Improper resource shutdown or release in Linux kernel - CVE-2026-43179
Published: May 7, 2026
Vulnerability identifier: #VU130555
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-43179
CWE-ID: CWE-404
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper resource shutdown or release in the EROFS image handling logic when processing a crafted metabox-enabled image with metadata compression enabled. A local user can supply a specially crafted EROFS image to cause a denial of service.
The issue leads to folio reference leaks and does not cause system crashes or other severe issues.
Affected software
Linux kernel
How to mitigate CVE-2026-43179
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3