SMB3: Add missing locks to protect deferred close file list

Summary

CVECVE-2023-53990
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-12-24 11:15:51 UTC
Updated2026-08-04 10:19:24 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: SMB3: Add missing locks to protect deferred close file list cifs_del_deferred_close function has a critical section which modifies the deferred close file list. We must acquire deferred_lock before calling cifs_del_deferred_close function.

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: 0.001340000 probability, percentile 0.033130000 (date 2026-08-06)


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 860efae127888ae535bc4eda1b7f27642727c69e 0f87e18203bd30f71eb1a65259e28e291b6cc43a git Not specified
CNA Linux Linux affected ca08d0eac020d48a3141dbec0a3cf64fbdb17cde 3aa9d065b0685b4e6052f3f2a2462966fdc44fd2 git Not specified
CNA Linux Linux affected ca08d0eac020d48a3141dbec0a3cf64fbdb17cde cb36365dac25d546ca4af0eb22acb43c9b4ddfdf git Not specified
CNA Linux Linux affected ca08d0eac020d48a3141dbec0a3cf64fbdb17cde 32a046ccaeea6c19965c04a4c521e703f6607924 git Not specified
CNA Linux Linux affected ca08d0eac020d48a3141dbec0a3cf64fbdb17cde ab9ddc87a9055c4bebd6524d5d761d605d52e557 git Not specified
CNA Linux Linux affected 60b6d38add7b9c17d6e5d49ee8e930ea1a5650c5 git Not specified
CNA Linux Linux affected 5.15.63 5.15.111 semver Not specified
CNA Linux Linux affected 5.19.4 5.20 semver Not specified
CNA Linux Linux affected 6.0 Not specified
CNA Linux Linux unaffected 6.0 semver Not specified
CNA Linux Linux unaffected 5.15.111 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.28 6.1.* semver Not specified
CNA Linux Linux unaffected 6.2.15 6.2.* semver Not specified
CNA Linux Linux unaffected 6.3.2 6.3.* semver Not specified
CNA Linux Linux unaffected 6.4 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/3aa9d065b0685b4e6052f3f2a2462966fdc44fd2 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/cb36365dac25d546ca4af0eb22acb43c9b4ddfdf 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/32a046ccaeea6c19965c04a4c521e703f6607924 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ab9ddc87a9055c4bebd6524d5d761d605d52e557 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/0f87e18203bd30f71eb1a65259e28e291b6cc43a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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