OESA-2021-1218

    Dashboard / Vulnerabilities / OESA-2021-1218

    OESA-2021-1218

    Published: 12 Jun 2021Last Modified: 18 Aug 2026
    Upstream:
    CVE-2021-20181

    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)

    References: https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1218, https://nvd.nist.gov/vuln/detail/CVE-2021-20181

    Affected packages

    Package

    Name: qemu

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.1.0-47.oe1

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    OESA-2021-1218 | CVE-DB