dm: fix resume-vs-remove race

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-89997
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-16 11:17:10 UTC
Updated2026-09-17 10:17:05 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: dm: fix resume-vs-remove race If the user issues the resume ioctl and the remove ioctl at the same time, it may be possible that the device is resumed after it is suspended in __dm_destroy. The result is that the table is destroyed without calling the postsuspend method. Dm targets expect that they may be removed only after the postsuspend method method was called. If we break this expectation, it can cause misbehavior in various targets. For example - in the dm-integrity target, the reboot notifier is not unregistered, leading to use-after-free. Fix this bug by refusing to resume if the device is being destroyed.

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

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 3f77316de0ec0fd208467fbee8d9edc70e2c73b2 9757367bcf1d5d2c50b94d005abca21f3eedd7c3 git Not specified
CNA Linux Linux affected 3f77316de0ec0fd208467fbee8d9edc70e2c73b2 1ede2bce2bd640605df83db1356fd727159bc9ed git Not specified
CNA Linux Linux affected 3f77316de0ec0fd208467fbee8d9edc70e2c73b2 3f04e6520d9a53adb1d1daf4dc5d31a60fc77d1f git Not specified
CNA Linux Linux affected 3f77316de0ec0fd208467fbee8d9edc70e2c73b2 94f3d399c1ddba763c1c5a6501f7375d533d789f git Not specified
CNA Linux Linux affected 3f77316de0ec0fd208467fbee8d9edc70e2c73b2 3b59530b14fde693e41d8e39bc326df6cbf07b76 git Not specified
CNA Linux Linux affected 3f77316de0ec0fd208467fbee8d9edc70e2c73b2 36177beff2a9df035991ad8d16ccf8d363ed93ee git Not specified
CNA Linux Linux affected 3f77316de0ec0fd208467fbee8d9edc70e2c73b2 94380ecd5ff9b2a2b9f6e8a0b5c465159ccfaf71 git Not specified
CNA Linux Linux affected 3f77316de0ec0fd208467fbee8d9edc70e2c73b2 44b43ec132f1cf3275ecc182d0c82f50c3c4c3d5 git Not specified
CNA Linux Linux affected 305b06f7334dd43bc952b525d7232f4cae7c3818 git Not specified
CNA Linux Linux affected 2.6.35.4 2.6.36 semver Not specified
CNA Linux Linux affected 2.6.36 Not specified
CNA Linux Linux unaffected 2.6.36 semver Not specified
CNA Linux Linux unaffected 5.10.270 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.221 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.188 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.157 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.110 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.51 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.5 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/3b59530b14fde693e41d8e39bc326df6cbf07b76 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/44b43ec132f1cf3275ecc182d0c82f50c3c4c3d5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/36177beff2a9df035991ad8d16ccf8d363ed93ee 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/94f3d399c1ddba763c1c5a6501f7375d533d789f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/1ede2bce2bd640605df83db1356fd727159bc9ed 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/9757367bcf1d5d2c50b94d005abca21f3eedd7c3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3f04e6520d9a53adb1d1daf4dc5d31a60fc77d1f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/94380ecd5ff9b2a2b9f6e8a0b5c465159ccfaf71 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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