CVE-2026-53168: fuse: reject fuse_notify() pagecache ops on directories
Published Jun 25, 2026
·Updated
fuse: reject fusenotify() pagecache ops on directories
Affected Software
15 affected componentsFixes available
Linux Linux kernel
Microsoft azl3 kernel 6.6.141.1-1<6.6.143.1-1
6.6.143.1-1
Linux Linux kernel>=4.20<5.10.259
Linux Linux kernel>=5.11<5.15.210
Linux Linux kernel>=5.16<6.1.176
Linux Linux kernel>=6.2<6.6.143
Linux Linux kernel>=6.7<6.12.94
Linux Linux kernel>=6.13<6.18.36
Linux Linux kernel>=6.19<7.0.13
Linux Linux kernel=7.1-rc1
Linux Linux kernel=7.1-rc2
Linux Linux kernel=7.1-rc3
Linux Linux kernel=7.1-rc4
Linux Linux kernel=7.1-rc5
Linux Linux kernel=7.1-rc6
Remediation
Event History
Jun 25, 2026
CVE Published
via MITRE·08:38 AM
Data Sourced
via MITRE·08:38 AM
Description
Data Sourced
via NVD·09:16 AM
RemedyDescriptionSeverityAffected Software
Jun 27, 2026
Data Sourced
via Microsoft·08:13 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:13 AM
Affected Software
Updated
via Microsoft·08:13 AM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2026-53168?
The severity of CVE-2026-53168 is rated at risk level 27.
2
What impact does CVE-2026-53168 have on the Linux kernel?
CVE-2026-53168 allows the FUSE daemon to perform unauthorized read/write operations on the pagecache of directories.
3
How do I fix CVE-2026-53168?
To fix CVE-2026-53168, update to the patched version of the Linux kernel that addresses this vulnerability.
4
Who is affected by CVE-2026-53168?
Users of the Linux kernel with FOPEN_CACHE_DIR enabled for directories are affected by CVE-2026-53168.
5
When was CVE-2026-53168 published?
CVE-2026-53168 was published on June 25, 2026.