What’s Vulnerable › Vulnerabilities

CVE-2024-42277: iommu: sprd: Avoid NULL deref in sprd_iommu_hw_en

• Severity: medium (CVSS 5.5 v3.1)
• 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: 2024-08-17 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: iommu: sprd: Avoid NULL deref in sprd_iommu_hw_en In sprd_iommu_cleanup() before calling function sprd_iommu_hw_en() dom->sdev is equal to NULL, which leads to null dereference. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Affected products

• Linux kernel: from 5.15.113 before 5.15.165; from 6.1.81 before 6.1.103; from 6.3.4 before 6.6.44; from 6.7 before 6.10.3 — fixed in 5.15.165, 6.1.103, 6.10.3, 6.6.44

How to fix

Upgrade to a fixed version: Linux kernel 5.15.165, 6.1.103, 6.10.3, 6.6.44. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/630482ee0653decf9e2482ac6181897eb6cde5b8
• https://git.kernel.org/stable/c/8c79ceb4ecf823e6ec10fee6febb0fca3de79922
• https://git.kernel.org/stable/c/b62841e49a2b7938f6fdeaaf93fb57e4eb880bdb
• https://git.kernel.org/stable/c/d5fe884ce28c5005f8582c35333c195a168f841c
• https://git.kernel.org/stable/c/dfe90030a0cfa26dca4cb6510de28920e5ad22fb
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

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