OESA-2021-1218

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Source

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1218

Import Source

https://repo.openeuler.org/security/data/osv/OESA-2021-1218.json

JSON Data

https://api.test.osv.dev/v1/vulns/OESA-2021-1218

Upstream

CVE-2021-20181

Published

2021-06-12T11:02:57Z

Modified

2025-08-12T05:06:55.020686Z

Summary

qemu security update

Details

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)

Database specific

{
    "severity": "High"
}

References

Affected packages

openEuler:20.03-LTS-SP1 / qemu

Package

Name: qemu
Purl: pkg:rpm/openEuler/qemu&distro=openEuler-20.03-LTS-SP1

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.1.0-47.oe1

Ecosystem specific

{
    "src": [
        "qemu-4.1.0-47.oe1.src.rpm"
    ],
    "noarch": [
        "qemu-help-4.1.0-47.oe1.noarch.rpm"
    ],
    "aarch64": [
        "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"
    ],
    "x86_64": [
        "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"
    ]
}