#VU115519 Improper error handling in Linux kernel - CVE-2025-39739
Published: September 16, 2025
Vulnerability identifier: #VU115519
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-2025-39739
CWE-ID: CWE-388
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 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 repository.
External links
- 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