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. Xen Noyau Linux has a security vulnerability...

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...

Rogue guests can cause DoS of Dom0 via high frequency events

ISSUE DESCRIPTION The handling of Xen events in the Linux kernel runs with interrupts disabled in a loop until no further event is pending. Whenever an event has been accepted by the kernel, another event can come in via the same event channel. This can result in the event handling loop running f...

ALPINE-CVE-2018-20197

There is a stack-based buffer underflow in the third instance of the calculategain function in libfaad/sbrhfadj.c in Freeware Advanced Audio Decoder 2 FAAD2 2.8.8. A crafted input will lead to a denial of service or possibly unspecified other impact because limiting the additional noise energy...

PT-2018-3070 · Audiocoding +1 · Faad2 +1

Name of the Vulnerable Software and Affected Versions: Freeware Advanced Audio Decoder 2 FAAD2 version 2.8.8 Description: The issue is related to a stack-based buffer underflow in the calculate gain function. A crafted input can lead to a denial of service or possibly other impacts due to the...

The vulnerability of Cisco PIX software allows a malicious individual to trigger a service failure.

The vulnerability in Cisco PIX systems with open telnet or SSH ports allows attackers to induce service failures by attempting to connect to services at a very high frequency...

The Next Security Scandal Will Be An Attack on High Frequency Trading Systems

The U.S. Securities and Exchange Commission voted on Tuesday to impose new rules to help oversee what experts warn is a burgeoning and little understood shadow market of ultra high-speed, computer based trading. But one security expert warns that new reporting rules are only part of the problem...

linux/x86 "high" frequency system beep shellcode 53 bytes

Exploit for linux/x86 platform in category shellcode ========================================================= linux/x86 "high" frequency system beep shellcode 53 bytes ========================================================= /...