#VU91227 NULL pointer dereference in Linux kernel - CVE-2022-48708
Published: June 5, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91227
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-2022-48708
CWE-ID: CWE-476
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 NULL pointer dereference within the pcs_set_mux() function in drivers/pinctrl/pinctrl-single.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/1177bdafe87cbe543a2dc48a9bbac265aa5864db
- https://git.kernel.org/stable/c/e671e63587c92b3fd767cf82e73129f6d5feeb33
- https://git.kernel.org/stable/c/2b763f7de108cb1a5ad5ed08e617d677341947cb
- https://git.kernel.org/stable/c/6e2a0521e4e84a2698f2da3950fb5c5496a4d208
- https://git.kernel.org/stable/c/71668706fbe7d20e6f172fa3287fa8aac1b56c26
- https://git.kernel.org/stable/c/bcc487001a15f71f103d102cba4ac8145d7a68f2
- https://git.kernel.org/stable/c/d2d73e6d4822140445ad4a7b1c6091e0f5fe703b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.306
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.273
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.168
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.94
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.232
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2