Not yet scoredPublished Sep 25, 2026

CVE-2026-98113ksmbd: rate limit unmapped SID errors

Updated under an hour ago (Oct 26, 2026, 10:40 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Undergoing Analysis
Record last updated: Oct 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before 3005d43143096321cc857645a9d48ef4ffde8bcf; from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before 674aabf554bdaffcf25f145bf32c8b4f510f7916; from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before 486876f957456721b5e51af532235db4c6f7bd47; from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before 13af319c1efec0b45fb5c1b16830eb0888b3fd1e; from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before 30dbb08777b9a611d7d9193c040f382fbd0e7562; from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before 54cb2a909996346ac6a8a3beac96c07b3dcba584; from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 before feca5e70fc963b088377b20879e8cd8237c2fd7d	CNA record

References

References

https://git.kernel.org/stable/c/3005d43143096321cc857645a9d48ef4ffde8bcf
https://git.kernel.org/stable/c/674aabf554bdaffcf25f145bf32c8b4f510f7916
https://git.kernel.org/stable/c/486876f957456721b5e51af532235db4c6f7bd47
https://git.kernel.org/stable/c/13af319c1efec0b45fb5c1b16830eb0888b3fd1e
https://git.kernel.org/stable/c/30dbb08777b9a611d7d9193c040f382fbd0e7562
https://git.kernel.org/stable/c/54cb2a909996346ac6a8a3beac96c07b3dcba584
https://git.kernel.org/stable/c/feca5e70fc963b088377b20879e8cd8237c2fd7d

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.