GSD-2022-1001309 can: m_can: m_can_tx_handler(): fix use after free of skb
A use-after-free vulnerability in the Linux Kernel m_can CAN driver allows local attackers to potentially execute code or cause a system crash.
- 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-2022-1001309?
GSD-2022-1001309 is an use after free vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
can: m_can: m_can_tx_handler(): fix use after free of skb
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 v5.17.2 by commit 31417073493f302d26ab66b3abc098d43227b835, it was introduced in version v3.18 by commit 80646733f11c2e9de3b6339f7e635047e6087280. For more details please see the references link.
Which versions are affected by GSD-2022-1001309?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001309?
No fix has been published for GSD-2022-1001309 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-2022-1001309 being exploited?
There is no known exploitation of GSD-2022-1001309 in the wild and no public exploit code.