UBUNTU-CVE-2021-28950

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    UBUNTU-CVE-2021-28950

    Published: 20 Mar 2021Last Modified: 9 Sept 2026
    Upstream:
    CVE-2021-28950

    Summary:

    Details: An issue was discovered in fs/fuse/fuse_i.h in the Linux kernel before 5.11.8. A "stall on CPU" can occur because a retry loop continually finds the same bad inode, aka CID-775c5033a0d1.

    References: https://ubuntu.com/security/CVE-2021-28950, https://git.kernel.org/linus/775c5033a0d164622d9d10dd0f0a5531639ed3ed, https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.8, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=775c5033a0d164622d9d10dd0f0a5531639ed3ed, https://lists.fedoraproject.org/archives/list/[email protected]/message/QRTPQE73ANG7D6M4L4PK5ZQDPO4Y2FVD/, https://ubuntu.com/security/notices/USN-4911-1, https://ubuntu.com/security/notices/USN-4982-1, https://ubuntu.com/security/notices/USN-4984-1, https://www.cve.org/CVERecord?id=CVE-2021-28950

    Affected packages

    Package

    Name: linux-hwe-edge

    Purl: pkg:deb/ubuntu/linux-hwe-edge?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    4.8.0-28.30~16.04.1
    4.8.0-30.32~16.04.1
    4.8.0-32.34~16.04.1
    4.8.0-34.36~16.04.1

    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-2021-28950 | CVE-DB