by allowing local users to write data into holes in a tmpfs file (if the user has read-only access to

CVE-2018-18397 5.5 - Medium - December 12, 2018

The userfaultfd implementation in the Linux kernel before 4.19.7 mishandles access control for certain UFFDIO_ ioctl calls, as demonstrated by allowing local users to write data into holes in a tmpfs file (if the user has read-only access to that file, and that file contains holes), related to fs/userfaultfd.c and mm/userfaultfd.c.

AuthZ

A flaw was found in glusterfs server through versions 4.1.4 and 3.1.2 which allowed repeated usage of GF_META_LOCK_KEY xattr

CVE-2018-14660 6.5 - Medium - November 01, 2018

A flaw was found in glusterfs server through versions 4.1.4 and 3.1.2 which allowed repeated usage of GF_META_LOCK_KEY xattr. A remote, authenticated attacker could use this flaw to create multiple locks for single inode by using setxattr repetitively resulting in memory exhaustion of glusterfs server node.

Resource Exhaustion

In the Linux kernel through 4.19, a use-after-free can occur due to a race condition between fanout_add

CVE-2018-18559 8.1 - High - October 22, 2018

In the Linux kernel through 4.19, a use-after-free can occur due to a race condition between fanout_add from setsockopt and bind on an AF_PACKET socket. This issue exists because of the 15fe076edea787807a7cdc168df832544b58eba6 incomplete fix for a race condition. The code mishandles a certain multithreaded case involving a packet_do_bind unregister action followed by a packet_notifier register action. Later, packet_release operates on only one of the two applicable linked lists. The attacker can achieve Program Counter control.

Race Condition

Paramiko version 2.4.1, 2.3.2, 2.2.3, 2.1.5, 2.0.8, 1.18.5, 1.17.6 contains a Incorrect Access Control vulnerability in SSH server

CVE-2018-1000805 8.8 - High - October 08, 2018

Paramiko version 2.4.1, 2.3.2, 2.2.3, 2.1.5, 2.0.8, 1.18.5, 1.17.6 contains a Incorrect Access Control vulnerability in SSH server that can result in RCE. This attack appear to be exploitable via network connectivity.

AuthZ

It was found that URLResource.getLastModified() in Undertow closes the file descriptors only when they are finalized

CVE-2018-1114 6.5 - Medium - September 11, 2018

It was found that URLResource.getLastModified() in Undertow closes the file descriptors only when they are finalized which can cause file descriptors to exhaust. This leads to a file handler leak.

Resource Exhaustion

A flaw was found in RPC request using gfs3_rename_req in glusterfs server

CVE-2018-10930 6.5 - Medium - September 04, 2018

A flaw was found in RPC request using gfs3_rename_req in glusterfs server. An authenticated attacker could use this flaw to write to a destination outside the gluster volume.

Improper Input Validation

A flaw was found in RPC request using gfs2_create_req in glusterfs server

CVE-2018-10929 8.8 - High - September 04, 2018

A flaw was found in RPC request using gfs2_create_req in glusterfs server. An authenticated attacker could use this flaw to create arbitrary files and execute arbitrary code on glusterfs server nodes.

Improper Input Validation

A flaw was found in RPC request using gfs3_lookup_req in glusterfs server

CVE-2018-10927 8.1 - High - September 04, 2018

A flaw was found in RPC request using gfs3_lookup_req in glusterfs server. An authenticated attacker could use this flaw to leak information and execute remote denial of service by crashing gluster brick process.

Improper Input Validation

A flaw was found in RPC request using gfs3_symlink_req in glusterfs server which

CVE-2018-10928 8.8 - High - September 04, 2018

A flaw was found in RPC request using gfs3_symlink_req in glusterfs server which allows symlink destinations to point to file paths outside of the gluster volume. An authenticated attacker could use this flaw to create arbitrary symlinks pointing anywhere on the server and execute arbitrary code on glusterfs server nodes.

insecure temporary file

A flaw was found in RPC request using gfs3_mknod_req supported by glusterfs server

CVE-2018-10926 8.8 - High - September 04, 2018

A flaw was found in RPC request using gfs3_mknod_req supported by glusterfs server. An authenticated attacker could use this flaw to write files to an arbitrary location via path traversal and execute arbitrary code on a glusterfs server node.

Improper Input Validation

It was found that the "mknod" call derived from mknod(2) can create files pointing to devices on a glusterfs server node

CVE-2018-10923 8.1 - High - September 04, 2018

It was found that the "mknod" call derived from mknod(2) can create files pointing to devices on a glusterfs server node. An authenticated attacker could use this to create an arbitrary device and read data from any device attached to the glusterfs server node.

Improper Input Validation

It was found that an attacker could issue a xattr request

CVE-2018-10914 6.5 - Medium - September 04, 2018

It was found that an attacker could issue a xattr request via glusterfs FUSE to cause gluster brick process to crash which will result in a remote denial of service. If gluster multiplexing is enabled this will result in a crash of multiple bricks and gluster volumes.

NULL Pointer Dereference

An information disclosure vulnerability was discovered in glusterfs server

CVE-2018-10913 6.5 - Medium - September 04, 2018

An information disclosure vulnerability was discovered in glusterfs server. An attacker could issue a xattr request via glusterfs FUSE to determine the existence of any file.

Generation of Error Message Containing Sensitive Information

A flaw was found in the way dic_unserialize function of glusterfs does not handle negative key length values

CVE-2018-10911 7.5 - High - September 04, 2018

A flaw was found in the way dic_unserialize function of glusterfs does not handle negative key length values. An attacker could use this flaw to read memory from other locations into the stored dict value.

Information Disclosure

It was found that glusterfs server is vulnerable to multiple stack based buffer overflows due to functions in server-rpc-fopc.c allocating fixed size buffers using 'alloca(3)'

CVE-2018-10907 8.8 - High - September 04, 2018

It was found that glusterfs server is vulnerable to multiple stack based buffer overflows due to functions in server-rpc-fopc.c allocating fixed size buffers using 'alloca(3)'. An authenticated attacker could exploit this by mounting a gluster volume and sending a string longer that the fixed buffer size to cause crash or potential code execution.

Stack Overflow

It was found that glusterfs server does not properly sanitize file paths in the "trusted.io-stats-dump" extended attribute

CVE-2018-10904 8.8 - High - September 04, 2018

It was found that glusterfs server does not properly sanitize file paths in the "trusted.io-stats-dump" extended attribute which is used by the "debug/io-stats" translator. Attacker can use this flaw to create files and execute arbitrary code. To exploit this attacker would require sufficient access to modify the extended attributes of files on a gluster volume.

Untrusted Path

A heap-buffer overflow was found in the way samba clients processed extra long filename in a directory listing

CVE-2018-10858 8.8 - High - August 22, 2018

A heap-buffer overflow was found in the way samba clients processed extra long filename in a directory listing. A malicious samba server could use this flaw to cause arbitrary code execution on a samba client. Samba versions before 4.6.16, 4.7.9 and 4.8.4 are vulnerable.

Buffer Overflow

A vulnerability was discovered in SPICE before version 0.14.1 where the generated code used for demarshalling messages lacked sufficient bounds checks

CVE-2018-10873 8.8 - High - August 17, 2018

A vulnerability was discovered in SPICE before version 0.14.1 where the generated code used for demarshalling messages lacked sufficient bounds checks. A malicious client or server, after authentication, could send specially crafted messages to its peer which would result in a crash or, potentially, other impacts.

Improper Input Validation

A flaw was found in ansible

CVE-2018-10875 7.8 - High - July 13, 2018

A flaw was found in ansible. ansible.cfg is read from the current working directory which can be altered to make it point to a plugin or a module path under the control of an attacker, thus allowing the attacker to execute arbitrary code.

Untrusted Path

In ansible it was found

CVE-2018-10874 7.8 - High - July 02, 2018

In ansible it was found that inventory variables are loaded from current working directory when running ad-hoc command which are under attacker's control, allowing to run arbitrary code as a result.

Untrusted Path

A flaw was found affecting the Linux kernel before version 4.17

CVE-2018-1120 5.3 - Medium - June 20, 2018

A flaw was found affecting the Linux kernel before version 4.17. By mmap()ing a FUSE-backed file onto a process's memory containing command line arguments (or environment strings), an attacker can cause utilities from psutils or procps (such as ps, w) or any other program which makes a read() call to the /proc/<pid>/cmdline (or /proc/<pid>/environ) files to block indefinitely (denial of service) or for some controlled time (as a synchronization primitive for other attacks).

Buffer Overflow

In the function wmi_set_ie(), the length validation code does not handle unsigned integer overflow properly

CVE-2018-5848 7.8 - High - June 12, 2018

In the function wmi_set_ie(), the length validation code does not handle unsigned integer overflow properly. As a result, a large value of the 'ie_len' argument can cause a buffer overflow in all Android releases from CAF (Android for MSM, Firefox OS for MSM, QRD Android) using the Linux Kernel.

Integer Overflow or Wraparound

In the Linux Kernel before version 4.15.8, 4.14.25, 4.9.87, 4.4.121, 4.1.51, and 3.2.102, an error in the "_sctp_make_chunk()" function (net/sctp/sm_make_chunk.c) when handling SCTP packets length

CVE-2018-5803 5.5 - Medium - June 12, 2018

In the Linux Kernel before version 4.15.8, 4.14.25, 4.9.87, 4.4.121, 4.1.51, and 3.2.102, an error in the "_sctp_make_chunk()" function (net/sctp/sm_make_chunk.c) when handling SCTP packets length can be exploited to cause a kernel crash.

Improper Input Validation

An AVX-512-optimized implementation of the mempcpy function in the GNU C Library (aka glibc or libc6) 2.27 and earlier may write data beyond the target buffer

CVE-2018-11237 7.8 - High - May 18, 2018

An AVX-512-optimized implementation of the mempcpy function in the GNU C Library (aka glibc or libc6) 2.27 and earlier may write data beyond the target buffer, leading to a buffer overflow in __mempcpy_avx512_no_vzeroupper.

Memory Corruption

stdlib/canonicalize.c in the GNU C Library (aka glibc or libc6) 2.27 and earlier

CVE-2018-11236 9.8 - Critical - May 18, 2018

stdlib/canonicalize.c in the GNU C Library (aka glibc or libc6) 2.27 and earlier, when processing very long pathname arguments to the realpath function, could encounter an integer overflow on 32-bit architectures, leading to a stack-based buffer overflow and, potentially, arbitrary code execution.

Memory Corruption

Linux kernel vhost since version 4.8 does not properly initialize memory in messages passed between virtual guests and the host operating system in the vhost/vhost.c:vhost_new_msg() function

CVE-2018-1118 5.5 - Medium - May 10, 2018

Linux kernel vhost since version 4.8 does not properly initialize memory in messages passed between virtual guests and the host operating system in the vhost/vhost.c:vhost_new_msg() function. This can allow local privileged users to read some kernel memory contents when reading from the /dev/vhost-net device file.

Improper Initialization

The do_get_mempolicy function in mm/mempolicy.c in the Linux kernel before 4.12.9

CVE-2018-10675 7.8 - High - May 02, 2018

The do_get_mempolicy function in mm/mempolicy.c in the Linux kernel before 4.12.9 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted system calls.

Dangling pointer

Unbounded memory allocation in Google Guava 11.0 through 24.x before 24.1.1 allows remote attackers to conduct denial of service attacks against servers

CVE-2018-10237 5.9 - Medium - April 26, 2018

Unbounded memory allocation in Google Guava 11.0 through 24.x before 24.1.1 allows remote attackers to conduct denial of service attacks against servers that depend on this library and deserialize attacker-provided data, because the AtomicDoubleArray class (when serialized with Java serialization) and the CompoundOrdering class (when serialized with GWT serialization) perform eager allocation without appropriate checks on what a client has sent and whether the data size is reasonable.

Allocation of Resources Without Limits or Throttling

The xfs_dinode_verify function in fs/xfs/libxfs/xfs_inode_buf.c in the Linux kernel through 4.16.3

CVE-2018-10322 5.5 - Medium - April 24, 2018

The xfs_dinode_verify function in fs/xfs/libxfs/xfs_inode_buf.c in the Linux kernel through 4.16.3 allows local users to cause a denial of service (xfs_ilock_attr_map_shared invalid pointer dereference) via a crafted xfs image.

NULL Pointer Dereference

A privilege escalation flaw was found in gluster 3.x snapshot scheduler

CVE-2018-1088 8.1 - High - April 18, 2018

A privilege escalation flaw was found in gluster 3.x snapshot scheduler. Any gluster client allowed to mount gluster volumes could also mount shared gluster storage volume and escalate privileges by scheduling malicious cronjob via symlink.

Incorrect Privilege Assignment

A flaw was found in the Linux 4.x kernel's implementation of 32-bit syscall interface for bridging

CVE-2018-1068 6.7 - Medium - March 16, 2018

A flaw was found in the Linux 4.x kernel's implementation of 32-bit syscall interface for bridging. This allowed a privileged user to arbitrarily write to a limited range of kernel memory.

Memory Corruption

The resv_map_release function in mm/hugetlb.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (BUG) via a crafted application

CVE-2018-7740 5.5 - Medium - March 07, 2018

The resv_map_release function in mm/hugetlb.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (BUG) via a crafted application that makes mmap system calls and has a large pgoff argument to the remap_file_pages system call.

Buffer Overflow

The futex_requeue function in kernel/futex.c in the Linux kernel before 4.14.15 might

CVE-2018-6927 7.8 - High - February 12, 2018

The futex_requeue function in kernel/futex.c in the Linux kernel before 4.14.15 might allow attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact by triggering a negative wake or requeue value.

Integer Overflow or Wraparound

An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 2.26 and earlier could cause these functions to return a pointer to a heap area

CVE-2018-6485 9.8 - Critical - February 01, 2018

An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 2.26 and earlier could cause these functions to return a pointer to a heap area that is too small, potentially leading to heap corruption.

Memory Corruption

In glibc 2.26 and earlier there is confusion in the usage of getcwd() by realpath()

CVE-2018-1000001 7.8 - High - January 31, 2018

In glibc 2.26 and earlier there is confusion in the usage of getcwd() by realpath() which can be used to write before the destination buffer leading to a buffer underflow and potential code execution.

Memory Corruption

The acpi_smbus_hc_add function in drivers/acpi/sbshc.c in the Linux kernel through 4.14.15

CVE-2018-5750 5.5 - Medium - January 26, 2018

The acpi_smbus_hc_add function in drivers/acpi/sbshc.c in the Linux kernel through 4.14.15 allows local users to obtain sensitive address information by reading dmesg data from an SBS HC printk call.

Information Disclosure