GSD-2022-1004327 spi: bcm2835: bcm2835_spi_handle_err(): fix NULL pointer deref for non DMA transfers
A NULL pointer dereference in the BCM2835 SPI driver can cause a kernel crash, leading to denial of service for local attackers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1004327?
GSD-2022-1004327 is a vulnerability in Kernel, published on 31 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
spi: bcm2835: bcm2835_spi_handle_err(): fix NULL pointer deref for non DMA transfers
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.58 by commit 58466e05390043d2805685c70f55f3f59711bdf2, it was introduced in version v5.4 by commit 1513ceee70f2bd523e025efe0c715328e1a43ffd. For more details please see the references link.
Which versions are affected by GSD-2022-1004327?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004327?
No fix has been published for GSD-2022-1004327 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004327 being exploited?
There is no known exploitation of GSD-2022-1004327 in the wild and no public exploit code.