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cve[email protected]CVE-2020-16166
HistoryJul 30, 2020 - 9:15 p.m.

CVE-2020-16166

2020-07-3021:15:11
CWE-330
[email protected]
web.nvd.nist.gov
291
2
linux
kernel
remote attackers
sensitive information
network rng
cve-2020-16166
nvd
security vulnerability

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

3.7

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

AI Score

5.6

Confidence

Low

EPSS

0.002

Percentile

60.9%

JSON

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.

Affected configurations

NVD
Node
linuxlinux_kernelRange≤5.7.11
Node
opensuseleapMatch15.1
OR
opensuseleapMatch15.2
Node
fedoraprojectfedoraMatch31
OR
fedoraprojectfedoraMatch32
Node
debiandebian_linuxMatch9.0
Node
canonicalubuntu_linuxMatch14.04esm
OR
canonicalubuntu_linuxMatch16.04lts
OR
canonicalubuntu_linuxMatch18.04lts
OR
canonicalubuntu_linuxMatch20.04lts
Node
netappactive_iq_unified_managerRange9.5≥vmware_vsphere
OR
netappcloud_volumes_ontap_mediatorMatch-
OR
netappe-series_santricity_os_controllerRange11.0.0–11.60.3
OR
netapphci_bootstrap_osMatch-
OR
netapphci_management_nodeMatch-
OR
netappsolidfireMatch-
OR
netappsteelstore_cloud_integrated_storageMatch-
OR
netappstoragegridRange≤9.0.4
Node
netapph410c_firmwareMatch-
AND
netapph410cMatch-
Node
oraclesd-wan_edgeMatch8.2
VendorProductVersionCPE
linuxlinux_kernelcpe:/o:linux:linux_kernel::::

References

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CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

3.7

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

AI Score

5.6

Confidence

Low

EPSS

0.002

Percentile

60.9%

JSON
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