#VU104442 Use-after-free in Linux kernel - CVE-2022-49696
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104442
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-2022-49696
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 tipc_exit_net() function in net/tipc/core.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/361c5521c1e49843b710f455cae3c0a50b714323
- https://git.kernel.org/stable/c/8b246ddd394d7d9640816611693b0096b998e27a
- https://git.kernel.org/stable/c/911600bf5a5e84bfda4d33ee32acc75ecf6159f0
- https://git.kernel.org/stable/c/cd7789e659e84f137631dc1f5ec8d794f2700e6c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.51