CVE-2021-28715

Guest can force Linux netback driver to hog large amounts of kernel memory This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Incoming data packets for a guest in the Linux kernel's netback driver are buffered until the...

CVE-2021-28715

Guest can force Linux netback driver to hog large amounts of kernel memory This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Incoming data packets for a guest in the Linux kernel's netback driver are buffered until the...

CVE-2021-28714

Guest can force Linux netback driver to hog large amounts of kernel memory This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Incoming data packets for a guest in the Linux kernel's netback driver are buffered until the...

CVE-2021-28714

Concrete details: CVE-2021-28714 and CVE-2021-28715 pertain to the Linux kernel netback driver in guests. Incoming packets for a guest are buffered until processing, with a long default client-side RX queue stall timeout (60 seconds) that can be bypassed; on fast UDP interfaces this can accumulat...

CVE-2021-28714

Guest can force Linux netback driver to hog large amounts of kernel memory This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Incoming data packets for a guest in the Linux kernel's netback driver are buffered until the...

CVE-2021-28714: Allocation of Resources Without Limits or Throttling

Guest can force Linux netback driver to hog large amounts of kernel memory This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Incoming data packets for a guest in the Linux kernel's netback driver are buffered until the...

CVE-2021-28715: Allocation of Resources Without Limits or Throttling

Guest can force Linux netback driver to hog large amounts of kernel memory This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Incoming data packets for a guest in the Linux kernel's netback driver are buffered until the...

GSD-2021-1002763 xen/netback: don't queue unlimited number of packages

xen/netback: don't queue unlimited number of packages 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 v5.15.11 by commit...

GSD-2021-1002711 xen/netback: don't queue unlimited number of packages

xen/netback: don't queue unlimited number of packages 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 v5.10.88 by commit...

GSD-2021-1002659 xen/netback: don't queue unlimited number of packages

xen/netback: don't queue unlimited number of packages 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 v4.19.222 by commit...

GSD-2021-1002639 xen/netback: don't queue unlimited number of packages

xen/netback: don't queue unlimited number of packages 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 v4.14.259 by commit...

GSD-2021-1002625 xen/netback: don't queue unlimited number of packages

xen/netback: don't queue unlimited number of packages 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 v4.9.294 by commit...

GSD-2021-1002615 xen/netback: don't queue unlimited number of packages

xen/netback: don't queue unlimited number of packages 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 v4.4.296 by commit...

PT-2022-3658 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The netback driver vulnerability in the Linux kernel is related to resource release errors. Exploitation of this issue may allow an attacker to cause a denial of service...

PT-2022-4510 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to a driver vulnerability in the Linux kernel's netback component, which is associated with resource release errors. Exploitation of this issue could allow an...

Guest can force Linux netback driver to hog large amounts of kernel memory

ISSUE DESCRIPTION Incoming data packets for a guest in the Linux kernel's netback driver are buffered until the guest is ready to process them. There are some measures taken for avoiding to pile up too much data, but those can be bypassed by the guest: There is a timeout how long the client side ...

Linux kernel 安全漏洞

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. kernel is one of the kernel-based virtual machines. a security vulnerability exists in Linux kernel, which stems from the fact that guest users can force the Linux netback driver to consume large amounts...

Linux kernel 安全漏洞

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. kernel is one of the kernel-based virtual machines. a security vulnerability exists in Linux kernel, which stems from the fact that guest users can force the Linux netback driver to consume large amounts...

The vulnerability of the Linux operating system’s netback driver, related to the allocation of unlimited memory, allows a hacker to trigger a service failure.

The vulnerability of the Linux operating system’s netback driver relates to the allocation of unlimited memory. Exploiting this vulnerability can allow a hacker to cause a service failure...

Unbreakable Enterprise kernel security update

4.14.35-2047.507.7.4 - KVM: x86: Check kvmrebooting in kvmspuriousfault Sean Christopherson Orabug: 33362693 4.14.35-2047.507.7.3 - arm64: Reserve elfcorehdr before scanning reserved memory from device tree Dave Kleikamp Orabug: 33354710 4.14.35-2047.507.7.2 - net: geneve: modify IP header check ...