SB2024042236 - Denial of service in Linux kernel bpf
Published: April 22, 2024
Security Bulletin ID
SB2024042236
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) NULL pointer dereference (CVE-ID: CVE-2024-26591)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the bpf_tracing_prog_attach() function in kernel/bpf/syscall.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/a7b98aa10f895e2569403896f2d19b73b6c95653
- https://git.kernel.org/stable/c/6cc9c0af0aa06f781fa515a1734b1a4239dfd2c0
- https://git.kernel.org/stable/c/8c8bcd45e9b10eef12321f08d2e5be33d615509c
- https://git.kernel.org/stable/c/50ae82f080cf87e84828f066c31723b781d68f5b
- https://git.kernel.org/stable/c/715d82ba636cb3629a6e18a33bb9dbe53f9936ee