Riskcovery

CVE-2025-22041

ksmbd: fix use-after-free in ksmbd_sessions_deregister()

State
Published
Severity
8.8 High
Published
Apr 16, 2025
Updated
Aug 5, 2026
Reserved
Dec 29, 2024

Read the record on cve.org

Description

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

ksmbd: fix use-after-free in ksmbd_sessions_deregister()

In multichannel mode, UAF issue can occur in session_deregister when the second channel sets up a session through the connection of the first channel. session that is freed through the global session table can be accessed again through ->sessions of connection.

Scores

CVSSScoreVectorSource
3.18.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux
3.17.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCISA-ADP

Weaknesses

Affected Products

ProductVersions
LinuxLinux
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to before f0eb3f575138b816da74697bd506682574742fcdAffected
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to before a8a8ae303a8395cbac270b5b404d85df6ec788f8Affected
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to before ca042cc0e4f9e0d2c8f86dd67e4b22f30a516a9bAffected
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to before 8ed0e9d2f410f63525afb8351181eea36c80bcf1Affected
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to before 33cc29e221df7a3085ae413e8c26c4e81a151153Affected
  • 0626e6641f6b467447c81dd7678a69c66f7746cf to before 15a9605f8d69dc85005b1a00c31a050b8625e1aaAffected
LinuxLinux
  • 5.15Affected
  • before 5.15Not affected
  • 6.1.134 through 6.1.*Not affected
  • 6.6.87 through 6.6.*Not affected
  • 6.12.23 through 6.12.*Not affected
  • 6.13.11 through 6.13.*Not affected
  • 6.14.2 through 6.14.*Not affected
  • 6.15 and laterNot affected

References

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