CVE-2022-49673: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: dm raid: fix KASAN warning in raid5_add_disks There's a KASAN warning in raid5_add_disk when running the LVM testsuite. The warning happens in the test lvconvert-raid-reshape-linear_to_raid6-single-type.sh. We fix the warning by verifying that rdev->saved_raid_disk is within limits.

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CVSS v3.1 Score

5.5

MEDIUM

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

Affected Products

Vendor	Product	Versions
linux	linux_kernel	< 4.9.322
linux	linux_kernel	4.10 — 4.14.287
linux	linux_kernel	4.15 — 4.19.251
linux	linux_kernel	4.20 — 5.4.204
linux	linux_kernel	5.5 — 5.10.129
linux	linux_kernel	5.11 — 5.15.53
linux	linux_kernel	5.16 — 5.18.10
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/02cffb1921edadd9b6e4eee7ada4a5213e8ba12e https://git.kernel.org/stable/c/2d4e7c9898c20fb3d3f55381cab601761aab7d64 https://git.kernel.org/stable/c/2fb2928728038280bd925ce2aafb4997e9d47ee9 https://git.kernel.org/stable/c/3553a69bb52be2deba61d0ca064c41aee842bb35 https://git.kernel.org/stable/c/617b365872a247480e9dcd50a32c8d1806b21861 https://git.kernel.org/stable/c/d5b06039b195d4b6f94f5d345b1e4ac1975a9832 https://git.kernel.org/stable/c/d8bca518d5272fe349e0a722fdb9e3acb661f3f0 https://git.kernel.org/stable/c/f157bd9cf377a947fdb7035e69466b6ecdc17c17

Frequently Asked Questions

What is CVE-2022-49673? +

In the Linux kernel, the following vulnerability has been resolved: dm raid: fix KASAN warning in raid5_add_disks There's a KASAN warning in raid5_add_disk when running the LVM testsuite. The warning happens in the test lvconvert-raid-reshape-linear_to_raid6-single-type.sh. We fix the warning by verifying that rdev->saved_raid_disk is within limits. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49673? +

CVE-2022-49673 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2022-49673? +

CVE-2022-49673 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2022-49673? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2022-49673