CVE-2026-98113 PUBLISHED

ksmbd: rate limit unmapped SID errors

Assigner: Linux
Reserved: 25.09.2026 Published: 25.09.2026 Updated: 25.09.2026

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.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to 13af319c1efec0b45fb5c1b16830eb0888b3fd1e (excl.)
  • affected from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to 30dbb08777b9a611d7d9193c040f382fbd0e7562 (excl.)
  • affected from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to 54cb2a909996346ac6a8a3beac96c07b3dcba584 (excl.)
  • affected from e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to feca5e70fc963b088377b20879e8cd8237c2fd7d (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 5.15 is affected
  • unaffected from 0 to 5.15 (excl.)
  • unaffected from 6.12.111 to 6.12.* (incl.)
  • unaffected from 6.18.53 to 6.18.* (incl.)
  • unaffected from 7.2.7 to 7.2.* (incl.)
  • unaffected from 7.3-rc2 to * (incl.)

References