#VU115780 Use-after-free in Linux kernel - CVE-2022-50367
Published: September 18, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115780
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-2022-50367
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 inode_init_always() function in fs/inode.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/1e555c3ed1fce4b278aaebe18a64a934cece57d8
- https://git.kernel.org/stable/c/2a96b532098284ecf8e4849b8b9e5fc7a28bdee9
- https://git.kernel.org/stable/c/2e488f13755ffbb60f307e991b27024716a33b29
- https://git.kernel.org/stable/c/64b79e632869ad3ef6c098a4731d559381da1115
- https://git.kernel.org/stable/c/70e4f70d54e0225f91814e8610477d65f33cefe4
- https://git.kernel.org/stable/c/81de80330fa6907aec32eb54c5619059e6e36452
- https://git.kernel.org/stable/c/c0aa76b0f17f59dd9c9d3463550a2986a1d592e4
- https://git.kernel.org/stable/c/d1ff475d7c83289d0a7faef346ea3bbf90818bad
- https://git.kernel.org/stable/c/ec2aab115eb38ac4992ea2fcc2a02fbe7af5cf48
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.262