CVE - CVE-2015-4178

CVE-ID
CVE-2015-4178	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
The fs_pin implementation in the Linux kernel before 4.0.5 does not ensure the internal consistency of a certain list data structure, which allows local users to cause a denial of service (system crash) by leveraging user-namespace root access for an MNT_DETACH umount2 system call, related to fs/fs_pin.c and include/linux/fs_pin.h.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:[oss-security] 20150529 CVE request Linux kernel: ns: user namespaces panic URL:http://openwall.com/lists/oss-security/2015/05/29/5 MISC:[oss-security] 20150529 Re: CVE request Linux kernel: ns: user namespaces panic URL:http://openwall.com/lists/oss-security/2015/05/29/10 MISC:[oss-security] 20150604 Re: Re: CVE request Linux kernel: ns: user namespaces panic URL:http://www.openwall.com/lists/oss-security/2015/06/04/5 MISC:http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=820f9f147dcce2602eefd9b575bbbd9ea14f0953 URL:http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=820f9f147dcce2602eefd9b575bbbd9ea14f0953 MISC:http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.5 URL:http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.5 MISC:https://bugzilla.redhat.com/show_bug.cgi?id=1249849 URL:https://bugzilla.redhat.com/show_bug.cgi?id=1249849 MISC:https://github.com/torvalds/linux/commit/820f9f147dcce2602eefd9b575bbbd9ea14f0953 URL:https://github.com/torvalds/linux/commit/820f9f147dcce2602eefd9b575bbbd9ea14f0953
Assigning CNA
Red Hat, Inc.
Date Record Created
20150604	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20150604)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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