CVE-2024-27028 spi: spi-mt65xx: Fix NULL pointer access in interrupt handler
A null pointer dereference in the MediaTek SPI driver interrupt handler can cause a system crash, requiring a kernel patch.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-27028?
CVE-2024-27028 is a medium-severity vulnerability in Debian Debian Linux, published on 1 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
spi: spi-mt65xx: Fix NULL pointer access in interrupt handler
The TX buffer in spi_transfer can be a NULL pointer, so the interrupt handler may end up writing to the invalid memory and cause crashes.
Add a check to trans->tx_buf before using it.
Weakness: CWE-476
Which versions are affected by CVE-2024-27028?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2024-27028?
Apply the vendor's patch.
Is CVE-2024-27028 being exploited?
There is no known exploitation of CVE-2024-27028 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BELL-CVE-2024-27028, DEBIAN-CVE-2024-27028, GHSA-8m6j-grc9-4wwv, UBUNTU-CVE-2024-27028.