Linux Kernel up to 6.18.15/6.19.5 EROFS Image denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Linux Kernel up to 6.18.15/6.19.5. This affects an unknown part of the component EROFS Image Handler. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2026-43179. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 6.18.15/6.19.5 and classified as critical. This vulnerability affects an unknown part of the component EROFS Image Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

In 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.

The advisory is available at git.kernel.org. This vulnerability was named CVE-2026-43179 since 05/01/2026. The technical details are unknown and an exploit is not available.

Upgrading to version 6.18.16 or 6.19.6 eliminates this vulnerability. Applying the patch 041b5163bb9b2e81050bcd885b3373bf2f42d5f5/56e4a84220045b6af0f1efc11825b39217c7decf/643575d5a4f24b23b0c54aa20aa74a4abed8ff5e is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 6.18.16/6.19.6
Patch: 041b5163bb9b2e81050bcd885b3373bf2f42d5f5/56e4a84220045b6af0f1efc11825b39217c7decf/643575d5a4f24b23b0c54aa20aa74a4abed8ff5e

Timelineinfo

05/01/2026 CVE reserved
05/06/2026 +5 days Advisory disclosed
05/06/2026 +0 days VulDB entry created
05/06/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-43179 (🔒)
GCVE (CVE): GCVE-0-2026-43179
GCVE (VulDB): GCVE-100-361462

Entryinfo

Created: 05/06/2026 16:49
Changes: 05/06/2026 16:49 (58)
Complete: 🔍
Cache ID: 216::103

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