CVE-2023-53339
kernel: Linux kernel: Denial of Service in btrfs due to race condition
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 17, 2025
Updated · June 30, 2026
Description
A flaw was found in the Linux kernel. A local user could exploit a race condition within the btrfs filesystem's balance cancellation mechanism. This flaw occurs when a balance operation is simultaneously paused and canceled. Successful exploitation leads to a kernel panic, causing a Denial of Service (DoS) on the system.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-430 · Deployment of Wrong Handler