GSD-2022-1004049 tcp: tcp_rtx_synack() can be called from process context
A kernel bug in TCP SYN-ACK retransmission handling from process context can lead to system instability or crashes.
- 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-2022-1004049?
GSD-2022-1004049 is a vulnerability in Kernel, published on 28 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
tcp: tcp_rtx_synack() can be called from process context
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 v4.9.318 by commit 3db889f883e65bbd3b1401279bfc1e9ed255c481, it was introduced in version v3.7 by commit 168a8f58059a22feb9e9a2dcc1b8053dbbbc12ef. For more details please see the references link.
Which versions are affected by GSD-2022-1004049?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004049?
No fix has been published for GSD-2022-1004049 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004049 being exploited?
There is no known exploitation of GSD-2022-1004049 in the wild and no public exploit code.