CVE-2024-50086
ksmbd: fix user-after-free from session log off
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix user-after-free from session log off There is racy issue between smb2 session log off and smb2 session setup. It will cause user-after-free from session log off. This add session_lock when setting SMB2_SESSION_EXPIRED and referece count to session struct not to free session while it is being used.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Oct 29, 2024 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
0626e6641f6b467447c81dd7678a69c66f7746cf < 0f62358ce85b2d4c949ef1b648be01b29cec667a 0626e6641f6b467447c81dd7678a69c66f7746cf < a9839c37fd813b432988f58a9d9dd59253d3eb2c 0626e6641f6b467447c81dd7678a69c66f7746cf < 5511999e9615e4318e9142d23b29bd1597befc08 0626e6641f6b467447c81dd7678a69c66f7746cf < ee371898b53a9b9b51c02d22a8c31bfb86d45f0d 0626e6641f6b467447c81dd7678a69c66f7746cf < 7aa8804c0b67b3cb263a472d17f2cb50d7f1a930
Linux / Linux
5.15
References
git.kernel.org: https://git.kernel.org/stable/c/0f62358ce85b2d4c949ef1b648be01b29cec667a git.kernel.org: https://git.kernel.org/stable/c/a9839c37fd813b432988f58a9d9dd59253d3eb2c git.kernel.org: https://git.kernel.org/stable/c/5511999e9615e4318e9142d23b29bd1597befc08 git.kernel.org: https://git.kernel.org/stable/c/ee371898b53a9b9b51c02d22a8c31bfb86d45f0d git.kernel.org: https://git.kernel.org/stable/c/7aa8804c0b67b3cb263a472d17f2cb50d7f1a930 lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html