#VU93061 Integer overflow in Linux kernel - CVE-2023-52676
Published: June 21, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU93061
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-2023-52676
CWE-ID: CWE-190
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 execute arbitrary code.
The vulnerability exists due to integer overflow within the check_ptr_to_map_access() and check_stack_access_within_bounds() functions in kernel/bpf/verifier.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/ad140fc856f0b1d5e2215bcb6d0cc247a86805a2
- https://git.kernel.org/stable/c/e5ad9ecb84405637df82732ee02ad741a5f782a6
- https://git.kernel.org/stable/c/1d38a9ee81570c4bd61f557832dead4d6f816760
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8