What’s Vulnerable › Vulnerabilities

CVE-2022-49319: iommu/arm-smmu-v3: check return value after calling platform_get_resource()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-26 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3: check return value after calling platform_get_resource() It will cause null-ptr-deref if platform_get_resource() returns NULL, we need check the return value.

Affected products

• Linux kernel: before 5.10.122; from 5.11 before 5.15.47; from 5.16 before 5.17.15; from 5.18 before 5.18.4 — fixed in 5.10.122, 5.15.47, 5.17.15, 5.18.4

How to fix

Upgrade to a fixed version: Linux kernel 5.10.122, 5.15.47, 5.17.15, 5.18.4. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/54c1e0e3bbcab2abe25b2874a43050ae5df87831
• https://git.kernel.org/stable/c/54cf47da0c7532d151d76e5d63f5936191698c44
• https://git.kernel.org/stable/c/b131fa8c1d2afd05d0b7598621114674289c2fbb
• https://git.kernel.org/stable/c/db728a891f9177b044aaca89b678f6b5e24d5cc3
• https://git.kernel.org/stable/c/fb0f1c5eb8d60b3e018ba7c87da249b52674ebe6

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