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    CVE-2014-8086

    Race condition in the ext4_file_write_iter function in fs/ext4/file.c in the Linux kernel through 3.17 allows local users to cause a denial of service (file unavailability) via a combination of a write action and an F_SETFL fcntl operation for the O_DIRECT flag.

    Published:Oct 9, 2014
    Last Modified:Apr 12, 2025
    EPS:Oct 13, 2014
    EPSS Score:0.00036
    CVSS Score:4.7

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Mrg
    Vendor
    Suse
    Product
    Suse Linux Enterprise Server

    Exploits

    http://www.spinics.net/lists/linux-ext4/msg45683.htmlhttps://lkml.org/lkml/2014/10/8/545https://lkml.org/lkml/2014/10/9/129http://www.spinics.net/lists/linux-ext4/msg45683.htmlhttps://lkml.org/lkml/2014/10/8/545https://lkml.org/lkml/2014/10/9/129

    Related CVEs

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    CVE-2026-80923 — In the Linux kernel, the following vulnerability has been resolved: xhci: dbgtty: Fix unregister on tty_regis…
    CVE-2026-80922 — In the Linux kernel, the following vulnerability has been resolved: crypto: qcom-rng - Allow zero as a random…
    CVE-2026-80921 (CVSS 8.8) — In the Linux kernel, the following vulnerability has been resolved: KVM: s390: vsie: zero stale crypto bits …
    CVE-2026-80920 — In the Linux kernel, the following vulnerability has been resolved: io_uring: defer eventfd signaling when qu…
    CVE-2026-80919 — In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix recursive ww_mutex acquir…
    CVE-2026-80918 — In the Linux kernel, the following vulnerability has been resolved: HID: core: fix number/pointer type confus…
    CVE-2026-80917 — In the Linux kernel, the following vulnerability has been resolved: PCI: host-generic: Fix NULL pointer deref…
    CVE-2026-80916 — In the Linux kernel, the following vulnerability has been resolved: kcov: fix data corruption and race condit…

    References

    http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html
    http://rhn.redhat.com/errata/RHSA-2015-0290.html
    http://rhn.redhat.com/errata/RHSA-2015-0694.html
    http://www.openwall.com/lists/oss-security/2014/10/09/25
    http://www.securityfocus.com/bid/70376
    http://www.spinics.net/lists/linux-ext4/msg45683.html
    http://www.spinics.net/lists/linux-ext4/msg45685.html
    https://bugzilla.redhat.com/show_bug.cgi?id=1151353
    https://exchange.xforce.ibmcloud.com/vulnerabilities/96922
    https://lkml.org/lkml/2014/10/8/545
    https://lkml.org/lkml/2014/10/9/129
    http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html
    http://rhn.redhat.com/errata/RHSA-2015-0290.html
    http://rhn.redhat.com/errata/RHSA-2015-0694.html
    http://www.openwall.com/lists/oss-security/2014/10/09/25
    http://www.securityfocus.com/bid/70376
    http://www.spinics.net/lists/linux-ext4/msg45683.html
    http://www.spinics.net/lists/linux-ext4/msg45685.html
    https://bugzilla.redhat.com/show_bug.cgi?id=1151353
    https://exchange.xforce.ibmcloud.com/vulnerabilities/96922
    https://lkml.org/lkml/2014/10/8/545
    https://lkml.org/lkml/2014/10/9/129

    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