SB20250916259 - Improper error handling in Linux kernel arm arm-smmu driver
Published: September 16, 2025
Security Bulletin ID
SB20250916259
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) Improper error handling (CVE-ID: CVE-2025-39739)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the function in drivers/iommu/arm/arm-smmu/arm-smmu-qcom.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/3d470cf40c9265092eb33c3d3d9dc8bad452bcc2
- https://git.kernel.org/stable/c/a11b6ee7cab87c4d75e95ac9e7443155f7cecb55
- https://git.kernel.org/stable/c/c62963370627f3aa22d991e0a3e93f5d61ad9b08
- https://git.kernel.org/stable/c/e52bbaa209ebff3bf7a10c17ba7d3e1d3cb0fe61
- https://git.kernel.org/stable/c/f7fa8520f30373ce99c436c4d57c76befdacbef3