CVE-2025-21946
N/A
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix out-of-bounds in parse_sec_desc()
If osidoffset, gsidoffset and dacloffset could be greater than smb_ntsd struct size. If it is smaller, It could cause slab-out-of-bounds. And when validating sid, It need to check it included subauth array size.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf < f4ee19528664777af8b842f8f001be98345aa973 | affected |
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf < c1569dbbe2d43041be9f3fef7ca08bec3b66ad1b | affected |
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf < 159d059cbcb0e6d0e7a7b34af3862ba09a6b22d1 | affected |
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf < 6a9831180d0b23b5c97e2bd841aefc8f82900172 | affected |
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf < d6e13e19063db24f94b690159d0633aaf72a0f03 | affected |
| Linux | Linux | 5.15 | affected |
| Linux | Linux | 0 < 5.15 | unaffected |
| Linux | Linux | 6.1.160 <= 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
References
- https://git.kernel.org/stable/c/f4ee19528664777af8b842f8f001be98345aa973
- https://git.kernel.org/stable/c/c1569dbbe2d43041be9f3fef7ca08bec3b66ad1b
- https://git.kernel.org/stable/c/159d059cbcb0e6d0e7a7b34af3862ba09a6b22d1
- https://git.kernel.org/stable/c/6a9831180d0b23b5c97e2bd841aefc8f82900172
- https://git.kernel.org/stable/c/d6e13e19063db24f94b690159d0633aaf72a0f03
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