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CVE-2026-89591

kernel: accel/rocket: initialize job domain before cleanup paths

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 11, 2026

Updated · September 29, 2026

Description

A flaw was found in the Linux kernel's accel/rocket module. During error handling in the rocket_ioctl_submit_job() function, a cleanup routine may attempt to free a job->domain pointer that has not yet been initialized, leading to a NULL pointer dereference. A local attacker could exploit this vulnerability to trigger 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-476 · NULL Pointer Dereference