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...

UBUNTU-CVE-2021-28713

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-2021-28711

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-2021-28713

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-2021-28712

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...

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...

Xen 安全漏洞

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. A security vulnerability exists in xen, whic...

Xen 安全漏洞

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. A security vulnerability exists in xen, whic...

Xen 安全漏洞

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. Xen Noyau Linux has a security vulnerability...

Annualized fee APY dependence on the frequency of executing a function

Handle Czar102 Vulnerability details Impact The APY of the annualized fee is dependent on the frequency of the execution of the BasketFacet::chargeOutstandingAnnualizedFee. If it is called more frequently, the compounding is more frequent and the APY is higher. For less used baskets, the APY migh...

CVE-2021-40171

The absence of notifications regarding an ongoing RF jamming attack in the SecuritasHome home alarm system, version HPGW-G 0.0.2.23F BGU-ITR-F1-BDBL.A30.20181117, allows an attacker to block legitimate traffic while not alerting the owner of the system...

PT-2021-22829 · Unknown · Securitashome

Name of the Vulnerable Software and Affected Versions: SecuritasHome home alarm system version HPGW-G 0.0.2.23F BG U-ITR-F1-BD BL.A30.20181117 Description: The issue concerns the absence of notifications for ongoing RF jamming attacks in the system. This allows an attacker to block legitimate...

Insulet Omnipod Insulin Management System 安全漏洞

The Insulet Omnipod Insulin Management System is an insulin management system from Insulet Corporation. A security vulnerability exists in the Insulet Omnipod Insulin Management System that stems from a radio frequency communication protocol that does not properly implement authentication or...

CVE-2021-37910

ASUS routers Wi-Fi protected access protocol WPA2 and WPA3-SAE has improper control of Interaction frequency vulnerability, an unauthenticated attacker can remotely disconnect other users' connections by sending specially crafted SAE authentication frames...

Design/Logic Flaw

ASUS routers Wi-Fi protected access protocol WPA2 and WPA3-SAE has improper control of Interaction frequency vulnerability, an unauthenticated attacker can remotely disconnect other users' connections by sending specially crafted SAE authentication frames...

Lessons from a real-life ransomware attack

Ransomware attacks, despite dramatically increasing in frequency this summer, remain opaque for many potential victims. It isn’t anyone’s fault, necessarily, since news articles about ransomware attacks often focus on the attack, the suspected threat actors, the ransomware type, and, well, not mu...

GSD-2021-1001908 iio: adis16475: fix deadlock on frequency set

iio: adis16475: fix deadlock on frequency set This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.14.14 by commit...