#VU108263 NULL pointer dereference in Linux kernel - CVE-2022-49931
Published: May 2, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108263
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-2022-49931
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 sc_disable() function in drivers/infiniband/hw/hfi1/pio.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/1afac08b39d85437187bb2a92d89a741b1078f55
- https://git.kernel.org/stable/c/25760a41e3802f54aadcc31385543665ab349b8e
- https://git.kernel.org/stable/c/7c4260f8f188df32414a5ecad63e8b934c2aa3f0
- https://git.kernel.org/stable/c/b8bcff99b07cc175a6ee12a52db51cdd2229586c
- https://git.kernel.org/stable/c/ba95409d6b580501ff6d78efd00064f7df669926
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.78