UBUNTU-CVE-2021-27364

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    UBUNTU-CVE-2021-27364

    Published: 7 Mar 2021Last Modified: 9 Sept 2026
    Upstream:
    CVE-2021-27364
    Aliases:
    USN-4883-1
    USN-4887-1
    USN-4889-1

    Summary:

    Details: An issue was discovered in the Linux kernel through 5.11.3. drivers/scsi/scsi_transport_iscsi.c is adversely affected by the ability of an unprivileged user to craft Netlink messages.

    References: https://ubuntu.com/security/CVE-2021-27364, https://git.kernel.org/linus/688e8128b7a92df982709a4137ea4588d16f24aa, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=688e8128b7a92df982709a4137ea4588d16f24aa, https://www.openwall.com/lists/oss-security/2021/03/06/1, https://github.com/grimm-co/NotQuite0DayFriday/tree/trunk/2021.03.12-linux-iscsi, https://ubuntu.com/security/notices/USN-4883-1, https://ubuntu.com/security/notices/USN-4887-1, https://ubuntu.com/security/notices/USN-4889-1, https://ubuntu.com/security/notices/USN-4901-1, https://www.cve.org/CVERecord?id=CVE-2021-27364

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/linux?arch=source&distro=trusty%2Fesm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.13.0-185.236

    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-2021-27364 | CVE-DB