Описание
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because a guest can manipulate its virtualised %cr4 in a way that is incompatible with Linux (and possibly other guest kernels).
Пакеты
| Пакет | Статус | Версия исправления | Релиз | Тип |
|---|---|---|---|---|
| xen | fixed | 4.11.1+92-g6c33308a8d-1 | package | |
| xen | fixed | 4.8.5.final+shim4.10.4-1+deb9u12 | stretch | package |
| xen | end-of-life | jessie | package |
Примечания
https://xenbits.xen.org/xsa/advisory-293.html
EPSS
Связанные уязвимости
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because a guest can manipulate its virtualised %cr4 in a way that is incompatible with Linux (and possibly other guest kernels).
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because a guest can manipulate its virtualised %cr4 in a way that is incompatible with Linux (and possibly other guest kernels).
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because a guest can manipulate its virtualised %cr4 in a way that is incompatible with Linux (and possibly other guest kernels).
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because a guest can manipulate its virtualised %cr4 in a way that is incompatible with Linux (and possibly other guest kernels).
Уязвимость гипервизора Xen, связанная с недостатком механизма проверки вводимых данных, позволяющая нарушителю получить несанкционированный доступ к конфиденциальным данным, вызвать отказ в обслуживании и оказать воздействие на целостность данных
EPSS