Amazon Linux 2 Security Advisory: ALAS-2023-2060
Advisory Release Date: 2023-05-25 17:41 Pacific
Advisory Updated Date: 2023-06-01 23:37 Pacific
Severity:
Low
Issue Overview:
An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits (tx) descriptors in process_tx_desc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability. (CVE-2021-20257)
Affected Packages:
qemu
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update qemu to update your system.
New Packages:
aarch64:
qemu-3.1.0-8.amzn2.0.9.aarch64
qemu-common-3.1.0-8.amzn2.0.9.aarch64
qemu-guest-agent-3.1.0-8.amzn2.0.9.aarch64
qemu-img-3.1.0-8.amzn2.0.9.aarch64
ivshmem-tools-3.1.0-8.amzn2.0.9.aarch64
qemu-block-curl-3.1.0-8.amzn2.0.9.aarch64
qemu-block-dmg-3.1.0-8.amzn2.0.9.aarch64
qemu-block-iscsi-3.1.0-8.amzn2.0.9.aarch64
qemu-block-nfs-3.1.0-8.amzn2.0.9.aarch64
qemu-block-rbd-3.1.0-8.amzn2.0.9.aarch64
qemu-block-ssh-3.1.0-8.amzn2.0.9.aarch64
qemu-audio-alsa-3.1.0-8.amzn2.0.9.aarch64
qemu-audio-oss-3.1.0-8.amzn2.0.9.aarch64
qemu-audio-pa-3.1.0-8.amzn2.0.9.aarch64
qemu-audio-sdl-3.1.0-8.amzn2.0.9.aarch64
qemu-ui-curses-3.1.0-8.amzn2.0.9.aarch64
qemu-ui-gtk-3.1.0-8.amzn2.0.9.aarch64
qemu-ui-sdl-3.1.0-8.amzn2.0.9.aarch64
qemu-kvm-3.1.0-8.amzn2.0.9.aarch64
qemu-kvm-core-3.1.0-8.amzn2.0.9.aarch64
qemu-user-3.1.0-8.amzn2.0.9.aarch64
qemu-user-binfmt-3.1.0-8.amzn2.0.9.aarch64
qemu-user-static-3.1.0-8.amzn2.0.9.aarch64
qemu-system-aarch64-3.1.0-8.amzn2.0.9.aarch64
qemu-system-aarch64-core-3.1.0-8.amzn2.0.9.aarch64
qemu-system-x86-3.1.0-8.amzn2.0.9.aarch64
qemu-system-x86-core-3.1.0-8.amzn2.0.9.aarch64
qemu-debuginfo-3.1.0-8.amzn2.0.9.aarch64
i686:
qemu-3.1.0-8.amzn2.0.9.i686
qemu-common-3.1.0-8.amzn2.0.9.i686
qemu-guest-agent-3.1.0-8.amzn2.0.9.i686
qemu-img-3.1.0-8.amzn2.0.9.i686
ivshmem-tools-3.1.0-8.amzn2.0.9.i686
qemu-block-curl-3.1.0-8.amzn2.0.9.i686
qemu-block-dmg-3.1.0-8.amzn2.0.9.i686
qemu-block-iscsi-3.1.0-8.amzn2.0.9.i686
qemu-block-nfs-3.1.0-8.amzn2.0.9.i686
qemu-block-ssh-3.1.0-8.amzn2.0.9.i686
qemu-audio-alsa-3.1.0-8.amzn2.0.9.i686
qemu-audio-oss-3.1.0-8.amzn2.0.9.i686
qemu-audio-pa-3.1.0-8.amzn2.0.9.i686
qemu-audio-sdl-3.1.0-8.amzn2.0.9.i686
qemu-ui-curses-3.1.0-8.amzn2.0.9.i686
qemu-ui-gtk-3.1.0-8.amzn2.0.9.i686
qemu-ui-sdl-3.1.0-8.amzn2.0.9.i686
qemu-kvm-3.1.0-8.amzn2.0.9.i686
qemu-kvm-core-3.1.0-8.amzn2.0.9.i686
qemu-user-3.1.0-8.amzn2.0.9.i686
qemu-user-binfmt-3.1.0-8.amzn2.0.9.i686
qemu-user-static-3.1.0-8.amzn2.0.9.i686
qemu-system-aarch64-3.1.0-8.amzn2.0.9.i686
qemu-system-aarch64-core-3.1.0-8.amzn2.0.9.i686
qemu-system-x86-3.1.0-8.amzn2.0.9.i686
qemu-system-x86-core-3.1.0-8.amzn2.0.9.i686
qemu-debuginfo-3.1.0-8.amzn2.0.9.i686
src:
qemu-3.1.0-8.amzn2.0.9.src
x86_64:
qemu-3.1.0-8.amzn2.0.9.x86_64
qemu-common-3.1.0-8.amzn2.0.9.x86_64
qemu-guest-agent-3.1.0-8.amzn2.0.9.x86_64
qemu-img-3.1.0-8.amzn2.0.9.x86_64
ivshmem-tools-3.1.0-8.amzn2.0.9.x86_64
qemu-block-curl-3.1.0-8.amzn2.0.9.x86_64
qemu-block-dmg-3.1.0-8.amzn2.0.9.x86_64
qemu-block-iscsi-3.1.0-8.amzn2.0.9.x86_64
qemu-block-nfs-3.1.0-8.amzn2.0.9.x86_64
qemu-block-rbd-3.1.0-8.amzn2.0.9.x86_64
qemu-block-ssh-3.1.0-8.amzn2.0.9.x86_64
qemu-audio-alsa-3.1.0-8.amzn2.0.9.x86_64
qemu-audio-oss-3.1.0-8.amzn2.0.9.x86_64
qemu-audio-pa-3.1.0-8.amzn2.0.9.x86_64
qemu-audio-sdl-3.1.0-8.amzn2.0.9.x86_64
qemu-ui-curses-3.1.0-8.amzn2.0.9.x86_64
qemu-ui-gtk-3.1.0-8.amzn2.0.9.x86_64
qemu-ui-sdl-3.1.0-8.amzn2.0.9.x86_64
qemu-kvm-3.1.0-8.amzn2.0.9.x86_64
qemu-kvm-core-3.1.0-8.amzn2.0.9.x86_64
qemu-user-3.1.0-8.amzn2.0.9.x86_64
qemu-user-binfmt-3.1.0-8.amzn2.0.9.x86_64
qemu-user-static-3.1.0-8.amzn2.0.9.x86_64
qemu-system-aarch64-3.1.0-8.amzn2.0.9.x86_64
qemu-system-aarch64-core-3.1.0-8.amzn2.0.9.x86_64
qemu-system-x86-3.1.0-8.amzn2.0.9.x86_64
qemu-system-x86-core-3.1.0-8.amzn2.0.9.x86_64
qemu-debuginfo-3.1.0-8.amzn2.0.9.x86_64