CVE-2018-5803 Information

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

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://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=07f2c7ab6f8d0a7e7c5764c4e6cc9c52951b9d9c 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 https://www.spinics.net/lists/linux-sctp/msg07036.html https://www.spinics.net/lists/netdev/msg482523.html

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5