#VU99809 Use-after-free in Linux kernel - CVE-2024-50130
Published: November 5, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU99809
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-50130
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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