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CVE-2026-43395

kernel: drm/xe/sync: Cleanup partially initialized sync on parse failure

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · May 8, 2026

Updated · October 29, 2026

Description

A flaw was found in the Linux kernel's drm/xe/sync subsystem. When processing synchronization entries, the xe_sync_entry_parse() function may fail to properly clean up partially initialized resources. This improper handling of error paths can lead to a resource leak. A local attacker could potentially exploit this to cause resource exhaustion, resulting in a Denial of Service (DoS).

Statement

This Moderate flaw in the Linux kernel's drm/xe/sync subsystem could lead to a denial of service. The vulnerability arises from incomplete resource cleanup during synchronization entry parsing, potentially causing resource exhaustion. Exploitation requires local access to 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

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

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-459 · Incomplete Cleanup