CVE-2026-45934: btrfs: fix EEXIST abort due to non-consecutive gaps in chunk allocation
Published May 27, 2026
·Updated
btrfs: fix EEXIST abort due to non-consecutive gaps in chunk allocation
Affected Software
11 affected components
Linux Linux kernel (btrfs)
Linux Linux kernel>=4.1.1<6.18.14
Linux Linux kernel>=6.19<6.19.4
Linux Linux kernel=4.1
Linux Linux kernel=4.1-rc2
Linux Linux kernel=4.1-rc3
Linux Linux kernel=4.1-rc4
Linux Linux kernel=4.1-rc5
Linux Linux kernel=4.1-rc6
Linux Linux kernel=4.1-rc7
Linux Linux kernel=4.1-rc8
Event History
May 27, 2026
CVE Published
via MITRE·12:17 PM
Data Sourced
via MITRE·12:17 PM
Description
Data Sourced
via NVD·02:17 PM
RemedyDescriptionSeverityAffected Software
May 28, 2026
Data Sourced
via Microsoft·08:11 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2026-45934?
The severity of CVE-2026-45934 is medium with a CVSS score of 5.5.
2
What impact does CVE-2026-45934 have on affected systems?
CVE-2026-45934 can lead to system aborts during chunk allocation in btrfs due to non-consecutive gaps.
3
How do I fix CVE-2026-45934?
To address CVE-2026-45934, users should update their Linux kernel to the latest version where the vulnerability has been resolved.
4
Which software versions are affected by CVE-2026-45934?
CVE-2026-45934 affects systems running the Linux kernel with btrfs filesystems.
5
When was CVE-2026-45934 published?
CVE-2026-45934 was published on May 27, 2026.