Improper Input Validation Affecting kernel-default-man package, versions <4.12.14-25.3.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-SLES150-KERNELDEFAULTMAN-2763567
- published14 Apr 2022
- disclosed27 Jul 2018
Introduced: 27 Jul 2018
CVE-2018-5803 (opens in a new tab)How to fix?
Upgrade SLES:15.0 kernel-default-man to version 4.12.14-25.3.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-default-man package and not the kernel-default-man package as distributed by SLES.
See How to fix? for SLES:15.0 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://www.suse.com/security/cve/CVE-2018-5803.html
- https://bugzilla.suse.com/1083900
- https://bugzilla.suse.com/1087082
- https://bugzilla.suse.com/1115893
- 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