SB20250619186 - Use-after-free in Linux kernel iommu driver
Published: June 19, 2025
Security Bulletin ID
SB20250619186
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use-after-free (CVE-ID: CVE-2025-38062)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the iommu_dma_prepare_msi() function in drivers/iommu/dma-iommu.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1f7df3a691740a7736bbc99dc4ed536120eb4746
- https://git.kernel.org/stable/c/53f42776e435f63e5f8e61955e4c205dbfeaf524
- https://git.kernel.org/stable/c/856152eb91e67858a09e30a7149a1f29b04b7384
- https://git.kernel.org/stable/c/ba41e4e627db51d914444aee0b93eb67f31fa330
- https://git.kernel.org/stable/c/e4d3763223c7b72ded53425207075e7453b4e3d5