Описание
In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free.
In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free.
Ссылки
- https://nvd.nist.gov/vuln/detail/CVE-2019-6974
- https://github.com/torvalds/linux/commit/cfa39381173d5f969daf43582c95ad679189cbc9
- https://www.exploit-db.com/exploits/46388
- https://usn.ubuntu.com/3933-2
- https://usn.ubuntu.com/3933-1
- https://usn.ubuntu.com/3932-2
- https://usn.ubuntu.com/3932-1
- https://usn.ubuntu.com/3931-2
- https://usn.ubuntu.com/3931-1
- https://usn.ubuntu.com/3930-2
- https://usn.ubuntu.com/3930-1
- https://support.f5.com/csp/article/K11186236?utm_source=f5support&utm_medium=RSS
- https://support.f5.com/csp/article/K11186236
- https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html
- https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
- https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.156
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.99
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1765
- https://access.redhat.com/errata/RHSA-2020:0103
- https://access.redhat.com/errata/RHSA-2019:3967
- https://access.redhat.com/errata/RHSA-2019:2809
- https://access.redhat.com/errata/RHSA-2019:0833
- https://access.redhat.com/errata/RHSA-2019:0818
- https://access.redhat.com/errata/RHBA-2019:0959
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cfa39381173d5f969daf43582c95ad679189cbc9
- http://www.securityfocus.com/bid/107127
Связанные уязвимости
In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free.
In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free.
In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free.
In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm ...
Уязвимость функции kvm_ioctl_create_device ядра операционных систем Linux, позволяющая нарушителю вызвать отказ в обслуживании