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 3.1
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:12linux0
Debian:14linux0
Debian:13linux0

Timeline

  • Sep 16, 2020 CVE Published
  • Oct 26, 2026 CVE Updated
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