CVE-2024-50283
kernel: ksmbd: fix slab-use-after-free in smb3_preauth_hash_rsp
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · November 19, 2024
Updated · September 12, 2026
Description
A flaw was found in ksmbd, the in-kernel SMB server. This vulnerability, identified as a slab-use-after-free, occurs in the smb3_preauth_hash_rsp function due to a session being prematurely freed before its intended use. A local attacker could exploit this memory corruption flaw, potentially leading to a denial of service or arbitrary code execution.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-416 · Use After Free