The Btrfs implementation in the Linux kernel before 3.19 does...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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/2015-09/msg00009.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1205079
- http://www.securitytracker.com/id/1032418
- http://www.openwall.com/lists/oss-security/2015/03/24/11
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html
- https://github.com/torvalds/linux/commit/5f5bc6b1e2d5a6f827bc860ef2dc5b6f365d1339
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CVSS Vectors
Weaknesses (CWE)
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MITRE ATT&CK TTPs
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