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CVE-2026-98113

ksmbd: rate limit unmapped SID errors

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.15.222, 6.1.189, 6.6.158, 6.12.111, 6.18.53, and 1 more
None on Exploit-DB, Metasploit or GitHub

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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 · fixed in 3005d43143096321cc857645a9d48ef4ffde8bcf; From e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 · fixed in 674aabf554bdaffcf25f145bf32c8b4f510f7916; From e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 · fixed in 486876f957456721b5e51af532235db4c6f7bd47; From e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 · fixed in 13af319c1efec0b45fb5c1b16830eb0888b3fd1e; From e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 · fixed in 30dbb08777b9a611d7d9193c040f382fbd0e7562; From e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 · fixed in 54cb2a909996346ac6a8a3beac96c07b3dcba584; From e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 · fixed in feca5e70fc963b088377b20879e8cd8237c2fd7d

  • Linux Linux

    5.15

  • KernelLinux

    From 5.15.0 · fixed in 5.15.222; From 5.16.0 · fixed in 6.1.189; From 6.2.0 · fixed in 6.6.158; From 6.7.0 · fixed in 6.12.111; From 6.13.0 · fixed in 6.18.53; From 6.19.0 · fixed in 7.2.7

References 7

git.kernel.org