CVE-2020-29369

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    CVE-2020-29369

    Published: 28 Nov 2020Last Modified: 15 Mar 2026

    Summary:

    Details: An issue was discovered in mm/mmap.c in the Linux kernel before 5.7.11. There is a race condition between certain expand functions (expand_downwards and expand_upwards) and page-table free operations from an munmap call, aka CID-246c320a8cfe.

    References: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11, https://security.netapp.com/advisory/ntap-20210115-0001/, http://www.openwall.com/lists/oss-security/2021/02/10/6, http://www.openwall.com/lists/oss-security/2021/02/19/8, https://bugs.chromium.org/p/project-zero/issues/detail?id=2056, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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-2020-29369 | CVE-DB