๐Ÿ” CVE Alert

CVE-2023-4389

HIGH 7.0

Kernel: btrfs: double free in btrfs_get_root_ref()

CVSS Score
7.0
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-415
Vendor n/a
Product kernel
Published Aug 16, 2023
Last Updated Oct 15, 2024
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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

n/a / Kernel
All versions affected
Red Hat / Red Hat Enterprise Linux 6
All versions affected
Red Hat / Red Hat Enterprise Linux 7
All versions affected
Red Hat / Red Hat Enterprise Linux 7
All versions affected
Red Hat / Red Hat Enterprise Linux 8
All versions affected
Red Hat / Red Hat Enterprise Linux 8
All versions affected
Red Hat / Red Hat Enterprise Linux 9
All versions affected
Red Hat / Red Hat Enterprise Linux 9
All versions affected
Fedora / Fedora
All versions affected

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
access.redhat.com: https://access.redhat.com/security/cve/CVE-2023-4389 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2219271 patchwork.kernel.org: https://patchwork.kernel.org/project/linux-btrfs/patch/[email protected]/