erofs: fix incorrect early exits for invalid metabox-enabled images

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Summary

CVECVE-2026-43179
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-06 12:16:36 UTC
Updated2026-05-12 19:48:29 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: erofs: fix incorrect early exits for invalid metabox-enabled images Crafted EROFS images with metadata compression enabled can trigger incorrect early returns, leading to folio reference leaks. However, this does not cause system crashes or other severe issues.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

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

Problem Types: NVD-CWE-noinfo

CVSS v3.1 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 414091322c6363c9283aeb177101e4d7a3819ccd 041b5163bb9b2e81050bcd885b3373bf2f42d5f5 git Not specified
CNA Linux Linux affected 414091322c6363c9283aeb177101e4d7a3819ccd 56e4a84220045b6af0f1efc11825b39217c7decf git Not specified
CNA Linux Linux affected 414091322c6363c9283aeb177101e4d7a3819ccd 643575d5a4f24b23b0c54aa20aa74a4abed8ff5e git Not specified
CNA Linux Linux affected 6.17 Not specified
CNA Linux Linux unaffected 6.17 semver Not specified
CNA Linux Linux unaffected 6.18.16 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.6 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/041b5163bb9b2e81050bcd885b3373bf2f42d5f5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/56e4a84220045b6af0f1efc11825b39217c7decf 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/643575d5a4f24b23b0c54aa20aa74a4abed8ff5e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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