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CVE-2015-4178

Published: May 2, 2016

Modified: Aug 6, 2024

PUBLISHED

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

[oss-security] 20150529 CVE request Linux kernel: ns: user namespaces panic

mailing-list

x_refsource_MLIST

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.5

x_refsource_CONFIRM

https://bugzilla.redhat.com/show_bug.cgi?id=1249849

x_refsource_CONFIRM

[oss-security] 20150529 Re: CVE request Linux kernel: ns: user namespaces panic

mailing-list

x_refsource_MLIST

[oss-security] 20150604 Re: Re: CVE request Linux kernel: ns: user namespaces panic

mailing-list

x_refsource_MLIST

https://github.com/torvalds/linux/commit/820f9f147dcce2602eefd9b575bbbd9ea14f0953

x_refsource_CONFIRM

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=820f9f147dcce2602eefd9b575bbbd9ea14f0953

x_refsource_CONFIRM

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