What’s Vulnerable › Vulnerabilities

CVE-2022-49673: dm raid: fix KASAN warning in raid5_add_disks

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-26 · updated 2026-06-17

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.

Affected products

• Linux kernel: before 4.9.322; from 4.10 before 4.14.287; from 4.15 before 4.19.251; from 4.20 before 5.4.204; from 5.5 before 5.10.129; from 5.11 before 5.15.53 — fixed in 4.14.287, 4.19.251, 4.9.322, 5.10.129, 5.15.53, 5.18.10

How to fix

Upgrade to a fixed version: Linux kernel 4.14.287, 4.19.251, 4.9.322, 5.10.129. Check the vendor advisory for mitigations.

References

• 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

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