UBUNTU-CVE-2021-47501

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    UBUNTU-CVE-2021-47501

    Published: 24 May 2024Last Modified: 5 Oct 2026
    Upstream:
    CVE-2021-47501
    Aliases:
    USN-7159-1
    USN-7159-2
    USN-7159-3

    Summary:

    Details: In the Linux kernel, the following vulnerability has been resolved: i40e: Fix NULL pointer dereference in i40e_dbg_dump_desc When trying to dump VFs VSI RX/TX descriptors using debugfs there was a crash due to NULL pointer dereference in i40e_dbg_dump_desc. Added a check to i40e_dbg_dump_desc that checks if VSI type is correct for dumping RX/TX descriptors.

    References: https://ubuntu.com/security/CVE-2021-47501, https://www.cve.org/CVERecord?id=CVE-2021-47501, https://git.kernel.org/linus/23ec111bf3549aae37140330c31a16abfc172421, https://git.kernel.org/stable/c/16431e442db248ecd8aa9457cf0a656f1885f56e, https://git.kernel.org/stable/c/23ec111bf3549aae37140330c31a16abfc172421, https://git.kernel.org/stable/c/e5b7fb2198abc50058f1a29c395b004f76ab1c83, https://ubuntu.com/security/notices/USN-7159-1, https://ubuntu.com/security/notices/USN-7159-2, https://ubuntu.com/security/notices/USN-7159-3, https://ubuntu.com/security/notices/USN-7159-4, https://ubuntu.com/security/notices/USN-7159-5, https://ubuntu.com/security/notices/USN-7183-1, https://ubuntu.com/security/notices/USN-7184-1, https://ubuntu.com/security/notices/USN-7185-1, https://ubuntu.com/security/notices/USN-7185-2, https://ubuntu.com/security/notices/USN-7195-1, https://ubuntu.com/security/notices/USN-7195-2

    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-2021-47501 | CVE-DB