CVE-2026-46143 ASoC: qcom: q6apm-lpass-dai: Fix multiple graph opens
A memory leak in the Qualcomm audio driver allows attackers to cause denial of service by triggering multiple graph opens.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-46143?
CVE-2026-46143 is a medium-severity denial of service vulnerability in Linux kernel, published on 28 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
ASoC: qcom: q6apm-lpass-dai: Fix multiple graph opens
As prepare can be called mulitple times, this can result in multiple graph opens for playback path.
This will result in a memory leaks, fix this by adding a check before opening.
Weakness: CWE-401
Which versions are affected by CVE-2026-46143?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-46143?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-46143 being exploited?
There is no known exploitation of CVE-2026-46143 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2026-46143, DEBIAN-CVE-2026-46143, GHSA-4pw5-f49h-h59g, ROOT-OS-DEBIAN-12-CVE-2026-46143, ROOT-OS-UBUNTU-2404-CVE-2026-46143, UBUNTU-CVE-2026-46143.