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CVE-2016-6198

Published: Aug 6, 2016

Modified: Aug 6, 2024

PUBLISHED

Description

The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows local users to cause a denial of service (system crash) via a rename system call, related to fs/namei.c and fs/open.c.

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

References

http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html

x_refsource_CONFIRM

http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html

x_refsource_CONFIRM

vendor-advisory

x_refsource_REDHAT

https://github.com/torvalds/linux/commit/9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca

x_refsource_CONFIRM

vendor-advisory

x_refsource_REDHAT

vdb-entry

x_refsource_BID

vendor-advisory

x_refsource_REDHAT

vendor-advisory

x_refsource_REDHAT

vdb-entry

x_refsource_SECTRACK

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca

x_refsource_CONFIRM

https://github.com/torvalds/linux/commit/54d5ca871e72f2bb172ec9323497f01cd5091ec7

x_refsource_CONFIRM

[oss-security] 20160711 Re: cvs request: local DoS using rename syscall on overlayfs on top of xfs to crash the kernel - Linux kernel

mailing-list

x_refsource_MLIST

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5

x_refsource_CONFIRM

https://bugzilla.redhat.com/show_bug.cgi?id=1355654

x_refsource_CONFIRM

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54d5ca871e72f2bb172ec9323497f01cd5091ec7

x_refsource_CONFIRM

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