SB20240621110 - Integer overflow in Linux kernel bpf
Published: June 21, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240621110
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer overflow (CVE-ID: CVE-2023-52676)
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.
References
- 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