CVE-2021-29626

    Dashboard / Vulnerabilities / CVE-2021-29626

    CVE-2021-29626

    Published: 7 Apr 2021Last Modified: 4 Jun 2024

    Summary:

    Details: In FreeBSD 13.0-STABLE before n245117, 12.2-STABLE before r369551, 11.4-STABLE before r369559, 13.0-RC5 before p1, 12.2-RELEASE before p6, and 11.4-RELEASE before p9, copy-on-write logic failed to invalidate shared memory page mappings between multiple processes allowing an unprivileged process to maintain a mapping after it is freed, allowing the process to read private data belonging to other processes or the kernel.

    References: https://security.FreeBSD.org/advisories/FreeBSD-SA-21:08.vm.asc, https://security.netapp.com/advisory/ntap-20210423-0008/

    Affected packages

    Package

    Name: kfreebsd-10

    Purl: pkg:deb/debian/kfreebsd-10?arch=source

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    10.3~svn300087+ds1-1

    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
    CVE-2021-29626 | CVE-DB