SB20250226377 - NULL pointer dereference in Linux kernel arm arm-smmu driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226377
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-2022-49323)
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/arm-smmu.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/3660db29b0305f9a1d95979c7af0f5db6ea99f5d
- https://git.kernel.org/stable/c/449fc4561762ad9ad85362d5f01f0d0df397457a
- https://git.kernel.org/stable/c/80776a71340f57d6a4952635fc89f0342072f3ca
- https://git.kernel.org/stable/c/98dd53a92825747395649f54d23512a13c3ed471
- https://git.kernel.org/stable/c/d9ed8af1dee37f181096631fb03729ece98ba816
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.122
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.47
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19