CVE-2026-43154
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EROFS Volume Label Handling Folio Reference Leak

Publication date: 2026-05-06

Last updated on: 2026-05-06

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: erofs: fix incorrect early exits in volume label handling Crafted EROFS images containing valid volume labels can trigger incorrect early returns, leading to folio reference leaks. However, this does not cause system crashes or other severe issues.
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Meta Information
Published
2026-05-06
Last Modified
2026-05-06
Generated
2026-06-16
AI Q&A
2026-05-06
EPSS Evaluated
2026-06-15
NVD
CVE-2026-43154
EUVD
EUVD-2026-27717
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux_kernel erofs *
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Exploitability
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CWE ID Description
CWE-UNKNOWN
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Compliance Impact

The vulnerability involves folio reference leaks due to incorrect early returns in volume label handling of EROFS images in the Linux kernel. However, it does not cause system crashes or other severe issues.

There is no information provided about any impact on compliance with common standards and regulations such as GDPR or HIPAA.

Executive Summary

This vulnerability exists in the Linux kernel's EROFS (Enhanced Read-Only File System) implementation. It involves incorrect early exits during the handling of volume labels in EROFS images.

Specifically, crafted EROFS images that contain valid volume labels can trigger these incorrect early returns, which lead to folio reference leaks.

Impact Analysis

The folio reference leaks caused by this vulnerability do not result in system crashes or other severe issues.

Therefore, while there is a resource leak, the impact on system stability or security is limited.

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