vulnerability
Ubuntu: (CVE-2023-4389): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:M/Au:S/C:C/I:C/A:C) | Aug 16, 2023 | Nov 19, 2024 | Sep 1, 2025 |
Severity
7
CVSS
(AV:L/AC:M/Au:S/C:C/I:C/A:C)
Published
Aug 16, 2023
Added
Nov 19, 2024
Modified
Sep 1, 2025
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.
Solutions
ubuntu-upgrade-linuxubuntu-upgrade-linux-awsubuntu-upgrade-linux-azureubuntu-upgrade-linux-azure-5-15ubuntu-upgrade-linux-gcpubuntu-upgrade-linux-gkeubuntu-upgrade-linux-hwe-5-15ubuntu-upgrade-linux-ibmubuntu-upgrade-linux-intel-iotgubuntu-upgrade-linux-intel-iotg-5-15ubuntu-upgrade-linux-kvmubuntu-upgrade-linux-lowlatencyubuntu-upgrade-linux-lowlatency-hwe-5-15ubuntu-upgrade-linux-oem-5-17ubuntu-upgrade-linux-oracleubuntu-upgrade-linux-raspiubuntu-upgrade-linux-realtime
References
- CVE-2023-4389
- https://attackerkb.com/topics/CVE-2023-4389
- CWE-415
- URL-https://access.redhat.com/security/cve/CVE-2023-4389
- URL-https://git.kernel.org/linus/168a2f776b9762f4021421008512dd7ab7474df1
- URL-https://patchwork.kernel.org/project/linux-btrfs/patch/[email protected]/
- URL-https://www.cve.org/CVERecord?id=CVE-2023-4389
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