CVE-2025-22070: fs/9p: fix NULL pointer dereference on mkdir
Published Apr 16, 2025
·Updated
fs/9p: fix NULL pointer dereference on mkdir
Affected Software
10 affected components
Linux Linux kernel
Linux Linux kernel>=6.0<6.12.23
Linux Linux kernel>=6.13<6.13.11
Linux Linux kernel>=6.14<6.14.2
Microsoft azl3 kernel 6.6.117.1-1
Microsoft azl3 kernel 6.6.96.2-1
Microsoft azl3 kernel 6.6.112.1-2
Microsoft azl3 kernel 6.6.96.2-2
Microsoft azl3 kernel 6.6.104.2-4
Microsoft azl3 kernel 6.6.119.3-1
Remediation
Event History
Apr 16, 2025
CVE Published
via MITRE·02:12 PM
Data Sourced
via MITRE·02:12 PM
Description
Data Sourced
via NVD·03:16 PM
RemedyDescriptionSeverityWeaknessAffected Software
Sep 3, 2025
Data Sourced
via Microsoft·11:03 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·11:03 PM
Affected Software
Updated
via Microsoft·11:03 PM
DescriptionSeverity
Updated
via Microsoft·11:03 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2025-22070?
CVE-2025-22070 has a severity rating that indicates it can lead to a NULL pointer dereference in the Linux kernel.
2
How do I fix CVE-2025-22070?
To fix CVE-2025-22070, install the latest updates or patches for the Linux kernel that address this vulnerability.
3
What versions of the Linux kernel are affected by CVE-2025-22070?
CVE-2025-22070 affects specific versions of the Linux kernel when the 9p file system is used with the 'posixacl' option.
4
What impact does CVE-2025-22070 have on system stability?
CVE-2025-22070 can potentially cause system instability by triggering a NULL pointer dereference when creating directories.
5
Is CVE-2025-22070 related to file system security?
Yes, CVE-2025-22070 is related to file system security as it affects the 9p file system in the Linux kernel.