SB2024110567 - Use-after-free in Linux kernel netfilter
Published: November 5, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024110567
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) Use-after-free (CVE-ID: CVE-2024-50130)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the nf_hook_run_bpf(), bpf_nf_link_release() and bpf_nf_link_attach() functions in net/netfilter/nf_bpf_link.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/f41bd93b3e0508edc7ba820357f949071dcc0acc
- https://git.kernel.org/stable/c/d0d7939543a1b3bb93af9a18d258a774daf8f162
- https://git.kernel.org/stable/c/1230fe7ad3974f7bf6c78901473e039b34d4fb1f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.59