GSD-2022-1004849 tcp: Fix a data-race around sysctl_tcp_notsent_lowat.
A data race in the Linux kernel TCP subsystem can lead to undefined behavior, potentially causing 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-2022-1004849?
GSD-2022-1004849 is a vulnerability in Kernel, published on 31 Jul 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
tcp: Fix a data-race around sysctl_tcp_notsent_lowat.
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 v4.14.290 by commit c1b85c5a34294f7444c13bf828e0e84b0a0eed85, it was introduced in version v3.12 by commit c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36. For more details please see the references link.
Which versions are affected by GSD-2022-1004849?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004849?
No fix has been published for GSD-2022-1004849 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004849 being exploited?
There is no known exploitation of GSD-2022-1004849 in the wild and no public exploit code.