SB2025121038 - Memory leak in Linux kernel iommu driver
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025121038
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-2023-53801)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the sprd_iommu_domain_alloc() and sprd_iommu_hw_en() functions in drivers/iommu/sprd-iommu.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/8745f3592ee4a7b49ede16ddd3f12a41ecaa23c9
- https://git.kernel.org/stable/c/92c089a931fd3939cd32318cf4f54e69e8f51a19
- https://git.kernel.org/stable/c/9afea57384d4ae7b2034593eac7fa76c7122762a
- https://git.kernel.org/stable/c/d0a917fd5e3b3ed9d9306b4260ba684b982da9f3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4