An update for qemu is now available for openEuler-20.03-LTS-SP1 Security Advisory openeuler-security@openeuler.org openEuler security committee openEuler-SA-2021-1218 Final 1.0 1.0 2021-06-12 Initial 2021-06-12 2021-06-12 openEuler SA Tool V1.0 2021-06-12 qemu security update An update for qemu is now available for openEuler-20.03-LTS-SP1. QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed. Security Fix(es): A race condition flaw was found in the 9pfs server implementation of QEMU up to and including 5.2.0. This flaw allows a malicious 9p client to cause a use-after-free error, potentially escalating their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity as well as system availability.(CVE-2021-20181) An update for qemu is now available for openEuler-20.03-LTS-SP1. openEuler Security has rated this update as having a security impact of high. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section. High qemu https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1218 https://openeuler.org/en/security/cve/detail.html?id=CVE-2021-20181 https://nvd.nist.gov/vuln/detail/CVE-2021-20181 openEuler-20.03-LTS-SP1 qemu-4.1.0-47.oe1.aarch64.rpm qemu-block-rbd-4.1.0-47.oe1.aarch64.rpm qemu-debuginfo-4.1.0-47.oe1.aarch64.rpm qemu-guest-agent-4.1.0-47.oe1.aarch64.rpm qemu-img-4.1.0-47.oe1.aarch64.rpm qemu-block-ssh-4.1.0-47.oe1.aarch64.rpm qemu-block-iscsi-4.1.0-47.oe1.aarch64.rpm qemu-debugsource-4.1.0-47.oe1.aarch64.rpm qemu-help-4.1.0-47.oe1.noarch.rpm qemu-4.1.0-47.oe1.src.rpm qemu-block-iscsi-4.1.0-47.oe1.x86_64.rpm qemu-img-4.1.0-47.oe1.x86_64.rpm qemu-block-ssh-4.1.0-47.oe1.x86_64.rpm qemu-guest-agent-4.1.0-47.oe1.x86_64.rpm qemu-seabios-4.1.0-47.oe1.x86_64.rpm qemu-4.1.0-47.oe1.x86_64.rpm qemu-block-rbd-4.1.0-47.oe1.x86_64.rpm qemu-debugsource-4.1.0-47.oe1.x86_64.rpm qemu-debuginfo-4.1.0-47.oe1.x86_64.rpm A race condition flaw was found in the 9pfs server implementation of QEMU up to and including 5.2.0. This flaw allows a malicious 9p client to cause a use-after-free error, potentially escalating their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity as well as system availability. 2021-06-12 CVE-2021-20181 openEuler-20.03-LTS-SP1 High 7.5 AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H qemu security update 2021-06-12 https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1218