CVE-2025-68239: binfmt_misc: restore write access before closing files opened by open_exec()
Published Dec 16, 2025
·Updated
binfmtmisc: restore write access before closing files opened by openexec()
Affected Software
3 affected componentsFixes available
Event History
Dec 16, 2025
CVE Published
via MITRE·02:21 PM
Data Sourced
via MITRE·02:21 PM
Description
Data Sourced
via NVD·03:15 PM
Description
Dec 17, 2025
Data Sourced
via Microsoft·01:04 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·09:04 AM
DescriptionSeverity
Updated
via Microsoft·09:04 AM
Affected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-68239?
CVE-2025-68239 is classified as a medium severity vulnerability affecting the Linux kernel.
2
How do I fix CVE-2025-68239?
To fix CVE-2025-68239, update your Linux kernel to the latest stable version where the vulnerability has been resolved.
3
What types of systems are affected by CVE-2025-68239?
CVE-2025-68239 affects systems running Linux kernel versions that utilize the binfmt_misc feature.
4
What is the impact of CVE-2025-68239?
The impact of CVE-2025-68239 could allow unauthorized write access to files opened by open_exec(), leading to potential exploitation.
5
When was CVE-2025-68239 disclosed?
CVE-2025-68239 was disclosed as part of a series of updates to the Linux kernel addressing multiple vulnerabilities.