vulnerability

Amazon Linux AMI 2: CVE-2021-20257: Security patch for qemu (ALAS-2023-2060)

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Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
Mar 16, 2022
Added
Jun 6, 2023
Modified
Jun 6, 2023

Description

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.

Solution(s)

amazon-linux-ami-2-upgrade-ivshmem-toolsamazon-linux-ami-2-upgrade-qemuamazon-linux-ami-2-upgrade-qemu-audio-alsaamazon-linux-ami-2-upgrade-qemu-audio-ossamazon-linux-ami-2-upgrade-qemu-audio-paamazon-linux-ami-2-upgrade-qemu-audio-sdlamazon-linux-ami-2-upgrade-qemu-block-curlamazon-linux-ami-2-upgrade-qemu-block-dmgamazon-linux-ami-2-upgrade-qemu-block-iscsiamazon-linux-ami-2-upgrade-qemu-block-nfsamazon-linux-ami-2-upgrade-qemu-block-rbdamazon-linux-ami-2-upgrade-qemu-block-sshamazon-linux-ami-2-upgrade-qemu-commonamazon-linux-ami-2-upgrade-qemu-debuginfoamazon-linux-ami-2-upgrade-qemu-guest-agentamazon-linux-ami-2-upgrade-qemu-imgamazon-linux-ami-2-upgrade-qemu-kvmamazon-linux-ami-2-upgrade-qemu-kvm-coreamazon-linux-ami-2-upgrade-qemu-system-aarch64amazon-linux-ami-2-upgrade-qemu-system-aarch64-coreamazon-linux-ami-2-upgrade-qemu-system-x86amazon-linux-ami-2-upgrade-qemu-system-x86-coreamazon-linux-ami-2-upgrade-qemu-ui-cursesamazon-linux-ami-2-upgrade-qemu-ui-gtkamazon-linux-ami-2-upgrade-qemu-ui-sdlamazon-linux-ami-2-upgrade-qemu-useramazon-linux-ami-2-upgrade-qemu-user-binfmtamazon-linux-ami-2-upgrade-qemu-user-static

References

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