dm: fix unlocked test for dm_suspended_md

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Summary

CVECVE-2026-46327
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-09 14:16:42 UTC
Updated2026-06-14 06:16:25 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

EPSS: 0.000120000 probability, percentile 0.017910000 (date 2026-06-14)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected f9c1bdf24615303d48a2d0fd629c88f3189563aa 175ac0a6115400278d3900f5a04a58b17b3f6cd0 git Not specified
CNA Linux Linux affected 37f53a2c60d03743e0eacf7a0c01c279776fef4e 7a3385e97af2b6f485fef11e82d8c29adee4be93 git Not specified
CNA Linux Linux affected 37f53a2c60d03743e0eacf7a0c01c279776fef4e d809a36692ee1394cac85ce6ba7cf8ea58da5812 git Not specified
CNA Linux Linux affected 37f53a2c60d03743e0eacf7a0c01c279776fef4e 24c405fdbe215c45e57bba672cc42859038491ee git Not specified
CNA Linux Linux affected d19bc1b4dd5f322980b1f05f79b2ea4f0db10920 git Not specified
CNA Linux Linux affected 6.12.34 6.12.75 semver Not specified
CNA Linux Linux affected 6.15.3 6.16 semver Not specified
CNA Linux Linux affected 6.16 Not specified
CNA Linux Linux unaffected 6.16 semver Not specified
CNA Linux Linux unaffected 6.12.75 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.14 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.4 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/175ac0a6115400278d3900f5a04a58b17b3f6cd0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/24c405fdbe215c45e57bba672cc42859038491ee 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/d809a36692ee1394cac85ce6ba7cf8ea58da5812 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/7a3385e97af2b6f485fef11e82d8c29adee4be93 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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