UBUNTU-CVE-2023-1077

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    UBUNTU-CVE-2023-1077

    Published: 27 Mar 2023Last Modified: 9 Sept 2026
    Upstream:
    CVE-2023-1077
    Aliases:
    USN-6033-1
    USN-6171-1
    USN-6172-1

    Summary:

    Details: In the Linux kernel, pick_next_rt_entity() may return a type confused entry, not detected by the BUG_ON condition, as the confused entry will not be NULL, but list_head.The buggy error condition would lead to a type confused entry with the list head,which would then be used as a type confused sched_rt_entity,causing memory corruption.

    References: https://ubuntu.com/security/CVE-2023-1077, https://git.kernel.org/linus/7c4a5b89a0b5a57a64b601775b296abf77a9fe97, https://seclists.org/oss-sec/2023/q1/126, https://ubuntu.com/security/notices/USN-6033-1, https://ubuntu.com/security/notices/USN-6171-1, https://ubuntu.com/security/notices/USN-6172-1, https://ubuntu.com/security/notices/USN-6185-1, https://ubuntu.com/security/notices/USN-6187-1, https://ubuntu.com/security/notices/USN-6207-1, https://ubuntu.com/security/notices/USN-6222-1, https://ubuntu.com/security/notices/USN-6223-1, https://ubuntu.com/security/notices/USN-6256-1, https://www.cve.org/CVERecord?id=CVE-2023-1077

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/linux?arch=source&distro=esm-infra-legacy%2Ftrusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.11.0-12.19

    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
    UBUNTU-CVE-2023-1077 | CVE-DB