NULL pointer dereference in Linux kernel - CVE-2024-46686
Published: September 13, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU97260
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-46686
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the smb2_new_read_req() function in fs/smb/client/smb2pdu.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2024-46686
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/6df57c63c200cd05e085c3b695128260e21959b7
- https://git.kernel.org/stable/c/a01859dd6aebf826576513850a3b05992809e9d2
- https://git.kernel.org/stable/c/b902fb78ab21299e4dd1775e7e8d251d5c0735bc
- https://git.kernel.org/stable/c/c724b2ab6a46435b4e7d58ad2fbbdb7a318823cf
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.108
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.49