ALT-PU-2021-2241-1
Package kernel-image-un-def updated to version 4.19.197-alt0.M80P.1 for branch p8 in task 278634.
Closed vulnerabilities
Published: 2020-09-11
BDU:2021-01956
Уязвимость компонентов arch/x86/kvm/svm/sev.c подсистемы виртуализации Kernel-based Virtual Machine (KVM) ядра операционных систем Linux, позволяющая нарушителю вызвать отказ в обслуживании
Severity: MEDIUM (5.5)
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References:
Published: 2021-04-07
Modified: 2024-11-21
Modified: 2024-11-21
CVE-2020-36311
An issue was discovered in the Linux kernel before 5.9. arch/x86/kvm/svm/sev.c allows attackers to cause a denial of service (soft lockup) by triggering destruction of a large SEV VM (which requires unregistering many encrypted regions), aka CID-7be74942f184.
Severity: MEDIUM (5.5)
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References:
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7be74942f184fdfba34ddd19a0d995deb34d4a03
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7be74942f184fdfba34ddd19a0d995deb34d4a03
- [debian-lts-announce] 20210720 [SECURITY] [DLA 2714-1] linux-4.19 security update
- [debian-lts-announce] 20210720 [SECURITY] [DLA 2714-1] linux-4.19 security update
- DSA-4941
- DSA-4941