CVE-2017-16939

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    CVE-2017-16939

    Published: 24 Nov 2017Last Modified: 16 Apr 2026

    Summary:

    Details: The XFRM dump policy implementation in net/xfrm/xfrm_user.c in the Linux kernel before 4.13.11 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages.

    References: http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html, http://www.securityfocus.com/bid/101954, https://access.redhat.com/errata/RHSA-2018:1355, https://access.redhat.com/errata/RHSA-2019:1170, https://access.redhat.com/errata/RHSA-2019:1190, http://seclists.org/fulldisclosure/2017/Nov/40, https://access.redhat.com/errata/RHSA-2018:1318, https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html, https://www.debian.org/security/2018/dsa-4082, https://bugzilla.suse.com/show_bug.cgi?id=1069702, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1137b5e2529a8f5ca8ee709288ecba3e68044df2, https://blogs.securiteam.com/index.php/archives/3535, https://github.com/torvalds/linux/commit/1137b5e2529a8f5ca8ee709288ecba3e68044df2, http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11

    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-2017-16939 | CVE-DB