SB20250226375 - NULL pointer dereference in Linux kernel arm arm-smmu-v3 driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226375
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2022-49319)
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.
References
- 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