vulnerability
Ubuntu: (CVE-2023-52440): linux-oem-6.5 vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:S/C:C/I:C/A:C) | Feb 21, 2024 | Nov 19, 2024 | Aug 18, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
Feb 21, 2024
Added
Nov 19, 2024
Modified
Aug 18, 2025
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.
Solution
ubuntu-upgrade-linux-oem-6-5
References
- CVE-2023-52440
- https://attackerkb.com/topics/CVE-2023-52440
- CWE-119
- URL-https://git.kernel.org/linus/4b081ce0d830b684fdf967abc3696d1261387254
- URL-https://git.kernel.org/stable/c/30fd6521b2fbd9b767e438e31945e5ea3e3a2fba
- URL-https://git.kernel.org/stable/c/4b081ce0d830b684fdf967abc3696d1261387254
- URL-https://git.kernel.org/stable/c/7f1d6cb0eb6af3a8088dc24b7ddee9a9711538c4
- URL-https://git.kernel.org/stable/c/bd554ed4fdc3d38404a1c43d428432577573e809
- URL-https://git.kernel.org/stable/c/ecd7e1c562cb08e41957fcd4b0e404de5ab38e20
- URL-https://www.cve.org/CVERecord?id=CVE-2023-52440
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