CVE Catalog

CVE-2023-4389

HighCVSS 7.0
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.25%

16th percentile - higher than 16% of all known CVEs

Summary

A flaw was found in btrfs_get_root_ref in the btrfs filesystem in the Linux Kernel due to a double decrement of the reference count. This issue may allow a local attacker with user privilege to crash the system or may lead to leaked internal kernel information.

Risk Assessment

This vulnerability poses a risk of system crashes and potential leakage of sensitive kernel information, which can lead to serious security implications for the organization.

Recommendation

It is recommended to update the Linux kernel to the latest version to mitigate this vulnerability and to monitor systems for unauthorized activities.

Related vulnerabilities

Original NVD description (English source)

A flaw was found in btrfs_get_root_ref in fs/btrfs/disk-io.c in the btrfs filesystem in the Linux Kernel due to a double decrement of the reference count. This issue may allow a local attacker with user privilege to crash the system or may lead to leaked internal kernel information.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS