GSD-2023-1001847 wifi: brcmfmac: Check the count value of channel spec to prevent out-of-bounds reads
An out-of-bounds read in the brcmfmac WiFi driver allows attackers to cause denial of service or read sensitive memory.
- 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-2023-1001847?
GSD-2023-1001847 is a memory corruption vulnerability in Kernel, published on 13 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
wifi: brcmfmac: Check the count value of channel spec to prevent out-of-bounds reads
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 v6.1.11 by commit f06de1bb6d61f0c18b0213bbc6298960037f9d42. For more details please see the references link.
Which versions are affected by GSD-2023-1001847?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001847?
No fix has been published for GSD-2023-1001847 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2023-1001847 being exploited?
There is no known exploitation of GSD-2023-1001847 in the wild and no public exploit code.