CVE-2023-53766
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-12-08

Last updated on: 2025-12-08

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Check for read-only mounted filesystem in txBegin This patch adds a check for read-only mounted filesystem in txBegin before starting a transaction potentially saving from NULL pointer deref.
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Meta Information
Published
2025-12-08
Last Modified
2025-12-08
Generated
2026-05-07
AI Q&A
2025-12-08
EPSS Evaluated
2026-05-05
NVD
CVE-2023-53766
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability in the Linux kernel's JFS filesystem occurs because there was no check for whether the filesystem was mounted as read-only before starting a transaction in the txBegin function. Without this check, attempting to start a transaction on a read-only filesystem could lead to a NULL pointer dereference, causing potential crashes or instability. The patch fixes this by adding the necessary check to prevent such issues.


How can this vulnerability impact me? :

This vulnerability can cause the Linux kernel to crash or become unstable when the JFS filesystem is mounted as read-only and a transaction is attempted. This could lead to system downtime or data access issues, impacting system reliability and availability.


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