The fs_pin implementation in the Linux kernel before 4.0.5 does...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2015-4178
Credits & Attribution
No credits recorded in the NVD database.
References
- http://openwall.com/lists/oss-security/2015/05/29/5
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.5
- https://bugzilla.redhat.com/show_bug.cgi?id=1249849
- http://openwall.com/lists/oss-security/2015/05/29/10
- http://www.openwall.com/lists/oss-security/2015/06/04/5
- https://github.com/torvalds/linux/commit/820f9f147dcce2602eefd9b575bbbd9ea14f0953
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=820f9f147dcce2602eefd9b575bbbd9ea14f0953
More from linux
View All →Affected Vendor
linux
View all reports →Affected Software
Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.