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Kernel: vhost_net: infinite loop while receiving packets leads to DoS

🗓️ 30 Jul 2019 13:20:18Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Infinite loop in vhost_net handle_rx() can cause DoS by stalling kernel thread when packets mismatch.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7ppc64lekernel0:4.14.0-115.10.1.el7akernel-0:4.14.0-115.10.1.el7a.ppc64le.rpm
Red Hat Enterprise Linux7anykernel-abi-whitelists0:4.14.0-115.10.1.el7a.noarchkernel-abi-whitelists-0:4.14.0-115.10.1.el7a.noarch.noarch.rpm
Red Hat Enterprise Linux7ppc64lekernel-bootwrapper0:4.14.0-115.10.1.el7akernel-bootwrapper-0:4.14.0-115.10.1.el7a.ppc64le.rpm
Red Hat Enterprise Linux7ppc64lekernel-debug0:4.14.0-115.10.1.el7akernel-debug-0:4.14.0-115.10.1.el7a.ppc64le.rpm
Red Hat Enterprise Linux7ppc64lekernel-debug-debuginfo0:4.14.0-115.10.1.el7akernel-debug-debuginfo-0:4.14.0-115.10.1.el7a.ppc64le.rpm
Red Hat Enterprise Linux7ppc64lekernel-debug-devel0:4.14.0-115.10.1.el7akernel-debug-devel-0:4.14.0-115.10.1.el7a.ppc64le.rpm
Red Hat Enterprise Linux7ppc64lekernel-debuginfo0:4.14.0-115.10.1.el7akernel-debuginfo-0:4.14.0-115.10.1.el7a.ppc64le.rpm
Red Hat Enterprise Linux7ppc64lekernel-debuginfo-common-ppc64le0:4.14.0-115.10.1.el7akernel-debuginfo-common-ppc64le-0:4.14.0-115.10.1.el7a.ppc64le.rpm
Red Hat Enterprise Linux7ppc64lekernel-devel0:4.14.0-115.10.1.el7akernel-devel-0:4.14.0-115.10.1.el7a.ppc64le.rpm
Red Hat Enterprise Linux7anykernel-doc0:4.14.0-115.10.1.el7a.noarchkernel-doc-0:4.14.0-115.10.1.el7a.noarch.noarch.rpm
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28 Jun 2026 12:32Current
6.9Medium risk
Vulners AI Score6.9
CVSS 26.8
CVSS 3.17.7
CVSS 36.3
EPSS0.04425
4