GSD-2022-1004396 tcp: Fix a data-race around sysctl_tcp_ecn_fallback.
A data race in the Linux kernel TCP ECN fallback sysctl 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-2022-1004396?
GSD-2022-1004396 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_ecn_fallback.
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 v5.15.56 by commit 8bcf7339f2cf70ea4461df6ea045d1aadfabfa11, it was introduced in version v4.2 by commit 492135557dc090a1abb2cfbe1a412757e3ed68ab. For more details please see the references link.
Which versions are affected by GSD-2022-1004396?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004396?
No fix has been published for GSD-2022-1004396 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004396 being exploited?
There is no known exploitation of GSD-2022-1004396 in the wild and no public exploit code.