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.
https://access.redhat.com/errata/RHSA-2018:1854
https://access.redhat.com/errata/RHSA-2018:2948
https://access.redhat.com/errata/RHSA-2018:3083
https://access.redhat.com/errata/RHSA-2018:3096
https://access.redhat.com/errata/RHSA-2019:0641
https://cdn.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.102
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.51
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.25
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.15.8
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.121
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.87
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
https://secuniaresearch.flexerasoftware.com/advisories/81331/
https://secuniaresearch.flexerasoftware.com/secunia_research/2018-2/
https://usn.ubuntu.com/3654-1/
https://usn.ubuntu.com/3654-2/
https://usn.ubuntu.com/3656-1/
https://usn.ubuntu.com/3697-1/
https://usn.ubuntu.com/3697-2/
https://usn.ubuntu.com/3698-1/
https://usn.ubuntu.com/3698-2/
https://www.debian.org/security/2018/dsa-4187
https://www.debian.org/security/2018/dsa-4188
Source: MITRE
Published: 2018-06-12
Updated: 2019-03-27
Type: CWE-20
Base Score: 4.9
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.9
Severity: MEDIUM
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM