CVE-2019-7221 - Vulncode-DB

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CVE-2019-7221 (NVD)

2019-03-21

The KVM implementation in the Linux kernel through 4.20.5 has a Use-after-Free.

Products	Ubuntu_linux, Debian_linux, Fedora, Linux_kernel, Active_iq_performance_analytics_services, Element_software_management_node, Leap, Enterprise_linux, Enterprise_linux_desktop, Enterprise_linux_server, Enterprise_linux_server_aus, Enterprise_linux_server_eus, Enterprise_linux_server_tus, Enterprise_linux_workstation, Openshift_container_platform
Type	Use After Free (CWE-416)
First patch	- None (likely due to unavailable code)
Patches	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ecec76885bcfe3294685dc363fd1273df0d5d65f
Links	• http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.html • http://packetstormsecurity.com/files/151713/KVM-VMX-Preemption-Timer-Use-After-Free.html • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KDOXCX3QFVWYXH5CQMGDDE7H6MUG5XGG/ • https://usn.ubuntu.com/3930-2/ • https://usn.ubuntu.com/3931-1/ More/Less (18) • https://access.redhat.com/errata/RHSA-2019:0833 • https://github.com/torvalds/linux/commits/master/arch/x86/kvm • https://usn.ubuntu.com/3931-2/ • https://access.redhat.com/errata/RHSA-2019:3967 • https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html • https://usn.ubuntu.com/3932-2/ • https://access.redhat.com/errata/RHSA-2019:4058 • https://access.redhat.com/errata/RHBA-2019:0959 • https://usn.ubuntu.com/3932-1/ • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y2HMABEMJDPA6LPCBE5WIEZXUKY7DLTN/ • https://security.netapp.com/advisory/ntap-20190404-0002/ • http://www.openwall.com/lists/oss-security/2019/02/18/2 • https://access.redhat.com/errata/RHSA-2019:0818 • https://usn.ubuntu.com/3930-1/ • https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html • https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html • https://bugs.chromium.org/p/project-zero/issues/detail?id=1760 • https://support.f5.com/csp/article/K08413011