GSD-2021-1001064 mptcp: fix soft lookup in subflow_error_report()
A soft lookup error in the Linux Kernel MPTCP subflow error reporting can lead to a null pointer dereference, causing a system crash.
- 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-2021-1001064?
GSD-2021-1001064 is a vulnerability in Kernel, published on 30 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
mptcp: fix soft lookup in subflow_error_report()
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 v5.12.13 by commit 27ef25c72373222aaa5fe7b5cd890ae9cfb89a8d, it was introduced in version v5.12 by commit 15cc10453398c22f78f6c2b897119ecce5e5dd89. For more details please see the references link.
Which versions are affected by GSD-2021-1001064?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001064?
No fix has been published for GSD-2021-1001064 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001064 being exploited?
There is no known exploitation of GSD-2021-1001064 in the wild and no public exploit code.