Improper Input Validation Affecting kernel-bootwrapper package, versions <0:3.10.0-957.el7
Threat Intelligence
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Start learning- Snyk IDSNYK-CENTOS7-KERNELBOOTWRAPPER-2109858
- published26 Jul 2021
- disclosed9 Feb 2018
Introduced: 9 Feb 2018
CVE-2018-5803 (opens in a new tab)How to fix?
Upgrade Centos:7 kernel-bootwrapper to version 0:3.10.0-957.el7 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-bootwrapper package and not the kernel-bootwrapper package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
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.
References
- https://cdn.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.102
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.25
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.51
- 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://access.redhat.com/security/cve/CVE-2018-5803
- https://www.debian.org/security/2018/dsa-4187
- https://www.debian.org/security/2018/dsa-4188
- https://secuniaresearch.flexerasoftware.com/secunia_research/2018-2/
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
- https://www.spinics.net/lists/linux-sctp/msg07036.html
- https://www.spinics.net/lists/netdev/msg482523.html
- https://access.redhat.com/errata/RHSA-2018:3083
- https://secuniaresearch.flexerasoftware.com/advisories/81331/
- 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/