#VU90593 NULL pointer dereference in Linux kernel - CVE-2024-26731
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90593
Vulnerability risk: Low
CVSSv4.0: 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-2024-26731
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
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 sk_psock_verdict_data_ready() function in net/core/skmsg.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/4588b13abcbd561ec67f5b3c1cb2eff690990a54
- https://git.kernel.org/stable/c/9b099ed46dcaf1403c531ff02c3d7400fa37fa26
- https://git.kernel.org/stable/c/d61608a4e394f23e0dca099df9eb8e555453d949
- https://git.kernel.org/stable/c/4cd12c6065dfcdeba10f49949bffcf383b3952d8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.80
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8