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    CVE-2020-29369

    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.

    Published:Jul 24, 2020
    Last Modified:Nov 21, 2024
    EPS:Nov 28, 2020
    EPSS Score:0.00079
    CVSS Score:7

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Netapp
    Product
    Hci Compute Node
    Vendor
    Netapp
    Product
    Hci Management Node
    Vendor
    Netapp
    Product
    Hci Storage Node
    Vendor
    Netapp
    Product
    Solidfire

    Exploits

    https://bugs.chromium.org/p/project-zero/issues/detail?id=2056https://bugs.chromium.org/p/project-zero/issues/detail?id=2056

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    References

    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://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c
    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://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c
    https://security.netapp.com/advisory/ntap-20210115-0001/

    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