Описание
A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the host resulting in DoS scenario.
A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the host resulting in DoS scenario.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 6 | qemu-kvm | Out of support scope | ||
| Red Hat Enterprise Linux 7 | qemu-kvm | Fix deferred | ||
| Red Hat Enterprise Linux 7 | qemu-kvm-ma | Not affected | ||
| Red Hat Enterprise Linux 7 | qemu-kvm-rhev | Fix deferred | ||
| Red Hat Enterprise Linux 8 Advanced Virtualization | virt:8.2/qemu-kvm | Will not fix | ||
| Red Hat Enterprise Linux 8 Advanced Virtualization | virt:8.3/qemu-kvm | Will not fix | ||
| Red Hat Enterprise Linux 8 Advanced Virtualization | virt:av/qemu-kvm | Affected | ||
| Red Hat OpenStack Platform 10 (Newton) | qemu-kvm-rhev | Out of support scope | ||
| Red Hat OpenStack Platform 13 (Queens) | qemu-kvm-rhev | Out of support scope | ||
| Advanced Virtualization for RHEL 8.4.0.Z | virt | Fixed | RHSA-2021:3703 | 30.09.2021 |
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Дополнительная информация
Статус:
EPSS
3.2 Low
CVSS3
Связанные уязвимости
A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the host resulting in DoS scenario.
A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the host resulting in DoS scenario.
A potential stack overflow via infinite loop issue was found in variou ...
A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the host resulting in DoS scenario.
EPSS
3.2 Low
CVSS3