CVE-2019-19396 Null dereference in n/a
Concurrent sendmsg calls on a single socket cause a kernel crash in illumos due to mishandled dereferences, leading to 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 CVE-2019-19396?
CVE-2019-19396 is a high-severity vulnerability in n/a, published on 29 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
illumos, as used in OmniOS Community Edition before r151030y, allows a kernel crash via an application with multiple threads calling sendmsg concurrently over a single socket, because uts/common/inet/ip/ip_attr.c mishandles conn_ixa dereferences.
Weakness: CWE-20
Which versions are affected by CVE-2019-19396?
It affects 1 product.
Products include Omniosce Omnios.
How do I fix CVE-2019-19396?
No fix has been published for CVE-2019-19396 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-19396 being exploited?
There is no known exploitation of CVE-2019-19396 in the wild and no public exploit code.
Sources
Also known as GHSA-qqw6-6jqg-6w44.