CVE-2020-36311

MediumCVSS 5.5/10Last modified Oct 8, 2026

Description

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected software

No affected versions have been published.

Timeline

Published: Apr 7, 2021
Last modified: Oct 8, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-363125.5An issue was discovered in the Linux kernel before 5.8.10. virt/kvm/kvm_main.c has a kvm_io_bus_unregister_dev memory leak upon a kmalloc fa CVE-2020-363137.8An issue was discovered in the Linux kernel before 5.7. The KVM subsystem allows out-of-range access to memslots after a deletion, aka CID-0 CVE-2020-363143.9fr-archive-libarchive.c in GNOME file-roller through 3.38.0, as used by GNOME Shell and other software, allows Directory Traversal during ex CVE-2020-363155.3In RELIC before 2020-08-01, RSA PKCS#1 v1.5 signature forgery can occur because certain checks of the padding (and of the first two bytes) a CVE-2020-363165.5In RELIC before 2021-04-03, there is a buffer overflow in PKCS#1 v1.5 signature verification because garbage bytes can be present.CVE-2020-363177.5In the standard library in Rust before 1.49.0, String::retain() function has a panic safety problem. It allows creation of a non-UTF-8 Rust CVE-2020-363189.8In the standard library in Rust before 1.49.0, VecDeque::make_contiguous has a bug that pops the same element more than once under certain c CVE-2020-363196.5Insecure configuration of default ObjectMapper in com.vaadin:flow-server versions 3.0.0 through 3.0.5 (Vaadin 15.0.0 through 15.0.4) may exp CVE-2020-36327.8u'Incorrect validation of ring context fetched from host memory can lead to memory overflow' in Snapdragon Compute, Snapdragon Mobile in QSM CVE-2020-363207.5Unsafe validation RegEx in EmailValidator class in com.vaadin:vaadin-server versions 7.0.0 through 7.7.21 (Vaadin 7.0.0 through 7.7.21) allo CVE-2020-363217.5Improper URL validation in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.4.1 (Vaadin 14.0.0 through 14.4.2), a CVE-2020-363225.5An issue was discovered in the FUSE filesystem implementation in the Linux kernel before 5.10.6, aka CID-5d069dbe8aaf. fuse_do_getattr() cal