#VU99050 Double free in Linux kernel - CVE-2022-48954
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU99050
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-48954
CWE-ID: CWE-415
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 perform a denial of service (DoS) attack.
The vulnerability exists due to a double free error within the qeth_l2_br2dev_worker() and dev_put() functions in drivers/s390/net/qeth_l2_main.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/db6343a5b0d9661f2dd76f653c6d274d38234d2b
- https://git.kernel.org/stable/c/bde0dfc7c4569406a6ddeec363d04a1df7b3073f
- https://git.kernel.org/stable/c/ebaaadc332cd21e9df4dcf9ce12552d9354bbbe4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.83
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1