CVE-2026-98949

kernel: kernel: drm/imagination: Denial of Service via improper virtual memory remapping

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Severity

Low

Red Hat Product Security

3.3

CVSS 3.1

Review impact separately from score.

Published · October 23, 2026

Updated · October 29, 2026

Description

A flaw was found in the Linux kernel's Imagination PowerVR graphics driver. When splitting overlapping virtual memory mappings, the driver fails to release memory references and improperly links buffer objects. A local user can exploit this vulnerability by submitting crafted memory mapping requests, potentially causing a Denial of Service (DoS) due to memory exhaustion and system instability.

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 · 3.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CWE-911 · Improper Update of Reference Count