CVE-2026-43135
kernel: media: cx23885: Add missing unmap in snd_cx23885_hw_params()
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 6, 2026
Updated · October 2, 2026
Description
A flaw was found in the Linux kernel's cx23885 media driver. Specifically, the snd_cx23885_hw_params() function does not properly unmap resources when an error occurs. A local user could exploit this by repeatedly triggering the error path, leading to unreleased resources. This resource exhaustion can ultimately cause a Denial of Service (DoS) on 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
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS: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