CVE-2022-49987

Summary

In the Linux kernel, the following vulnerability has been resolved:

md: call __md_stop_writes in md_stop

From the link [1], we can see raid1d was running even after the path raid_dtr -> md_stop -> __md_stop.

Let's stop write first in destructor to align with normal md-raid to fix the KASAN issue.

[1]. https://lore.kernel.org/linux-raid/CAPhsuW5gc4AakdGNdF8ubpezAuDLFOYUO_sfMZcec6hQFm8nhg@mail.gmail.com/T/#m7f12bf90481c02c6d2da68c64aeed4779b7df74a

Affected Software

VendorProductVersion RangeStatus
LinuxLinux48df498daf62e1292868005675331929305067f0 < 1678ca35b80a94d474fdc31e2497ce5d7ed52512affected
LinuxLinux48df498daf62e1292868005675331929305067f0 < 690b5c90fd2d81fd1d2b6110fa36783232f6dce2affected
LinuxLinux48df498daf62e1292868005675331929305067f0 < 8e7fb19f1a744fd34e982633ced756fee0498ef7affected
LinuxLinux48df498daf62e1292868005675331929305067f0 < a5a58fab556bfe618b4c9719eb85712d78c6cb10affected
LinuxLinux48df498daf62e1292868005675331929305067f0 < 661c01b2181d9413c799127f13143583b69f20fdaffected
LinuxLinux48df498daf62e1292868005675331929305067f0 < f42a9819ba84bed2e609a4dff56af37063dcabdcaffected
LinuxLinux48df498daf62e1292868005675331929305067f0 < 0dd84b319352bb8ba64752d4e45396d8b13e6018affected
LinuxLinux4.12affected
LinuxLinux0 < 4.12unaffected
LinuxLinux4.14.292 <= 4.14.*unaffected
LinuxLinux4.19.257 <= 4.19.*unaffected
LinuxLinux5.4.212 <= 5.4.*unaffected
LinuxLinux5.10.140 <= 5.10.*unaffected
LinuxLinux5.15.64 <= 5.15.*unaffected
LinuxLinux5.19.6 <= 5.19.*unaffected
LinuxLinux6.0 <= *unaffected

Weaknesses

References