#VU90214 Use-after-free in Linux kernel - CVE-2024-26739
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90214
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-2024-26739
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 tcf_mirred_to_dev() function in net/sched/act_mirred.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/28cdbbd38a4413b8eff53399b3f872fd4e80db9d
- https://git.kernel.org/stable/c/f4e294bbdca8ac8757db436fc82214f3882fc7e7
- https://git.kernel.org/stable/c/166c2c8a6a4dc2e4ceba9e10cfe81c3e469e3210
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.182
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.136
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8