#VU94934 Use-after-free in Linux kernel - CVE-2024-42109
Published: July 31, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU94934
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-2024-42109
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 nft_rcv_nl_event() function in net/netfilter/nf_tables_api.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/3325628cb36b7f216c5716e7b5124d9dc81199e4
- https://git.kernel.org/stable/c/4c06c13317b9a08decedcd7aaf706691e336277c
- https://git.kernel.org/stable/c/55a40406aac555defe9bdd0adec9508116ce7cb1
- https://git.kernel.org/stable/c/09e650c3a3a7d804430260510534ccbf71c75b2e
- https://git.kernel.org/stable/c/9f6958ba2e902f9820c594869bd710ba74b7c4c0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.163
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.98
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.39