CVE-2022-49122

low-risk
Published 2025-02-26

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.

Do I need to act?

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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (9)

Patch 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
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal