CVE-2021-47308 scsi: libfc: Fix array index out of bound exception
An out-of-bounds array index in the Linux kernel's libfc SCSI module can lead to memory corruption and potential denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-47308?
CVE-2021-47308 is a high-severity memory corruption vulnerability in Linux kernel, published on 21 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
scsi: libfc: Fix array index out of bound exception
Fix array index out of bound exception in fc_rport_prli_resp().
Weakness: CWE-125
Which versions are affected by CVE-2021-47308?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2021-47308?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-47308 being exploited?
There is no known exploitation of CVE-2021-47308 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2021-47308, GHSA-7r7x-qw92-2ffh, UBUNTU-CVE-2021-47308.