SB2024102258 - NULL pointer dereference in Linux kernel bpf bpftool
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024102258
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-2024-49987)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the show_link_netfilter() function in tools/bpf/bpftool/net.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/c2d9f9a7837ab29ccae0c42252f17d436bf0a501
- https://git.kernel.org/stable/c/2e0f6f33f2aa87493b365a38a8fd87b8854b7734
- https://git.kernel.org/stable/c/c208b02827eb642758cef65641995fd3f38c89af
- https://git.kernel.org/stable/c/f04e2ad394e2755d0bb2d858ecb5598718bf00d5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.55