CVE-2026-64146: erofs: fix metabuf leak in inode xattr initialization
Published Jul 19, 2026
·Updated
erofs: fix metabuf leak in inode xattr initialization
Affected Software
6 affected components
Linux Linux kernel
Linux Linux kernel>=5.17<7.0.11
Linux Linux kernel=7.1-rc1
Linux Linux kernel=7.1-rc2
Linux Linux kernel=7.1-rc3
Linux Linux kernel=7.1-rc4
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch bb88e8da0025
Event History
Jul 19, 2026
CVE Published
via MITRE·03:40 PM
Data Sourced
via MITRE·03:40 PM
Description
Data Sourced
via NVD·04:17 PM
RemedyDescriptionSeverityWeaknessAffected Software
Jul 21, 2026
Data Sourced
via Microsoft·08:05 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2026-64146?
The severity of CVE-2026-64146 is rated at 15.
2
How do I fix CVE-2026-64146?
To fix CVE-2026-64146, update your Linux kernel to the patched version that includes the changes made in commit bb88e8da0025.
3
What systems are affected by CVE-2026-64146?
CVE-2026-64146 affects systems running vulnerable versions of the Linux kernel that utilize erofs for file systems.
4
What does CVE-2026-64146 address in the Linux kernel?
CVE-2026-64146 addresses a metabuf leak issue in the inode xattr initialization process in the Linux kernel.
5
When was CVE-2026-64146 published?
CVE-2026-64146 was published on July 19, 2026.