CVE-2020-35506

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    CVE-2020-35506

    Published: 28 May 2021Last Modified: 8 Jul 2026

    Summary:

    Details: A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service or potential code execution with the privileges of the QEMU process.

    References: http://www.openwall.com/lists/oss-security/2021/04/16/3, https://security.gentoo.org/glsa/202208-27, https://security.netapp.com/advisory/ntap-20210713-0006/, https://www.openwall.com/lists/oss-security/2021/04/16/3, https://bugzilla.redhat.com/show_bug.cgi?id=1909996

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -609d7596524ab204ccd71ef42c9eee4c7c338ea4

    Affected versions

    v6.0.0-rc5
    v6.0.0-rc4
    v6.0.0-rc3
    v6.0.0-rc2
    v6.0.0-rc1
    v6.0.0-rc0

    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
    CVE-2020-35506 | CVE-DB