NULL pointer dereference in Linux kernel - CVE-2024-26591
Published: April 22, 2024
Vulnerability identifier: #VU88888
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-2024-26591
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 a NULL pointer dereference error within the bpf_tracing_prog_attach() function in kernel/bpf/syscall.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2024-26591
Install updates from vendor's website.
Sources
- https://git.kernel.org/stable/c/a7b98aa10f895e2569403896f2d19b73b6c95653
- https://git.kernel.org/stable/c/6cc9c0af0aa06f781fa515a1734b1a4239dfd2c0
- https://git.kernel.org/stable/c/8c8bcd45e9b10eef12321f08d2e5be33d615509c
- https://git.kernel.org/stable/c/50ae82f080cf87e84828f066c31723b781d68f5b
- https://git.kernel.org/stable/c/715d82ba636cb3629a6e18a33bb9dbe53f9936ee