Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001425)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001425 advisory. Rogue backends can cause DoS of guests via high frequency events This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilitie...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001411)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001411 advisory. Rogue backends can cause DoS of guests via high frequency events This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilitie...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001934)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001934 advisory. Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service host OS crash or gain privileges by writing to...

EUVD-2021-15369

Malware in sbrugna...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-414631)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-414631 advisory. Rogue backends can cause DoS of guests via high frequency events This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilitie...

[SECURITY] [DLA 2940-1] linux security update

Debian LTS Advisory DLA-2940-1 [email protected] https://www.debian.org/lts/security/ Ben Hutchings March 09, 2022 https://wiki.debian.org/LTS Package : linux Version : 4.9.303-1 CVE ID : CVE-2021-3640 CVE-2021-3752 CVE-2021-4002 CVE-2021-4083 CVE-2021-4155 CVE-2021-4202 CVE-2021-28711...

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...

UBUNTU-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-2021-28713

CVE-2021-28713 affects the hvc_xen (console) backend in Xen, where a malicious driver-domain can generate high-frequency events to exhaust guest interrupt handling and cause a Denial of Service. The initial entry notes three affected backends (blkfront CVE-2021-28711, netfront CVE-2021-28712, hvc...

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...

Rogue backends can cause DoS of guests via high frequency events

ISSUE DESCRIPTION Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "driver domains". Running PV backends in driver domains has one primary security advantage: if a driver domain gets compromised, it doesn't have the privileges to take over the...

UBUNTU-CVE-2021-26932

An issue was discovered in the Linux kernel 3.2 through 5.10.16, as used by Xen. Grant mapping operations often occur in batch hypercalls, where a number of operations are done in a single hypercall, the success or failure of each one is reported to the backend driver, and the backend driver then...

Double free

Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service host OS crash or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability...

UBUNTU-CVE-2015-8550

Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service host OS crash or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability...