Information Exposure Affecting kernel-zfcpdump package, versions <0:4.18.0-240.8.1.el8_3
Threat Intelligence
EPSS
0.43% (76th
percentile)
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Test your applications- Snyk ID SNYK-CENTOS8-KERNELZFCPDUMP-2087628
- published 26 Jul 2021
- disclosed 29 Jul 2020
Introduced: 29 Jul 2020
CVE-2020-16166 Open this link in a new tabHow to fix?
Upgrade Centos:8 kernel-zfcpdump to version 0:4.18.0-240.8.1.el8_3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-zfcpdump package and not the kernel-zfcpdump package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
The Linux kernel through 5.7.11 allows remote attackers to make observations that help to obtain sensitive information about the internal state of the network RNG, aka CID-f227e3ec3b5c. This is related to drivers/char/random.c and kernel/time/timer.c.
References
- https://security.netapp.com/advisory/ntap-20200814-0004/
- https://access.redhat.com/security/cve/CVE-2020-16166
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AAPTLPAEKVAJYJ4LHN7VH4CN2W75R2YW/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MFBCLQWJI5I4G25TVJNLXLAXJ4MERQNW/
- https://arxiv.org/pdf/2012.07432.pdf
- https://github.com/torvalds/linux/commit/f227e3ec3b5cad859ad15666874405e8c1bbc1d4
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f227e3ec3b5cad859ad15666874405e8c1bbc1d4
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c51f8f88d705e06bd696d7510aff22b33eb8e638
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
- https://access.redhat.com/errata/RHSA-2020:5473
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html
- https://usn.ubuntu.com/4525-1/
- https://usn.ubuntu.com/4526-1/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AAPTLPAEKVAJYJ4LHN7VH4CN2W75R2YW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MFBCLQWJI5I4G25TVJNLXLAXJ4MERQNW/
CVSS Scores
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