The ahci_commit_buf function in ide/ahci.c in QEMU allows attackers to cause a denial of service (NULL dereference) when the command header ad->cur_cmd is null.
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Qemu | Qemu | - (including) | - (including) |
| Qemu | Ubuntu | bionic | * |
| Qemu | Ubuntu | disco | * |
| Qemu | Ubuntu | eoan | * |
| Qemu | Ubuntu | groovy | * |
| Qemu | Ubuntu | hirsute | * |
| Qemu | Ubuntu | impish | * |
| Qemu | Ubuntu | kinetic | * |
| Qemu | Ubuntu | lunar | * |
| Qemu | Ubuntu | mantic | * |
| Qemu | Ubuntu | trusty | * |
| Qemu | Ubuntu | trusty/esm | * |
| Qemu | Ubuntu | xenial | * |
| Qemu-kvm | Ubuntu | precise/esm | * |
| Qemu-kvm | Ubuntu | trusty | * |