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Kernel: KVM: OOB memory access via mmio ring buffer

🗓️ 10 Dec 2019 12:06:06Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

Out-of-bounds access in coalesced MMIO write lets unprivileged users crash the kernel or gain privileges.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7ppc64lekernel0:4.14.0-115.16.1.el7akernel-0:4.14.0-115.16.1.el7a.ppc64le.rpm
Red Hat Enterprise Linux7noarchkernel-abi-whitelists0:4.14.0-115.16.1.el7akernel-abi-whitelists-0:4.14.0-115.16.1.el7a.noarch.rpm
Red Hat Enterprise Linux7ppc64lekernel-bootwrapper0:4.14.0-115.16.1.el7akernel-bootwrapper-0:4.14.0-115.16.1.el7a.ppc64le.rpm
Red Hat Enterprise Linux7ppc64lekernel-debug0:4.14.0-115.16.1.el7akernel-debug-0:4.14.0-115.16.1.el7a.ppc64le.rpm
Red Hat Enterprise Linux7ppc64lekernel-debug-debuginfo0:4.14.0-115.16.1.el7akernel-debug-debuginfo-0:4.14.0-115.16.1.el7a.ppc64le.rpm
Red Hat Enterprise Linux7ppc64lekernel-debug-devel0:4.14.0-115.16.1.el7akernel-debug-devel-0:4.14.0-115.16.1.el7a.ppc64le.rpm
Red Hat Enterprise Linux7ppc64lekernel-debuginfo0:4.14.0-115.16.1.el7akernel-debuginfo-0:4.14.0-115.16.1.el7a.ppc64le.rpm
Red Hat Enterprise Linux7ppc64lekernel-debuginfo-common-ppc64le0:4.14.0-115.16.1.el7akernel-debuginfo-common-ppc64le-0:4.14.0-115.16.1.el7a.ppc64le.rpm
Red Hat Enterprise Linux7ppc64lekernel-devel0:4.14.0-115.16.1.el7akernel-devel-0:4.14.0-115.16.1.el7a.ppc64le.rpm
Red Hat Enterprise Linux7noarchkernel-doc0:4.14.0-115.16.1.el7akernel-doc-0:4.14.0-115.16.1.el7a.noarch.rpm
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30 Jun 2026 11:35Current
7.2High risk
Vulners AI Score7.2
CVSS 27.2
CVSS 3.18.8
CVSS 37.5
EPSS0.00763
6