CVE-2022-49426

High

Description

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3-sva: Fix mm use-after-free We currently call arm64_mm_context_put() without holding a reference to the mm, which can result in use-after-free. Call mmgrab()/mmdrop() to ensure the mm only gets freed after we unpinned the ASID.

SeverityHigh
CVSS7.8
Exploit probability—
ProductLinux Kernel
PublishedFeb 26, 2025
First seenFeb 26, 2025

How to fix

Update
  • linux linux_kernel5.15.46, 5.17.14, 5.18.3 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel5.11 ≤ v < 5.15.46, 5.16 ≤ v < 5.17.14, 5.18 ≤ v < 5.18.35.15.46, 5.17.14, 5.18.3

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