CVE-2025-22037
N/A
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix null pointer dereference in alloc_preauth_hash()
The Client send malformed smb2 negotiate request. ksmbd return error response. Subsequently, the client can send smb2 session setup even thought conn->preauth_info is not allocated. This patch add KSMBD_SESS_NEED_SETUP status of connection to ignore session setup request if smb2 negotiate phase is not complete.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf < cce57cd8c5dead24127cf2308fdd60fcad2d6ba6 | affected |
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf < ca8bed31edf728a662ef9d6f39f50e7a7dc2b5ad | affected |
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf < 8f216b33a5e1b3489c073b1ea1b3d7cb63c8dc4d | affected |
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf < b8eb243e670ecf30e91524dd12f7260dac07d335 | affected |
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf < c8b5b7c5da7d0c31c9b7190b4a7bba5281fc4780 | affected |
| Linux | Linux | 5.15 | affected |
| Linux | Linux | 0 < 5.15 | unaffected |
| Linux | Linux | 6.6.107 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.23 <= 6.12.* | unaffected |
| Linux | Linux | 6.13.11 <= 6.13.* | unaffected |
| Linux | Linux | 6.14.2 <= 6.14.* | unaffected |
| Linux | Linux | 6.15 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/cce57cd8c5dead24127cf2308fdd60fcad2d6ba6
- https://git.kernel.org/stable/c/ca8bed31edf728a662ef9d6f39f50e7a7dc2b5ad
- https://git.kernel.org/stable/c/8f216b33a5e1b3489c073b1ea1b3d7cb63c8dc4d
- https://git.kernel.org/stable/c/b8eb243e670ecf30e91524dd12f7260dac07d335
- https://git.kernel.org/stable/c/c8b5b7c5da7d0c31c9b7190b4a7bba5281fc4780
- https://www.zerodayinitiative.com/advisories/ZDI-25-310/
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