CVE-2020-36385

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    CVE-2020-36385

    Published: 7 Jun 2021Last Modified: 15 Mar 2026

    Summary:

    Details: An issue was discovered in the Linux kernel before 5.10. drivers/infiniband/core/ucma.c has a use-after-free because the ctx is reached via the ctx_list in some ucma_migrate_id situations where ucma_close is called, aka CID-f5449e74802c.

    References: https://www.starwindsoftware.com/security/sw-20220802-0002/, https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10, https://security.netapp.com/advisory/ntap-20210720-0004/, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f5449e74802c1112dea984aec8af7a33c4516af1, https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-ucma_close-2, https://syzkaller.appspot.com/bug?id=457491c4672d7b52c1007db213d93e47c711fae6

    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-2020-36385 | CVE-DB