GSD-2021-1001322 net: qcom/emac: fix UAF in emac_remove
A use-after-free vulnerability in the Qualcomm EMAC network 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-2021-1001322?
GSD-2021-1001322 is an use after free vulnerability in Kernel, published on 3 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net: qcom/emac: fix UAF in emac_remove
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 v5.4.135 by commit 2b70ca92847c619d6264c7372ef74fcbfd1e048c, it was introduced in version v4.9 by commit 54e19bc74f3380d414681762ceed9f7245bc6a6e. For more details please see the references link.
Which versions are affected by GSD-2021-1001322?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001322?
No fix has been published for GSD-2021-1001322 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-2021-1001322 being exploited?
There is no known exploitation of GSD-2021-1001322 in the wild and no public exploit code.