CVE-2002-2438 Security feature bypass in kernel
Attackers can bypass TCP firewalls by sending SYN packets with additional flags, allowing unauthorized network access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2002-2438?
CVE-2002-2438 is a high-severity vulnerability in Linux kernel, published on 18 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
TCP firewalls could be circumvented by sending a SYN Packets with other flags (like e.g. RST flag) set, which was not correctly discarded by the Linux TCP stack after firewalling.
Weakness: CWE-287
Which versions are affected by CVE-2002-2438?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2002-2438?
No fix has been published for CVE-2002-2438 yet. Limit exposure of the affected software until one is available.
Is CVE-2002-2438 being exploited?
There is no known exploitation of CVE-2002-2438 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-w6mc-fc3q-jpx7.