#VU100168 Use-after-free in Linux kernel - CVE-2024-50257
Published: November 10, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU100168
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-2024-50257
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 xt_find_table_lock() function in net/netfilter/x_tables.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/ba22ea01348384df19cc1fabc7964be6e7189749
- https://git.kernel.org/stable/c/cb7c388b5967946f097afdb759b7c860305f2d96
- https://git.kernel.org/stable/c/6a1f088f9807f5166f58902d26246d0b88da03a8
- https://git.kernel.org/stable/c/bab3bb35c03b263c486833d50d50c081d9e9832b
- https://git.kernel.org/stable/c/f48d258f0ac540f00fa617dac496c4c18b5dc2fa
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.171
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.116
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.60