VDB

DEBIAN-CVE-2020-10768

DEBIAN-CVE-2020-10768 PUBLISHED CVSS 5.5 MEDIUM

A flaw was found in the Linux Kernel before 5.8-rc1 in the prctl() function, where it can be used to enable indirect branch speculation after it has been disabled. This call incorrectly reports it as being 'force disabled' when it is not and opens the system to Spectre v2 attacks. The highest threat from this vulnerability is to confidentiality.

Risk Scores

CVSS v3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Products

VendorProductVersions
Debian:11linux0, 0, 0
Debian:12linux0, 0, 0
Debian:14linux0, 0, 0
Debian:13linux0, 0, 0

Timeline

  • Sep 16, 2020 CVE Published
  • Apr 28, 2026 CVE Updated
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