#VU92003 Use of uninitialized resource in Linux kernel - CVE-2024-27431
Published: June 13, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU92003
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-2024-27431
CWE-ID: CWE-908
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 use of uninitialized resource within the cpu_map_bpf_prog_run_xdp() function in kernel/bpf/cpumap.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/5f4e51abfbe6eb444fa91906a5cd083044278297
- https://git.kernel.org/stable/c/f0363af9619c77730764f10360e36c6445c12f7b
- https://git.kernel.org/stable/c/3420b3ff1ff489c177ea1cb7bd9fbbc4e9a0be95
- https://git.kernel.org/stable/c/f562e4c4aab00986dde3093c4be919c3f2b85a4a
- https://git.kernel.org/stable/c/eaa7cb836659ced2d9f814ac32aa3ec193803ed6
- https://git.kernel.org/stable/c/2487007aa3b9fafbd2cb14068f49791ce1d7ede5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.213
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.152
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.82
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.22
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8