CVE-2020-16166

unknown

Published — · Modified —

CVSS v3

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CVSS v2

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VIR risk

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Description

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.

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-16166

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-16166.html

OS impact

OS	Version	Status	Fixed in
sles		affected
debian	bookworm	fixed	`5.7.17-1`
debian	bullseye	fixed	`5.7.17-1`
debian	forky	fixed	`5.7.17-1`
debian	sid	fixed	`5.7.17-1`
debian	trixie	fixed	`5.7.17-1`

References

https://www.suse.com/security/cve/CVE-2020-16166.html
https://security-tracker.debian.org/tracker/CVE-2020-16166

Verify integrity in audit chain (admin only). AS-IS.