CVE-2026-46327 is a vulnerability in Linux Kernel
Published on June 9, 2026
dm: fix unlocked test for dm_suspended_md
In the Linux kernel, the following vulnerability has been resolved:
dm: fix unlocked test for dm_suspended_md
The function dm_blk_report_zones tests if the device is suspended with
the "dm_suspended_md" call. However, this function is called without
holding any locks, so the device may be suspended just after it.
Move the call to dm_suspended_md after dm_get_live_table, so that the
device can't be suspended after the suspended state was tested.
Products Associated with CVE-2026-46327
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Affected Versions
Linux:- Version f9c1bdf24615303d48a2d0fd629c88f3189563aa and below 175ac0a6115400278d3900f5a04a58b17b3f6cd0 is affected.
- Version 37f53a2c60d03743e0eacf7a0c01c279776fef4e and below 7a3385e97af2b6f485fef11e82d8c29adee4be93 is affected.
- Version 37f53a2c60d03743e0eacf7a0c01c279776fef4e and below d809a36692ee1394cac85ce6ba7cf8ea58da5812 is affected.
- Version 37f53a2c60d03743e0eacf7a0c01c279776fef4e and below 24c405fdbe215c45e57bba672cc42859038491ee is affected.
- Version d19bc1b4dd5f322980b1f05f79b2ea4f0db10920 is affected.
- Version 6.12.34 and below 6.12.75 is affected.
- Version 6.15.3 and below 6.16 is affected.
- Version 6.16 is affected.
- Before 6.16 is unaffected.
- Version 6.12.75, <= 6.12.* is unaffected.
- Version 6.18.14, <= 6.18.* is unaffected.
- Version 6.19.4, <= 6.19.* is unaffected.
- Version 7.0, <= * is unaffected.