| 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 |