SB2025100838 - Memory leak in Linux kernel iommu driver
Published: October 8, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100838
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) Memory leak (CVE-ID: CVE-2022-50525)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the fsl_pamu_probe() function in drivers/iommu/fsl_pamu.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/0d240ac0e4c35d3f64fc782c11433138c1bd016e
- https://git.kernel.org/stable/c/17fd440594961c5e2ea0f58591bc1bdba0629c75
- https://git.kernel.org/stable/c/73f5fc5f884ad0c5f7d57f66303af64f9f002526
- https://git.kernel.org/stable/c/9238b687fd62cde14c6e2e8576a40e4246de7ebe
- https://git.kernel.org/stable/c/9fbccdf2fefa3944dd8ba8c6a808b387787f3917
- https://git.kernel.org/stable/c/a305d0e4d0ce3166e31d7dbcb4c98b09cad6d49a
- https://git.kernel.org/stable/c/c93983230562883e0b5f122040efbb3d478c36d4
- https://git.kernel.org/stable/c/de7eb55009796687fc0a1670e0b944fa8ed54e9b
- https://git.kernel.org/stable/c/e42b543d08052c3b223bcfb48f05cbaf0b767f86
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.86