CVEvulnerability
CVE-2023-4389
7.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-08-16
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 7.1 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- Weaknesses
- CWE-415
Description
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.
Affected configurations
• linux linux kernel (>= 5.7 < 5.10.112)
• linux linux kernel (>= 5.11 < 5.15.35)
• linux linux kernel (>= 5.16 < 5.17.4)
Related
Weakness · CWE (1)
- CWE-415 Double Free weakness
References
- https://access.redhat.com/security/cve/CVE-2023-4389 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2219271 Issue Tracking, Third Party Advisory
- https://patchwork.kernel.org/project/linux-btrfs/patch/[email protected]/ Patch, Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2023-4389 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2219271 Issue Tracking, Third Party Advisory
- https://patchwork.kernel.org/project/linux-btrfs/patch/[email protected]/ Patch, Vendor Advisory