GSD-2022-1004697 sfc: fix use after free when disabling sriov
A use-after-free vulnerability in the sfc network driver allows local attackers with high privileges to potentially execute code or escalate privileges when disabling SR-IOV.
- 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-2022-1004697?
GSD-2022-1004697 is an use after free 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
sfc: fix use after free when disabling sriov
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 v5.4.207 by commit bcad880865bfb421885364b1f0c7351280fe2b97, it was introduced in version v4.2 by commit 3c5eb87605e85146a78de589b5070a37862425db. For more details please see the references link.
Which versions are affected by GSD-2022-1004697?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004697?
No fix has been published for GSD-2022-1004697 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-2022-1004697 being exploited?
There is no known exploitation of GSD-2022-1004697 in the wild and no public exploit code.