CVE-2026-98113
MEDIUM severity · CVSS 5.5 · Resource exhaustion
5.5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/13af319c1efec0b45fb5c1b16830eb0888b3fd1e ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/13af319c1efec0b45fb5c1b16830eb0888b3fd1ePatch
- https://git.kernel.org/stable/c/3005d43143096321cc857645a9d48ef4ffde8bcfPatch
- https://git.kernel.org/stable/c/30dbb08777b9a611d7d9193c040f382fbd0e7562Patch
- https://git.kernel.org/stable/c/486876f957456721b5e51af532235db4c6f7bd47Patch
- https://git.kernel.org/stable/c/54cb2a909996346ac6a8a3beac96c07b3dcba584Patch
- https://git.kernel.org/stable/c/674aabf554bdaffcf25f145bf32c8b4f510f7916Patch
- https://git.kernel.org/stable/c/feca5e70fc963b088377b20879e8cd8237c2fd7dPatch