UBUNTU-CVE-2024-26774

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    UBUNTU-CVE-2024-26774

    Published: 3 Apr 2024Last Modified: 8 Oct 2026
    Upstream:
    CVE-2024-26774
    Aliases:
    USN-6820-1
    USN-6820-2
    USN-6821-1

    Summary:

    Details: In the Linux kernel, the following vulnerability has been resolved: ext4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt Determine if bb_fragments is 0 instead of determining bb_free to eliminate the risk of dividing by zero when the block bitmap is corrupted.

    References: https://ubuntu.com/security/CVE-2024-26774, https://git.kernel.org/linus/993bf0f4c393b3667830918f9247438a8f6fdb5b, https://git.kernel.org/stable/c/687061cfaa2ac3095170e136dd9c29a4974f41d4, https://git.kernel.org/stable/c/8b40eb2e716b503f7a4e1090815a17b1341b2150, https://git.kernel.org/stable/c/f32d2a745b02123258026e105a008f474f896d6a, https://git.kernel.org/stable/c/8cf9cc602cfb40085967c0d140e32691c8b71cf3, https://git.kernel.org/stable/c/993bf0f4c393b3667830918f9247438a8f6fdb5b, https://www.cve.org/CVERecord?id=CVE-2024-26774, https://ubuntu.com/security/notices/USN-6820-1, https://ubuntu.com/security/notices/USN-6821-1, https://ubuntu.com/security/notices/USN-6821-2, https://ubuntu.com/security/notices/USN-6828-1, https://ubuntu.com/security/notices/USN-6820-2, https://ubuntu.com/security/notices/USN-6821-3, https://ubuntu.com/security/notices/USN-6821-4, https://ubuntu.com/security/notices/USN-6871-1, https://ubuntu.com/security/notices/USN-6892-1, https://ubuntu.com/security/notices/USN-6919-1

    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-2024-26774 | CVE-DB