CVE-2014-9710

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.

• CWE-362

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5f5bc6b1e2d5a6f827bc860ef2dc5b6f365d1339Broken Link, Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00009.htmlMailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2015/03/24/11Mailing List
• http://www.securitytracker.com/id/1032418Broken Link, Third Party Advisory, VDB Entry
• https://bugzilla.redhat.com/show_bug.cgi?id=1205079Issue Tracking, Third Party Advisory
• https://github.com/torvalds/linux/commit/5f5bc6b1e2d5a6f827bc860ef2dc5b6f365d1339Patch
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5f5bc6b1e2d5a6f827bc860ef2dc5b6f365d1339Broken Link, Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00009.htmlMailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2015/03/24/11Mailing List
• http://www.securitytracker.com/id/1032418Broken Link, Third Party Advisory, VDB Entry
• https://bugzilla.redhat.com/show_bug.cgi?id=1205079Issue Tracking, Third Party Advisory
• https://github.com/torvalds/linux/commit/5f5bc6b1e2d5a6f827bc860ef2dc5b6f365d1339Patch

Published

May 27, 2015

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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