CVE-2022-49426

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.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/9aa215450888cf29af0c479e14a712dc6b0c506c	Patch
https://git.kernel.org/stable/c/cbd23144f7662b00bcde32a938c4a4057e476d68	Patch
https://git.kernel.org/stable/c/e3cbbdbff8a4db5d053c53fd71be62ccccdb52b0	Patch
https://git.kernel.org/stable/c/fc90f13ea0dcd960e5002d204fa55cec4e0db2fa	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

No history.

Information

Published : 2025-02-26 07:01

Updated : 2025-03-24 19:58

NVD link : CVE-2022-49426

Mitre link : CVE-2022-49426

CVE.ORG link : CVE-2022-49426

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-416

Use After Free

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