CVE-2021-28712

creationtimestamp| type| source ---|---|--- 2022-01-05 20:39:46+00:00| seen| https://t.me/cibsecurity/34995 2022-01-05 20:39:48+00:00| seen| https://t.me/cibsecurity/34997 2022-01-05 20:39:49+00:00| seen| https://t.me/cibsecurity/34998...

CVE-2021-28712

Rogue backends can cause DoS of guests via high frequency events This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "drive...

CVE-2021-28711

Rogue backends can cause DoS of guests via high frequency events This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "drive...

DEBIAN-CVE-2021-28711

Rogue backends can cause DoS of guests via high frequency events This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "drive...

CVE-2021-28712

Rogue backends can cause DoS of guests via high frequency events This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "drive...

Design/Logic Flaw

Rogue backends can cause DoS of guests via high frequency events This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "drive...

CVE-2021-28711

Rogue backends can cause DoS of guests via high frequency events This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "drive...

Design/Logic Flaw

Rogue backends can cause DoS of guests via high frequency events This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "drive...

Design/Logic Flaw

Rogue backends can cause DoS of guests via high frequency events This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "drive...

CVE-2021-28712

Rogue backends can cause DoS of guests via high frequency events This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "drive...

CVE-2021-28712

The CVE-2021-28712 entry concerns Xen PV backends running in unprivileged driver domains. The root cause is that malicious driver domains can overwhelm guest interrupts by sending high-frequency events, causing Denial of Service. Three backends are affected: blkfront patch 1 (CVE-2021-28711), net...

MGASA-2021-0588 Updated kernel packages fix security vulnerabilities

This kernel update is based on upstream 5.15.11 and fixes at least the following security issues: netdevsim: Zero-initialize memory for new map's value in function nsimbpfmapalloc CVE-2021-4135. Potentially malicious XEN PV backends can cause guest DoS due to unhardened frontends in the guests,...

Updated kernel-linus packages fix security vulnerabilities

This kernel-linus update is based on upstream 5.15.11 and fixes at least the following security issues: netdevsim: Zero-initialize memory for new map's value in function nsimbpfmapalloc CVE-2021-4135. Potentially malicious XEN PV backends can cause guest DoS due to unhardened frontends in the...

Fedora: Security Advisory for kernel (FEDORA-2021-e6cbca1e9e)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...