#VU108435 Use-after-free in Linux kernel - CVE-2023-53075
Published: May 4, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108435
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-2023-53075
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 lookup_rec() function in kernel/trace/ftrace.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/2a0d71fabfeb349216d33f001a6421b1768bd3a9
- https://git.kernel.org/stable/c/2de28e5ce34b22b73b833a21e2c45ae3aade3964
- https://git.kernel.org/stable/c/4f84f31f63416b0f02fc146ffdc4ab32723eb7e8
- https://git.kernel.org/stable/c/7569ee04b0e3b32df79f64db3a7138573edad9bc
- https://git.kernel.org/stable/c/83c3b2f4e7c61367c7b24551f4c6eb94bbdda283
- https://git.kernel.org/stable/c/ac58b88ccbbb8e9fb83e137cee04a856b1ea6635
- https://git.kernel.org/stable/c/ee92fa443358f4fc0017c1d0d325c27b37802504
- https://git.kernel.org/stable/c/f1bd8b7fd890d87d0dc4dedc6287ea34dd07c0b4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.8