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CVE-2022-49426

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CVE-2022-49426

Published: Feb 26, 2025

Modified: May 11, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
32784a9562fb0518b12e9797ee2aec52214adf6f - < fc90f13ea0dcd960e5002d204fa55cec4e0db2fa
affected
32784a9562fb0518b12e9797ee2aec52214adf6f - < e3cbbdbff8a4db5d053c53fd71be62ccccdb52b0
affected
32784a9562fb0518b12e9797ee2aec52214adf6f - < 9aa215450888cf29af0c479e14a712dc6b0c506c
affected
32784a9562fb0518b12e9797ee2aec52214adf6f - < cbd23144f7662b00bcde32a938c4a4057e476d68

Linux

Linux

affected
5.11
unaffected
0 - < 5.11
unaffected
5.15.46 - <= 5.15.*
unaffected
5.17.14 - <= 5.17.*
unaffected
5.18.3 - <= 5.18.*

+1 more versions

References

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