Find real vulnerabilities before they ship
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.
Base Score
6.7
| Base Score | 6.7 |
|---|---|
| Vector String | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| Base Severity | Medium |
| Version | 3.1 |
| Attack Vector (AV) | LOCAL |
