CVE-2026-73584 is a vulnerability in Red Hat Enterprise Linux (RHEL)
Published on August 13, 2026
Sblim-sfcb: sblim-sfcb: privileged file corruption and denial of service via insecure temporary file handling
A flaw was found in sblim-sfcb. A local, low-privileged attacker can exploit a race condition during privileged instance migration by manipulating a temporary file in the `/tmp` directory. By repeatedly recreating a symbolic link, the attacker can redirect privileged output to an arbitrary file. This can lead to privileged file corruption or a denial of service (DoS) on the system.
Vulnerability Analysis
CVE-2026-73584 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity and availability.
Timeline
Reported to Red Hat.
Made public. 109 days later.
Weakness Type
Insecure Temporary File
Creating and using insecure temporary files can leave application and system data vulnerable to attack.
Products Associated with CVE-2026-73584
Want to know whenever a new CVE is published for Red Hat Enterprise Linux (RHEL)? stack.watch will email you.