ID |
CVE-2020-27777
|
Sažetak |
A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. On a locked down (usually due to Secure Boot) guest system running on top of PowerVM or KVM hypervisors (pseries platform) a root like local user could use this flaw to further increase their privileges to that of a running kernel. |
Reference |
|
CVSS |
Base: | 7.2 |
Impact: | 10.0 |
Exploitability: | 3.9 |
|
Pristup |
Vektor | Složenost | Autentikacija |
LOCAL |
LOW |
NONE |
|
Impact |
Povjerljivost | Cjelovitost | Dostupnost |
COMPLETE |
COMPLETE |
COMPLETE |
|
CVSS vektor |
AV:L/AC:L/Au:N/C:C/I:C/A:C |
Zadnje važnije ažuriranje |
05-10-2023 - 14:29 |
Objavljeno |
15-12-2020 - 17:15 |