CVE-2018-5803

Description

In the Linux Kernel before version 4.15.8, 4.14.25, 4.9.87, 4.4.121, 4.1.51, and 3.2.102, an error in the "_sctp_make_chunk()" function (net/sctp/sm_make_chunk.c) when handling SCTP packets length can be exploited to cause a kernel crash.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory kernel.org Vendor Advisory kernel.org Vendor Advisory kernel.org Vendor Advisory kernel.org Vendor Advisory kernel.org Vendor Advisory kernel.org Vendor Advisory kernel.org
Affected: Linux Foundation Linux Kernel
Published at:
Updated at:

References

Link Tags
https://secuniaresearch.flexerasoftware.com/advisories/81331/ third party advisory
https://access.redhat.com/errata/RHSA-2018:3083 third party advisory vendor advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.25 vendor advisory
https://www.debian.org/security/2018/dsa-4187 third party advisory vendor advisory
https://usn.ubuntu.com/3654-1/ third party advisory vendor advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.51 vendor advisory
https://access.redhat.com/errata/RHSA-2018:1854 third party advisory vendor advisory
https://usn.ubuntu.com/3697-1/ third party advisory vendor advisory
https://cdn.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.102 vendor advisory
https://www.debian.org/security/2018/dsa-4188 third party advisory vendor advisory
https://www.spinics.net/lists/netdev/msg482523.html third party advisory mailing list
https://access.redhat.com/errata/RHSA-2018:2948 third party advisory vendor advisory
https://usn.ubuntu.com/3697-2/ third party advisory vendor advisory
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=07f2c7ab6f8d0a7e7c5764c4e6cc9c52951b9d9c vendor advisory
https://www.spinics.net/lists/linux-sctp/msg07036.html third party advisory mailing list
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.87 vendor advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.15.8 vendor advisory
https://usn.ubuntu.com/3654-2/ third party advisory vendor advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.121 vendor advisory
https://usn.ubuntu.com/3698-1/ third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html third party advisory mailing list
https://usn.ubuntu.com/3656-1/ third party advisory vendor advisory
https://secuniaresearch.flexerasoftware.com/secunia_research/2018-2/ third party advisory
https://access.redhat.com/errata/RHSA-2018:3096 third party advisory vendor advisory
https://usn.ubuntu.com/3698-2/ third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:0641 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-5803?
CVE-2018-5803 has been scored as a medium severity vulnerability.
How to fix CVE-2018-5803?
To fix CVE-2018-5803, 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-2018-5803 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-5803 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-5803?
CVE-2018-5803 affects Linux Foundation Linux Kernel.
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