CVE-2022-49122

In the Linux kernel, the following vulnerability has been resolved: dm ioctl: prevent potential spectre v1 gadget It appears like cmd could be a Spectre v1 gadget as it's supplied by a user and used as an array index. Prevent the contents of kernel memory from being leaked to userspace via speculative execution by using array_index_nospec.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/02cc46f397eb3691c56affbd5073e54f7a82ac32	Patch
https://git.kernel.org/stable/c/0320bac5801b31407200227173205d017488f140	Patch
https://git.kernel.org/stable/c/44e6cb3ab177faae840bb2c1ebda9a2539876184	Patch
https://git.kernel.org/stable/c/58880025e3362024f6d8ea01cb0c7a5df6c84ba6	Patch
https://git.kernel.org/stable/c/71c8df33fd777c7628f6fbc09b14e84806c55914	Patch
https://git.kernel.org/stable/c/76c94651005f58885facf9c973007f5ea01ab01f	Patch
https://git.kernel.org/stable/c/7ae2c5b89da3cfaf856df880af27d3bb32a74b3d	Patch
https://git.kernel.org/stable/c/cd9c88da171a62c4b0f1c70e50c75845969fbc18	Patch
https://git.kernel.org/stable/c/dd86064417de828ff2102ddc6049c829bf7585b4	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::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	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 07:00

Updated : 2025-10-14 19:56

NVD link : CVE-2022-49122

Mitre link : CVE-2022-49122

CVE.ORG link : CVE-2022-49122

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

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