What’s Vulnerable › Vulnerabilities

CVE-2023-53801: iommu/sprd: Release dma buffer to avoid memory leak

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-09 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: iommu/sprd: Release dma buffer to avoid memory leak When attaching to a domain, the driver would alloc a DMA buffer which is used to store address mapping table, and it need to be released when the IOMMU domain is freed.

Affected products

• Linux kernel: 5.13 — fixed in 6.4

How to fix

Upgrade to a fixed version: Linux kernel 6.4. Check the vendor advisory for mitigations.

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

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