CVE-2026-72077

kernel: Input: ims-pcu - fix firmware leak in async update

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · August 15, 2026

Updated · August 18, 2026

Description

A flaw was found in the Linux kernel's ims-pcu input driver. This vulnerability occurs when the firmware object is not properly released if validation fails during an asynchronous update. This oversight can lead to a firmware leak, potentially exposing sensitive information or system resources. The issue is resolved by ensuring the firmware is always released using __free(firmware).

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-772 · Missing Release of Resource after Effective Lifetime