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.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2025-12-08
Last Modified
2025-12-08
Generated
2026-06-16
AI Q&A
2025-12-08
EPSS Evaluated
2026-06-15
NVD
CVE-2023-53766
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

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.

Impact Analysis

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.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2023-53766. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart