CVE-2023-52440
Critical · CVSS 9.8- CVSS
- 9.8
- nvd
- EPSS
- 21.9%
- 97th pct
- KEV
- No
- Class
- oss containerizable
- CWE-119
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slub overflow in ksmbd_decode_ntlmssp_auth_blob() If authblob->SessionKey.Length is bigger than session key size(CIFS_KEY_SIZE), slub overflow can happen in key exchange codes. cifs_arc4_crypt copy to session key array from SessionKey from client.
Affected packages
| Linux | Kernel | 5.15.0 → 5.15.145 |
| Linux | Kernel | 5.16.0 → 6.1.52 |
| Linux | Kernel | 6.2.0 → 6.4.15 |
| Linux | Kernel | 6.5.0 → 6.5.2 |
References
- https://git.kernel.org/stable/c/30fd6521b2fbd9b767e438e31945e5ea3e3a2fba
- https://git.kernel.org/stable/c/4b081ce0d830b684fdf967abc3696d1261387254
- https://git.kernel.org/stable/c/7f1d6cb0eb6af3a8088dc24b7ddee9a9711538c4
- https://git.kernel.org/stable/c/bd554ed4fdc3d38404a1c43d428432577573e809
- https://git.kernel.org/stable/c/ecd7e1c562cb08e41957fcd4b0e404de5ab38e20
- https://git.kernel.org/stable/c/30fd6521b2fbd9b767e438e31945e5ea3e3a2fba
- https://git.kernel.org/stable/c/4b081ce0d830b684fdf967abc3696d1261387254
- https://git.kernel.org/stable/c/7f1d6cb0eb6af3a8088dc24b7ddee9a9711538c4
- https://git.kernel.org/stable/c/bd554ed4fdc3d38404a1c43d428432577573e809
- https://git.kernel.org/stable/c/ecd7e1c562cb08e41957fcd4b0e404de5ab38e20
Status: profiled · ingested 2026-08-15T18:00:50.000Z