Riskcovery

CVE-2024-26811

ksmbd: validate payload size in ipc response

State
Published
Severity
9.8 Critical
Published
Apr 8, 2024
Updated
Aug 5, 2026
Reserved
Feb 19, 2024

Read the record on cve.org

Description

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: validate payload size in ipc response

If installing malicious ksmbd-tools, ksmbd.mountd can return invalid ipc response to ksmbd kernel server. ksmbd should validate payload size of ipc response from ksmbd.mountd to avoid memory overrun or slab-out-of-bounds. This patch validate 3 ipc response that has payload.

Scores

CVSSScoreVectorSource
3.19.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HLinux

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to before 88b7f1143b15b29cccb8392b4f38e75b7bb3e300Affected
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to before 51a6c2af9d20203ddeeaf73314ba8854b38d01bdAffected
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to before a637fabac554270a851033f5ab402ecb90bc479cAffected
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to before 76af689a45aa44714b46d1a7de4ffdf851ded896Affected
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to before a677ebd8ca2f2632ccdecbad7b87641274e15aacAffected
LinuxLinux
  • 5.15Affected
  • before 5.15Not affected
  • 5.15.157 through 5.15.*Not affected
  • 6.1.85 through 6.1.*Not affected
  • 6.6.26 through 6.6.*Not affected
  • 6.8.5 through 6.8.*Not affected
  • 6.9 and laterNot affected

References

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