SB20240531448 - NULL pointer dereference in Linux kernel s390 net
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531448
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-2024-35917)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the bpf_skip(), asm(), bpf_jit_epilogue(), bpf_int_jit_compile(), bpf_jit_supports_far_kfunc_call() and bpf_arch_text_poke() functions in arch/s390/net/bpf_jit_comp.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/c3062bdb859b6e2567e7f5c8cde20c0250bb130f
- https://git.kernel.org/stable/c/d3d74e45a060d218fe4b0c9174f0a77517509d8e
- https://git.kernel.org/stable/c/7ded842b356d151ece8ac4985940438e6d3998bb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.26
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.5