CVE-2025-21945
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix use-after-free in smb2_lock
If smb_lock->zero_len has value, ->llist of smb_lock is not delete and flock is old one. It will cause use-after-free on error handling routine.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf < 410ce35a2ed6d0e114132bba29af49b69880c8c7 | affected |
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf < 8573571060ca466cbef2c6f03306b2cc7b883506 | affected |
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf < a0609097fd10d618aed4864038393dd75131289e | affected |
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf < 636e021646cf9b52ddfea7c809b018e91f2188cb | affected |
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf < 84d2d1641b71dec326e8736a749b7ee76a9599fc | affected |
| Linux | Linux | 5.15 | affected |
| Linux | Linux | 0 < 5.15 | unaffected |
| Linux | Linux | 6.1.131 <= 6.1.* | unaffected |
| Linux | Linux | 6.6.83 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.19 <= 6.12.* | unaffected |
| Linux | Linux | 6.13.7 <= 6.13.* | unaffected |
| Linux | Linux | 6.14 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
CVE Program Container
Additional References
References
- https://git.kernel.org/stable/c/410ce35a2ed6d0e114132bba29af49b69880c8c7
- https://git.kernel.org/stable/c/8573571060ca466cbef2c6f03306b2cc7b883506
- https://git.kernel.org/stable/c/a0609097fd10d618aed4864038393dd75131289e
- https://git.kernel.org/stable/c/636e021646cf9b52ddfea7c809b018e91f2188cb
- https://git.kernel.org/stable/c/84d2d1641b71dec326e8736a749b7ee76a9599fc
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