#VU104557 NULL pointer dereference in Linux kernel - CVE-2022-49319
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104557
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-2022-49319
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 arm_smmu_device_probe() function in drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.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/54c1e0e3bbcab2abe25b2874a43050ae5df87831
- https://git.kernel.org/stable/c/54cf47da0c7532d151d76e5d63f5936191698c44
- https://git.kernel.org/stable/c/b131fa8c1d2afd05d0b7598621114674289c2fbb
- https://git.kernel.org/stable/c/db728a891f9177b044aaca89b678f6b5e24d5cc3
- https://git.kernel.org/stable/c/fb0f1c5eb8d60b3e018ba7c87da249b52674ebe6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.47