CVE-2022-49122

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected software

VendorProductVersions
LinuxLinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 76c94651005f58885facf9c973007f5ea01ab01f; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 58880025e3362024f6d8ea01cb0c7a5df6c84ba6; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 7ae2c5b89da3cfaf856df880af27d3bb32a74b3d; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 0320bac5801b31407200227173205d017488f140; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 71c8df33fd777c7628f6fbc09b14e84806c55914; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 02cc46f397eb3691c56affbd5073e54f7a82ac32; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 44e6cb3ab177faae840bb2c1ebda9a2539876184; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < dd86064417de828ff2102ddc6049c829bf7585b4; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < cd9c88da171a62c4b0f1c70e50c75845969fbc18
LinuxLinux2.6.12

References

Timeline

Published
Feb 26, 2025
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2022-49122: Medium severity, CVSS 5.5 | Vulnix