2024-11-20
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This CVE details a vulnerability in the nilfs2 filesystem of the Linux kernel. The superblock buffer, which can be modified at runtime, is accessed by some sysfs functions without proper synchronization. This lack of synchronization could lead to pointer dereferencing and memory access issues, potentially causing a system crash.
Vulnerability Details:
Platform: Linux Kernel
Version: Not specified (likely affects multiple versions)
Vulnerability: Improper synchronization when accessing superblock buffer
Severity: Moderate (CVSS v3 base score: 5.5)
Date: September 18, 2024 (published), November 20, 2024 (last modified)
What Undercode Says:
This CVE (Common Vulnerabilities and Exposures) identified a flaw in the nilfs2 filesystem of the Linux kernel. The issue lies in how certain system functions (sysfs) access the superblock buffer, which can be modified during runtime operations. Without proper synchronization, this access can lead to unexpected behavior and potentially crash the system.
Here are some key takeaways:
This vulnerability affects systems using the nilfs2 filesystem.
An attacker with local access could potentially exploit this flaw.
The severity is rated moderate, indicating a potential for system instability.
Kernel updates addressing this issue are likely available from your Linux distribution provider.
Recommendations:
Update your Linux kernel to a patched version as soon as possible.
If you are unsure about your kernel version or how to update it, consult your distribution’s documentation.
Please note: This information is for educational purposes only. It is recommended to consult with a security professional for specific guidance on mitigating this vulnerability.
References:
Reported By: Nvd.nist.gov
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