udf: Detect system inodes linked into directory hierarchy

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2023-53695
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-10-22 14:15:44 UTC
Updated2026-08-04 10:19:18 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: udf: Detect system inodes linked into directory hierarchy When UDF filesystem is corrupted, hidden system inodes can be linked into directory hierarchy which is an avenue for further serious corruption of the filesystem and kernel confusion as noticed by syzbot fuzzed images. Refuse to access system inodes linked into directory hierarchy and vice versa.

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: 0.001550000 probability, percentile 0.051360000 (date 2026-08-05)

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 6174c2eb8ecef271159bdcde460ce8af54d8f72f 1dc71eeb198a8daa17d0c995998a53b0b749a158 git Not specified
CNA Linux Linux affected 6174c2eb8ecef271159bdcde460ce8af54d8f72f d747b31e2925a2f384e7dd1901a2e5bc5f984ed8 git Not specified
CNA Linux Linux affected 6174c2eb8ecef271159bdcde460ce8af54d8f72f a44ec34b90440ada190924f5908b97026504fdcd git Not specified
CNA Linux Linux affected 6174c2eb8ecef271159bdcde460ce8af54d8f72f 37e74003d81e79457535cbbdfa1603431c03fac0 git Not specified
CNA Linux Linux affected 6174c2eb8ecef271159bdcde460ce8af54d8f72f 1f328751b65c49c13a312d67a3bf27766b85baf7 git Not specified
CNA Linux Linux affected 6174c2eb8ecef271159bdcde460ce8af54d8f72f 9e3b5ef7d02eaa6553e79b4af9bd99227280f245 git Not specified
CNA Linux Linux affected 6174c2eb8ecef271159bdcde460ce8af54d8f72f 85a37983ec69cc9fcd188bc37c4de15ee326355a git Not specified
CNA Linux Linux affected 801c7a20d255e300ab51a6fcb1d0e218d136b16f git Not specified
CNA Linux Linux affected 3.17.2 3.18 semver Not specified
CNA Linux Linux affected 3.18 Not specified
CNA Linux Linux unaffected 3.18 semver Not specified
CNA Linux Linux unaffected 4.19.278 4.19.* semver Not specified
CNA Linux Linux unaffected 5.4.235 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.173 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.99 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.16 6.1.* semver Not specified
CNA Linux Linux unaffected 6.2.3 6.2.* semver Not specified
CNA Linux Linux unaffected 6.3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/9e3b5ef7d02eaa6553e79b4af9bd99227280f245 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/85a37983ec69cc9fcd188bc37c4de15ee326355a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/37e74003d81e79457535cbbdfa1603431c03fac0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/d747b31e2925a2f384e7dd1901a2e5bc5f984ed8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/1f328751b65c49c13a312d67a3bf27766b85baf7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/a44ec34b90440ada190924f5908b97026504fdcd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/1dc71eeb198a8daa17d0c995998a53b0b749a158 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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