Vulnerability Database

290,206

Total vulnerabilities in the database

CVE-2019-20908

An issue was discovered in drivers/firmware/efi/efi.c in the Linux kernel before 5.4. Incorrect access permissions for the efivar_ssdt ACPI variable could be used by attackers to bypass lockdown or secure boot restrictions, aka CID-1957a85b0032.

  • Published: Jul 16, 2020
  • Updated: Apr 13, 2023
  • CVE: CVE-2019-20908
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.7
  • AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.9
  • AV:L/AC:M/Au:N/C:C/I:C/A:C

No CWE or OWASP classifications available.

Software From Fixed in
linux / linux_kernel - 5.4
opensuse / leap 15.1 15.1.x
canonical / ubuntu_linux 16.04 16.04.x
canonical / ubuntu_linux 18.04 18.04.x