CVE-2025-71190 dmaengine: bcm-sba-raid: fix device leak on probe
A memory leak in the Broadcom SBA RAID DMA driver can lead to resource exhaustion and denial of service.
- 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-2025-71190?
CVE-2025-71190 is a medium-severity denial of service vulnerability in Linux kernel, published on 31 Jan 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:
dmaengine: bcm-sba-raid: fix device leak on probe
Make sure to drop the reference taken when looking up the mailbox device during probe on probe failures and on driver unbind.
Weakness: CWE-401
Which versions are affected by CVE-2025-71190?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-71190?
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-2025-71190 being exploited?
There is no known exploitation of CVE-2025-71190 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-77178, BELL-CVE-2025-71190, DEBIAN-CVE-2025-71190, GHSA-5r9g-9rch-3q5c, ROOT-OS-DEBIAN-11-CVE-2025-71190, ROOT-OS-DEBIAN-12-CVE-2025-71190 and 4 more.