CVE-2019-19332

NameCVE-2019-19332
DescriptionAn out-of-bounds memory write issue was found in the Linux Kernel, version 3.13 through 5.4, in the way the Linux kernel's KVM hypervisor handled the 'KVM_GET_EMULATED_CPUID' ioctl(2) request to get CPUID features emulated by the KVM hypervisor. A user or process able to access the '/dev/kvm' device could use this flaw to crash the system, resulting in a denial of service.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-2068-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1vulnerable
jessie (security)3.16.81-1fixed
stretch4.9.189-3vulnerable
stretch (security)4.9.189-3+deb9u2vulnerable
buster4.19.67-2+deb10u1vulnerable
buster (security)4.19.67-2+deb10u2vulnerable
bullseye, sid5.4.13-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)5.4.6-1
linuxsourcejessie3.16.81-1DLA-2068-1

Notes

https://git.kernel.org/linus/433f4ba1904100da65a311033f17a9bf586b287e

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