Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 0626e6641f6b467447c81dd7678a69c66f7746cf before 0f62358ce85b2d4c949ef1b648be01b29cec667a; affected 0626e6641f6b467447c81dd7678a69c66f7746cf before a9839c37fd813b432988f58a9d9dd59253d3eb2c; affected 0626e6641f6b467447c81dd7678a69c66f7746cf before 5511999e9615e4318e9142d23b29bd1597befc08; affected 0626e6641f6b467447c81dd7678a69c66f7746cf before ee371898b53a9b9b51c02d22a8c31bfb86d45f0d; affected 0626e6641f6b467447c81dd7678a69c66f7746cf before 7aa8804c0b67b3cb263a472d17f2cb50d7f1a930 |
| Linux / Linux | affected 5.15; unaffected 0 before 5.15; unaffected 5.15.171 through 5.15.*; unaffected 6.1.114 through 6.1.*; unaffected 6.6.58 through 6.6.*; unaffected 6.11.5 through 6.11.*; unaffected 6.12 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/0f62358ce85b2d4c949ef1b648be01b29cec667a
- https://git.kernel.org/stable/c/a9839c37fd813b432988f58a9d9dd59253d3eb2c
- https://git.kernel.org/stable/c/5511999e9615e4318e9142d23b29bd1597befc08
- https://git.kernel.org/stable/c/ee371898b53a9b9b51c02d22a8c31bfb86d45f0d
- https://git.kernel.org/stable/c/7aa8804c0b67b3cb263a472d17f2cb50d7f1a930
ADP enrichment
No English description supplied.
No references supplied.
No English description supplied.