CVE-2026-98113 is a vulnerability in Linux Kernel
Published on September 25, 2026
ksmbd: rate limit unmapped SID errors
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: rate limit unmapped SID errors
A client can include many structurally valid but unmapped SIDs in a DACL.
Logging every mapping failure lets one request generate hundreds of kernel
error messages.
Rate limit the message to prevent an authenticated client from flooding
the kernel log.
Products Associated with CVE-2026-98113
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Affected Versions
Linux:- Version e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 and below 13af319c1efec0b45fb5c1b16830eb0888b3fd1e is affected.
- Version e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 and below 30dbb08777b9a611d7d9193c040f382fbd0e7562 is affected.
- Version e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 and below 54cb2a909996346ac6a8a3beac96c07b3dcba584 is affected.
- Version e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 and below feca5e70fc963b088377b20879e8cd8237c2fd7d is affected.
- Version 5.15 is affected.
- Before 5.15 is unaffected.
- Version 6.12.111, <= 6.12.* is unaffected.
- Version 6.18.53, <= 6.18.* is unaffected.
- Version 7.2.7, <= 7.2.* is unaffected.
- Version 7.3-rc2, <= * is unaffected.