GSD-2022-1004682 tcp/dccp: Fix a data-race around sysctl_tcp_fwmark_accept.
A data race in the Linux kernel's TCP/DCCP sysctl handling could lead to undefined behavior, requiring a kernel patch.
- 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-2022-1004682?
GSD-2022-1004682 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/dccp: Fix a data-race around sysctl_tcp_fwmark_accept.
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 v5.4.208 by commit a7386602a2fe2f6192477e8ede291a815da09d81, it was introduced in version v3.16 by commit 84f39b08d7868ce10eeaf640627cb89777f0ae93. For more details please see the references link.
Which versions are affected by GSD-2022-1004682?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004682?
No fix has been published for GSD-2022-1004682 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004682 being exploited?
There is no known exploitation of GSD-2022-1004682 in the wild and no public exploit code.