Vulnerabilities > CVE-2023-4389 - Double Free vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://access.redhat.com/security/cve/CVE-2023-4389
- https://access.redhat.com/security/cve/CVE-2023-4389
- https://bugzilla.redhat.com/show_bug.cgi?id=2219271
- https://bugzilla.redhat.com/show_bug.cgi?id=2219271
- https://patchwork.kernel.org/project/linux-btrfs/patch/[email protected]/
- https://patchwork.kernel.org/project/linux-btrfs/patch/[email protected]/