UBUNTU-CVE-2023-53722

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    UBUNTU-CVE-2023-53722

    Published: 22 Oct 2025Last Modified: 8 Oct 2026
    Upstream:
    CVE-2023-53722

    Summary:

    Details: In the Linux kernel, the following vulnerability has been resolved: md: raid1: fix potential OOB in raid1_remove_disk() If rddev->raid_disk is greater than mddev->raid_disks, there will be an out-of-bounds in raid1_remove_disk(). We have already found similar reports as follows: 1) commit d17f744e883b ("md-raid10: fix KASAN warning") 2) commit 1ebc2cec0b7d ("dm raid: fix KASAN warning in raid5_remove_disk") Fix this bug by checking whether the "number" variable is valid.

    References: https://ubuntu.com/security/CVE-2023-53722, https://www.cve.org/CVERecord?id=CVE-2023-53722, https://git.kernel.org/linus/8b0472b50bcf0f19a5119b00a53b63579c8e1e4d, https://git.kernel.org/stable/c/25a68f2286be56fb3a6f9fa0e269c04b5e6c6e24, https://git.kernel.org/stable/c/4bdb92eaf645e312975357adc3c4e9523b6e67f1, https://git.kernel.org/stable/c/4f7d853b4590fc20e90dd50e346c02811a8c5b08, https://git.kernel.org/stable/c/4f96c0665f9f4cf70130c9757750dc43dc679c82, https://git.kernel.org/stable/c/7993cfc041481a3a9cd4a3858088fc846b8ccaf7, https://git.kernel.org/stable/c/8b0472b50bcf0f19a5119b00a53b63579c8e1e4d, https://git.kernel.org/stable/c/91fbd4e75cb573f44d2619a9dc2f9ba927040760, https://git.kernel.org/stable/c/beedf40f73939f248c81802eda08a2a8148ea13e

    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-2023-53722 | CVE-DB