GSD-2021-1002476 net/smc: Fix NULL pointer dereferencing in smc_vlan_by_tcpsk()
A NULL pointer dereference in the Linux Kernel SMC module allows remote attackers to cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1002476?
GSD-2021-1002476 is a vulnerability in Kernel, published on 19 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
net/smc: Fix NULL pointer dereferencing in smc_vlan_by_tcpsk()
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 v5.10.83 by commit c94cbd262b6aa3b54d73a1ed1f9c0d19df57f4ff, it was introduced in version v4.18 by commit cb9d43f6775457cac75544bc4197f26ac2b6f294. For more details please see the references link.
Which versions are affected by GSD-2021-1002476?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002476?
No fix has been published for GSD-2021-1002476 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002476 being exploited?
There is no known exploitation of GSD-2021-1002476 in the wild and no public exploit code.