CVE-2025-22041
ksmbd: fix use-after-free in ksmbd_sessions_deregister()
CVSS Score
8.8
EPSS Score
0.1%
EPSS Percentile
16th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Apr 16, 2025 |
| Last Updated | Apr 2, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
0626e6641f6b467447c81dd7678a69c66f7746cf < f0eb3f575138b816da74697bd506682574742fcd 0626e6641f6b467447c81dd7678a69c66f7746cf < a8a8ae303a8395cbac270b5b404d85df6ec788f8 0626e6641f6b467447c81dd7678a69c66f7746cf < ca042cc0e4f9e0d2c8f86dd67e4b22f30a516a9b 0626e6641f6b467447c81dd7678a69c66f7746cf < 8ed0e9d2f410f63525afb8351181eea36c80bcf1 0626e6641f6b467447c81dd7678a69c66f7746cf < 33cc29e221df7a3085ae413e8c26c4e81a151153 0626e6641f6b467447c81dd7678a69c66f7746cf < 15a9605f8d69dc85005b1a00c31a050b8625e1aa
Linux / Linux
5.15
References
git.kernel.org: https://git.kernel.org/stable/c/f0eb3f575138b816da74697bd506682574742fcd git.kernel.org: https://git.kernel.org/stable/c/a8a8ae303a8395cbac270b5b404d85df6ec788f8 git.kernel.org: https://git.kernel.org/stable/c/ca042cc0e4f9e0d2c8f86dd67e4b22f30a516a9b git.kernel.org: https://git.kernel.org/stable/c/8ed0e9d2f410f63525afb8351181eea36c80bcf1 git.kernel.org: https://git.kernel.org/stable/c/33cc29e221df7a3085ae413e8c26c4e81a151153 git.kernel.org: https://git.kernel.org/stable/c/15a9605f8d69dc85005b1a00c31a050b8625e1aa lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html