SB2024042234 - Denial of service in Linux kernel bpf
Published: April 22, 2024
Security Bulletin ID
SB2024042234
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2024-26589)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the adjust_ptr_min_max_vals() function in kernel/bpf/verifier.c. A local user can crash the OS kernel.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/29ffa63f21bcdcef3e36b03cccf9d0cd031f6ab0
- https://git.kernel.org/stable/c/4108b86e324da42f7ed425bd71632fd844300dc8
- https://git.kernel.org/stable/c/e8d3872b617c21100c5ee4f64e513997a68c2e3d
- https://git.kernel.org/stable/c/1b500d5d6cecf98dd6ca88bc9e7ae1783c83e6d3
- https://git.kernel.org/stable/c/22c7fa171a02d310e3a3f6ed46a698ca8a0060ed