#VU90188 Use-after-free in Linux kernel - CVE-2024-26983
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90188
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-26983
CWE-ID: CWE-416
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 escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the xbc_alloc_mem(), xbc_parse_tree() and xbc_init() functions in lib/bootconfig.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/1e7feb31a18c197d63a5e606025ed63c762f8918
- https://git.kernel.org/stable/c/e46d3be714ad9652480c6db129ab8125e2d20ab7
- https://git.kernel.org/stable/c/5a7dfb8fcd3f29fc93161100179b27f24f3d5f35
- https://git.kernel.org/stable/c/89f9a1e876b5a7ad884918c03a46831af202c8a0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.88
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.29