GSD-2022-1001196 mptcp: Fix crash due to tcp_tsorted_anchor was initialized before release skb
A null pointer dereference in the Linux Kernel MPTCP subsystem allows remote attackers to cause 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-2022-1001196?
GSD-2022-1001196 is a vulnerability in Kernel, published on 24 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
mptcp: Fix crash due to tcp_tsorted_anchor was initialized before release skb
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 v5.17.2 by commit 4d54181eba4b077fb74033a7186898ad4000a7a5, it was introduced in version v5.16 by commit f70cad1085d1e01d3ec73c1078405f906237feee. For more details please see the references link.
Which versions are affected by GSD-2022-1001196?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001196?
No fix has been published for GSD-2022-1001196 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1001196 being exploited?
There is no known exploitation of GSD-2022-1001196 in the wild and no public exploit code.