SB20250226445 - NULL pointer dereference in Linux kernel iommu driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226445
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-2022-49083)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the omap_iommu_probe_device() function in drivers/iommu/omap-iommu.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/1d89f2b9eadbcf3ce93c6d7238f68299a1f84968
- https://git.kernel.org/stable/c/47e239117bd97c8556f9187af7a9a7938db4e021
- https://git.kernel.org/stable/c/71ff461c3f41f6465434b9e980c01782763e7ad8
- https://git.kernel.org/stable/c/bd905fed87ce01ac010011bb8f44ed0140116ceb
- https://git.kernel.org/stable/c/ea518578aa8a9a0280605b53cc33f707e10c8178
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.20