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    CVE-2017-14340

    The XFS_IS_REALTIME_INODE macro in fs/xfs/xfs_linux.h in the Linux kernel before 4.13.2 does not verify that a filesystem has a realtime device, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via vectors related to setting an RHINHERIT flag on a directory.

    Published:Sep 13, 2017
    Last Modified:Apr 20, 2025
    EPS:Sep 15, 2017
    EPSS Score:0.00039
    CVSS Score:5.5

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Mrg

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b31ff3cdf540110da4572e3e29bd172087af65cc
    http://seclists.org/oss-sec/2017/q3/436
    http://www.debian.org/security/2017/dsa-3981
    http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.2
    http://www.securityfocus.com/bid/100851
    https://access.redhat.com/errata/RHSA-2017:2918
    https://bugzilla.redhat.com/show_bug.cgi?id=1491344
    https://github.com/torvalds/linux/commit/b31ff3cdf540110da4572e3e29bd172087af65cc
    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b31ff3cdf540110da4572e3e29bd172087af65cc
    http://seclists.org/oss-sec/2017/q3/436
    http://www.debian.org/security/2017/dsa-3981
    http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.2
    http://www.securityfocus.com/bid/100851
    https://access.redhat.com/errata/RHSA-2017:2918
    https://bugzilla.redhat.com/show_bug.cgi?id=1491344
    https://github.com/torvalds/linux/commit/b31ff3cdf540110da4572e3e29bd172087af65cc

    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