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Tracker / CVE-2022-49122

CVE-2022-49122

Medium 5.5

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.

Affected products and versions

linux linux_kernel · … → 4.9.311
linux linux_kernel · 4.10 → 4.14.276
linux linux_kernel · 4.15 → 4.19.238
linux linux_kernel · 4.20 → 5.4.189
linux linux_kernel · 5.11 → 5.15.34
linux linux_kernel · 5.16 → 5.16.20
linux linux_kernel · 5.17 → 5.17.3
linux linux_kernel · 5.5 → 5.10.111

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References