ID |
CVE-2021-4145
|
Sažetak |
A NULL pointer dereference issue was found in the block mirror layer of QEMU in versions prior to 6.2.0. The `self` pointer is dereferenced in mirror_wait_on_conflicts() without ensuring that it's not NULL. A malicious unprivileged user within the guest could use this flaw to crash the QEMU process on the host when writing data reaches the threshold of mirroring node. |
Reference |
|
CVSS |
Base: | 4.9 |
Impact: | 6.9 |
Exploitability: | 3.9 |
|
Pristup |
Vektor | Složenost | Autentikacija |
LOCAL |
LOW |
NONE |
|
Impact |
Povjerljivost | Cjelovitost | Dostupnost |
NONE |
NONE |
COMPLETE |
|
CVSS vektor |
AV:L/AC:L/Au:N/C:N/I:N/A:C |
Zadnje važnije ažuriranje |
28-09-2022 - 19:54 |
Objavljeno |
25-01-2022 - 20:15 |