CVE-2025-71136 media: adv7842: Avoid possible out-of-bounds array accesses in adv7842_cp_log_status()
An attacker with local access can trigger out-of-bounds reads in the adv7842 media driver, potentially causing information disclosure or system crashes.
- 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-2025-71136?
CVE-2025-71136 is a high-severity memory corruption vulnerability in Linux kernel, published on 14 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:
media: adv7842: Avoid possible out-of-bounds array accesses in adv7842_cp_log_status()
It's possible for cp_read() and hdmi_read() to return -EIO. Those values are further used as indexes for accessing arrays.
Fix that by checking return values where it's needed.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Weakness: CWE-125
Which versions are affected by CVE-2025-71136?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-71136?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-71136 being exploited?
There is no known exploitation of CVE-2025-71136 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2025-71136, DEBIAN-CVE-2025-71136, GHSA-4vx6-qjmc-qf63, ROOT-OS-DEBIAN-11-CVE-2025-71136, ROOT-OS-DEBIAN-12-CVE-2025-71136, ROOT-OS-DEBIAN-13-CVE-2025-71136 and 3 more.