CVE-2014-9710

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    CVE-2014-9710

    Published: 27 May 2015Last Modified: 10 Apr 2026

    Summary:

    Details: The Btrfs implementation in the Linux kernel before 3.19 does not ensure that the visible xattr state is consistent with a requested replacement, which allows local users to bypass intended ACL settings and gain privileges via standard filesystem operations (1) during an xattr-replacement time window, related to a race condition, or (2) after an xattr-replacement attempt that fails because the data does not fit.

    References: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5f5bc6b1e2d5a6f827bc860ef2dc5b6f365d1339, http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html, http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00009.html, http://www.securitytracker.com/id/1032418, https://bugzilla.redhat.com/show_bug.cgi?id=1205079, http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html, http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00009.html, http://www.openwall.com/lists/oss-security/2015/03/24/11, https://github.com/torvalds/linux/commit/5f5bc6b1e2d5a6f827bc860ef2dc5b6f365d1339, https://bugzilla.redhat.com/show_bug.cgi?id=1205079, http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5f5bc6b1e2d5a6f827bc860ef2dc5b6f365d1339, http://www.securitytracker.com/id/1032418

    Affected packages

    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-2014-9710 | CVE-DB