VULNERABILITY INTELLIGENCE
CVE-2022-49426
CVSS score7.8 HIGH
EPSS probability0.29%
CISA KEVNot currently listed
Published2025-02-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-416