CVE-2026-98113

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxe2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < 13af319c1efec0b45fb5c1b16830eb0888b3fd1eaffected
LinuxLinuxe2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < 30dbb08777b9a611d7d9193c040f382fbd0e7562affected
LinuxLinuxe2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < 54cb2a909996346ac6a8a3beac96c07b3dcba584affected
LinuxLinuxe2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < feca5e70fc963b088377b20879e8cd8237c2fd7daffected
LinuxLinux5.15affected
LinuxLinux0 < 5.15unaffected
LinuxLinux6.12.111 <= 6.12.*unaffected
LinuxLinux6.18.53 <= 6.18.*unaffected
LinuxLinux7.2.7 <= 7.2.*unaffected
LinuxLinux7.3-rc2 <= *unaffected

Weaknesses

References