CVE-2023-52440

high

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.

References

https://git.kernel.org/stable/c/ecd7e1c562cb08e41957fcd4b0e404de5ab38e20

https://git.kernel.org/stable/c/bd554ed4fdc3d38404a1c43d428432577573e809

https://git.kernel.org/stable/c/7f1d6cb0eb6af3a8088dc24b7ddee9a9711538c4

https://git.kernel.org/stable/c/4b081ce0d830b684fdf967abc3696d1261387254

https://git.kernel.org/stable/c/30fd6521b2fbd9b767e438e31945e5ea3e3a2fba

Details

Source: Mitre, NVD

Published: 2024-02-21

Updated: 2024-05-28

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High