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CVE
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CVE-2020-16166Date: (C)2020-07-31   (M)2024-04-30


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 3.7CVSS Score : 4.3
Exploit Score: 2.2Exploit Score: 8.6
Impact Score: 1.4Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: HIGHAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: LOWAvailability: NONE
Integrity: NONE 
Availability: NONE 
  
Reference:
FEDORA-2020-2cd6393548
FEDORA-2020-8d634e31c0
USN-4525-1
USN-4526-1
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://arxiv.org/pdf/2012.07432.pdf
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://github.com/torvalds/linux/commit/f227e3ec3b5cad859ad15666874405e8c1bbc1d4
https://security.netapp.com/advisory/ntap-20200814-0004/
https://www.oracle.com/security-alerts/cpuApr2021.html
openSUSE-SU-2020:1153
openSUSE-SU-2020:1236

CPE    4
cpe:/o:debian:debian_linux:9.0
cpe:/o:canonical:ubuntu_linux:18.04::~~lts~~~
cpe:/o:linux:linux_kernel
cpe:/o:canonical:ubuntu_linux:16.04::~~lts~~~
...
CWE    1
CWE-330
OVAL    25
oval:org.secpod.oval:def:1503038
oval:org.secpod.oval:def:89050407
oval:org.secpod.oval:def:89003013
oval:org.secpod.oval:def:89050521
...

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