Description
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.
Affected products
linux: linux kernel
References7
- git.kernel.org/stable/c/13af319c1efec0b45fb5c1b16830eb0888b3fd1e Patch
- git.kernel.org/stable/c/3005d43143096321cc857645a9d48ef4ffde8bcf Patch
- git.kernel.org/stable/c/30dbb08777b9a611d7d9193c040f382fbd0e7562 Patch
- git.kernel.org/stable/c/486876f957456721b5e51af532235db4c6f7bd47 Patch
- git.kernel.org/stable/c/54cb2a909996346ac6a8a3beac96c07b3dcba584 Patch
- git.kernel.org/stable/c/674aabf554bdaffcf25f145bf32c8b4f510f7916 Patch
- git.kernel.org/stable/c/feca5e70fc963b088377b20879e8cd8237c2fd7d Patch
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 5 · as of 9 November 2026
- CWE
- CWE-770
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.