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Related Vulnerabilities: CVE-2019-3840

A NULL pointer dereference flaw was discovered in libvirt in the way it gets interface information through the QEMU agent. An attacker in a guest VM can use this flaw to crash libvirtd and cause a denial of service. (CVE-2019-3840)

Source

ALAS2-2019-1361

Amazon Linux 2 Security Advisory: ALAS-2019-1361
Advisory Release Date: 2019-11-11 17:40 Pacific
Advisory Updated Date: 2019-11-14 03:18 Pacific

Severity: Medium

References: CVE-2019-3840

Issue Overview:

A NULL pointer dereference flaw was discovered in libvirt in the way it gets interface information through the QEMU agent. An attacker in a guest VM can use this flaw to crash libvirtd and cause a denial of service. (CVE-2019-3840)

Affected Packages:

libvirt

Issue Correction:
Run yum update libvirt to update your system.

New Packages:

aarch64:
    libvirt-4.5.0-23.amzn2.aarch64
    libvirt-docs-4.5.0-23.amzn2.aarch64
    libvirt-daemon-4.5.0-23.amzn2.aarch64
    libvirt-daemon-config-network-4.5.0-23.amzn2.aarch64
    libvirt-daemon-config-nwfilter-4.5.0-23.amzn2.aarch64
    libvirt-daemon-driver-network-4.5.0-23.amzn2.aarch64
    libvirt-daemon-driver-nwfilter-4.5.0-23.amzn2.aarch64
    libvirt-daemon-driver-nodedev-4.5.0-23.amzn2.aarch64
    libvirt-daemon-driver-interface-4.5.0-23.amzn2.aarch64
    libvirt-daemon-driver-secret-4.5.0-23.amzn2.aarch64
    libvirt-daemon-driver-storage-core-4.5.0-23.amzn2.aarch64
    libvirt-daemon-driver-storage-logical-4.5.0-23.amzn2.aarch64
    libvirt-daemon-driver-storage-disk-4.5.0-23.amzn2.aarch64
    libvirt-daemon-driver-storage-scsi-4.5.0-23.amzn2.aarch64
    libvirt-daemon-driver-storage-iscsi-4.5.0-23.amzn2.aarch64
    libvirt-daemon-driver-storage-mpath-4.5.0-23.amzn2.aarch64
    libvirt-daemon-driver-storage-4.5.0-23.amzn2.aarch64
    libvirt-daemon-driver-qemu-4.5.0-23.amzn2.aarch64
    libvirt-daemon-driver-lxc-4.5.0-23.amzn2.aarch64
    libvirt-daemon-kvm-4.5.0-23.amzn2.aarch64
    libvirt-daemon-lxc-4.5.0-23.amzn2.aarch64
    libvirt-client-4.5.0-23.amzn2.aarch64
    libvirt-libs-4.5.0-23.amzn2.aarch64
    libvirt-admin-4.5.0-23.amzn2.aarch64
    libvirt-bash-completion-4.5.0-23.amzn2.aarch64
    libvirt-login-shell-4.5.0-23.amzn2.aarch64
    libvirt-devel-4.5.0-23.amzn2.aarch64
    libvirt-lock-sanlock-4.5.0-23.amzn2.aarch64
    libvirt-nss-4.5.0-23.amzn2.aarch64
    libvirt-debuginfo-4.5.0-23.amzn2.aarch64

i686:
    libvirt-4.5.0-23.amzn2.i686
    libvirt-docs-4.5.0-23.amzn2.i686
    libvirt-daemon-4.5.0-23.amzn2.i686
    libvirt-daemon-config-network-4.5.0-23.amzn2.i686
    libvirt-daemon-config-nwfilter-4.5.0-23.amzn2.i686
    libvirt-daemon-driver-network-4.5.0-23.amzn2.i686
    libvirt-daemon-driver-nwfilter-4.5.0-23.amzn2.i686
    libvirt-daemon-driver-nodedev-4.5.0-23.amzn2.i686
    libvirt-daemon-driver-interface-4.5.0-23.amzn2.i686
    libvirt-daemon-driver-secret-4.5.0-23.amzn2.i686
    libvirt-daemon-driver-storage-core-4.5.0-23.amzn2.i686
    libvirt-daemon-driver-storage-logical-4.5.0-23.amzn2.i686
    libvirt-daemon-driver-storage-disk-4.5.0-23.amzn2.i686
    libvirt-daemon-driver-storage-scsi-4.5.0-23.amzn2.i686
    libvirt-daemon-driver-storage-iscsi-4.5.0-23.amzn2.i686
    libvirt-daemon-driver-storage-mpath-4.5.0-23.amzn2.i686
    libvirt-daemon-driver-storage-4.5.0-23.amzn2.i686
    libvirt-daemon-driver-lxc-4.5.0-23.amzn2.i686
    libvirt-daemon-lxc-4.5.0-23.amzn2.i686
    libvirt-client-4.5.0-23.amzn2.i686
    libvirt-libs-4.5.0-23.amzn2.i686
    libvirt-admin-4.5.0-23.amzn2.i686
    libvirt-bash-completion-4.5.0-23.amzn2.i686
    libvirt-login-shell-4.5.0-23.amzn2.i686
    libvirt-devel-4.5.0-23.amzn2.i686
    libvirt-nss-4.5.0-23.amzn2.i686
    libvirt-debuginfo-4.5.0-23.amzn2.i686

src:
    libvirt-4.5.0-23.amzn2.src

x86_64:
    libvirt-4.5.0-23.amzn2.x86_64
    libvirt-docs-4.5.0-23.amzn2.x86_64
    libvirt-daemon-4.5.0-23.amzn2.x86_64
    libvirt-daemon-config-network-4.5.0-23.amzn2.x86_64
    libvirt-daemon-config-nwfilter-4.5.0-23.amzn2.x86_64
    libvirt-daemon-driver-network-4.5.0-23.amzn2.x86_64
    libvirt-daemon-driver-nwfilter-4.5.0-23.amzn2.x86_64
    libvirt-daemon-driver-nodedev-4.5.0-23.amzn2.x86_64
    libvirt-daemon-driver-interface-4.5.0-23.amzn2.x86_64
    libvirt-daemon-driver-secret-4.5.0-23.amzn2.x86_64
    libvirt-daemon-driver-storage-core-4.5.0-23.amzn2.x86_64
    libvirt-daemon-driver-storage-logical-4.5.0-23.amzn2.x86_64
    libvirt-daemon-driver-storage-disk-4.5.0-23.amzn2.x86_64
    libvirt-daemon-driver-storage-scsi-4.5.0-23.amzn2.x86_64
    libvirt-daemon-driver-storage-iscsi-4.5.0-23.amzn2.x86_64
    libvirt-daemon-driver-storage-mpath-4.5.0-23.amzn2.x86_64
    libvirt-daemon-driver-storage-gluster-4.5.0-23.amzn2.x86_64
    libvirt-daemon-driver-storage-rbd-4.5.0-23.amzn2.x86_64
    libvirt-daemon-driver-storage-4.5.0-23.amzn2.x86_64
    libvirt-daemon-driver-qemu-4.5.0-23.amzn2.x86_64
    libvirt-daemon-driver-lxc-4.5.0-23.amzn2.x86_64
    libvirt-daemon-kvm-4.5.0-23.amzn2.x86_64
    libvirt-daemon-lxc-4.5.0-23.amzn2.x86_64
    libvirt-client-4.5.0-23.amzn2.x86_64
    libvirt-libs-4.5.0-23.amzn2.x86_64
    libvirt-admin-4.5.0-23.amzn2.x86_64
    libvirt-bash-completion-4.5.0-23.amzn2.x86_64
    libvirt-login-shell-4.5.0-23.amzn2.x86_64
    libvirt-devel-4.5.0-23.amzn2.x86_64
    libvirt-lock-sanlock-4.5.0-23.amzn2.x86_64
    libvirt-nss-4.5.0-23.amzn2.x86_64
    libvirt-debuginfo-4.5.0-23.amzn2.x86_64

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