CVE-2026-98113

Medium

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.

SeverityMedium
CVSS5.5
Exploit probability—
ProductLinux Kernel
PublishedSep 25, 2026
First seenSep 25, 2026

How to fix

Update
  • linux linux_kernel5.15.222, 6.1.189, 6.6.158, 6.12.11, 6.18.53, 7.2.7 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel5.15 ≤ v < 5.15.222, 6.0 ≤ v < 6.1.189, 6.2 ≤ v < 6.6.158, 6.7 ≤ v < 6.12.11, 6.13 ≤ v < 6.18.53, 6.19 ≤ v < 7.2.7, 7.35.15.222, 6.1.189, 6.6.158, 6.12.11, 6.18.53, 7.2.7

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