USN-6533-1

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    USN-6533-1

    Published: 5 Dec 2023Last Modified: 3 Jun 2026

    Summary: linux-oem-6.1 vulnerabilities

    Details: Tom Dohrmann discovered that the Secure Encrypted Virtualization (SEV) implementation for AMD processors in the Linux kernel contained a race condition when accessing MMIO registers. A local attacker in a SEV guest VM could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-46813) It was discovered that the io_uring subsystem in the Linux kernel contained a race condition, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-46862)

    References: https://ubuntu.com/security/notices/USN-6533-1, https://ubuntu.com/security/CVE-2023-46813, https://ubuntu.com/security/CVE-2023-46862

    Affected packages

    Package

    Name: linux-oem-6.1

    Purl: pkg:deb/ubuntu/linux-oem-6.1?arch=source&distro=jammy

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -6.1.0-1027.27

    Affected versions

    6.1.0-1004.4
    6.1.0-1006.6
    6.1.0-1007.7
    6.1.0-1008.8
    6.1.0-1009.9
    6.1.0-1010.10
    6.1.0-1012.12
    6.1.0-1013.13
    6.1.0-1014.14
    6.1.0-1015.15
    6.1.0-1016.16
    6.1.0-1017.17
    6.1.0-1019.19
    6.1.0-1020.20
    6.1.0-1021.21
    6.1.0-1022.22
    6.1.0-1023.23
    6.1.0-1024.24
    6.1.0-1025.25
    6.1.0-1026.26

    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
    USN-6533-1 | CVE-DB