CVE-2019-18680

Public Exploit

Description

An issue was discovered in the Linux kernel 4.4.x before 4.4.195. There is a NULL pointer dereference in rds_tcp_kill_sock() in net/rds/tcp.c that will cause denial of service, aka CID-91573ae4aed0.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.70% Top 20%
Vendor Advisory kernel.org Vendor Advisory kernel.org Vendor Advisory lkml.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lkml.org/lkml/2019/9/18/337 mailing list exploit vendor advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.195 exploit patch vendor advisory
https://github.com/torvalds/linux/commit/91573ae4aed0a49660abdad4d42f2a0db995ee5e third party advisory patch
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=91573ae4aed0a49660abdad4d42f2a0db995ee5e patch vendor advisory
https://security.netapp.com/advisory/ntap-20191205-0001/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-18680?
CVE-2019-18680 has been scored as a high severity vulnerability.
How to fix CVE-2019-18680?
To fix CVE-2019-18680, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-18680 being actively exploited in the wild?
It is possible that CVE-2019-18680 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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