GSD-2021-1001779 can: peak_pci: peak_pci_remove(): fix UAF
A use-after-free vulnerability in the Linux kernel peak_pci CAN driver allows local attackers with high privileges to potentially execute code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1001779?
GSD-2021-1001779 is an use after free vulnerability in Kernel, published on 28 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
can: peak_pci: peak_pci_remove(): fix UAF
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 v4.9.288 by commit 447d44cd2f67a20b596ede3ca3cd67086dfd9ca9, it was introduced in version v3.4 by commit e6d9c80b7ca1504411ad6d7acdb8683e4ae1c9cd. For more details please see the references link.
Which versions are affected by GSD-2021-1001779?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001779?
No fix has been published for GSD-2021-1001779 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2021-1001779 being exploited?
There is no known exploitation of GSD-2021-1001779 in the wild and no public exploit code.