GSD-2021-1002286 iavf: free q_vectors before queues in iavf_disable_vf
A use-after-free vulnerability in the iavf driver's disable function can lead to system instability or crashes.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1002286?
GSD-2021-1002286 is an use after free vulnerability in Kernel, published on 29 Nov 2021.
Official description
iavf: free q_vectors before queues in iavf_disable_vf
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 v5.10.82 by commit 78638b47132244e3934dc5dc79f6372d5ce8e98c, it was introduced in version v4.13 by commit 65c7006f234c9ede887d468f595f259a5c5cc552. For more details please see the references link.
Which versions are affected by GSD-2021-1002286?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002286?
No fix has been published for GSD-2021-1002286 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-2021-1002286 being exploited?
There is no known exploitation of GSD-2021-1002286 in the wild and no public exploit code.