CVE-2017-5986

Description

Race condition in the sctp_wait_for_sndbuf function in net/sctp/socket.c in the Linux kernel before 4.9.11 allows local users to cause a denial of service (assertion failure and panic) via a multithreaded application that peels off an association in a certain buffer-full state.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.55%
Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2017:1308 vendor advisory
https://github.com/torvalds/linux/commit/2dcab598484185dea7ec22219c76dcdd59e3cb90 patch third party advisory issue tracking
http://www.openwall.com/lists/oss-security/2017/02/14/6 patch mailing list third party advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2dcab598484185dea7ec22219c76dcdd59e3cb90 patch third party advisory issue tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1420276 patch issue tracking
http://www.securityfocus.com/bid/96222 vdb entry
http://www.debian.org/security/2017/dsa-3804 vendor advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11 release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-5986?
CVE-2017-5986 has been scored as a medium severity vulnerability.
How to fix CVE-2017-5986?
To fix CVE-2017-5986, 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-2017-5986 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-5986 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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