CVE-2020-12654 Memory corruption in n/a
A remote attacker can trigger a heap-based buffer overflow in the Marvell mwifiex driver via a malicious access point, potentially leading to code execution or system crash.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-12654?
CVE-2020-12654 is a high-severity memory corruption vulnerability in Linux kernel, published on 5 May 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
An issue was found in Linux kernel before 5.5.4. mwifiex_ret_wmm_get_status() in drivers/net/wireless/marvell/mwifiex/wmm.c allows a remote AP to trigger a heap-based buffer overflow because of an incorrect memcpy, aka CID-3a9b153c5591.
Weakness: CWE-787
Which versions are affected by CVE-2020-12654?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2020-12654?
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-2020-12654 being exploited?
There is no known exploitation of CVE-2020-12654 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2020-12654, GHSA-r2mg-x3w3-w45q, UBUNTU-CVE-2020-12654.