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CVE-2019-20908

CVSS v3.1 6.7 (Medium)
67% Progress
CVSS v2.0 6.9 (Medium)
69% Progress
EPSS 0.05 % (18th)
0.05% Progress
Affected Products 3
Advisories 18
Info CVSS EPSS Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

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.

Weaknesses
CWE-NVD-noinfo
CVE Status
PUBLISHED
CNA
MITRE
Published Date
2020-07-15 22:15:13
(4 years ago)
Updated Date
2021-07-21 11:39:23
(3 years ago)

Affected Products

Canonical

Linux

Opensuse

Configuration #1

    CPE23 From Up To
  Linux Kernel prior 5.4 version cpe:2.3:o:linux:linux_kernel < 5.4

Configuration #2

    CPE23 From Up To
  Opensuse Leap 15.1 cpe:2.3:o:opensuse:leap:15.1

Configuration #3

    CPE23 From Up To
  Canonical Ubuntu Linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts
  Canonical Ubuntu Linux 18.04 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts