CVE-2023-52440

HIGH

Linux Kernel < 6.1.52 - Memory Corruption

Title source: rule
STIX 2.1

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.

Exploits (1)

nomisec WORKING POC 52 stars
by BitsByWill · poc
https://github.com/BitsByWill/ksmbd-n-day

References (5)

Core 5

Scores

CVSS v3 7.8
EPSS 0.0048
EPSS Percentile 65.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-119
Status published
Products (1)
linux/linux_kernel 5.17.0 - 6.1.52
Published Feb 21, 2024
Tracked Since Feb 18, 2026