CVE-2025-68299

kernel: Linux kernel: Denial of Service in AFS due to delayed key allocation

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · December 16, 2025

Updated · June 30, 2026

Description

A flaw was found in the Linux kernel. A local user could trigger this by mounting a specially crafted AFS (Andrew File System) device name. The flaw occurs due to a delayed allocation of a cell's anonymous key during cell setup. This can lead to a system crash, resulting in a Denial of Service (DoS).

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 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-366 · Race Condition within a Thread