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