CVE-2016-6198
First published: Tue Jul 12 2016(Updated: )
It was found that the vfs_rename() function did not detect hard links on overlayfs. A local, unprivileged user could use the rename syscall on overlayfs on top of xfs to crash the system. Upstream patches: <a href="https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54d5ca871e72f2bb172ec9323497f01cd5091ec7">https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54d5ca871e72f2bb172ec9323497f01cd5091ec7</a> <a href="https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca">https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca</a> CVE assignment: <a href="http://seclists.org/oss-sec/2016/q3/42">http://seclists.org/oss-sec/2016/q3/42</a>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <=4.5.4 | |
| Oracle Linux | =6 | |
| Oracle VM Server | =3.4 |
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Reference Links
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54d5ca871e72f2bb172ec9323497f01cd5091ec7
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca
- http://rhn.redhat.com/errata/RHSA-2016-1847.html
- http://rhn.redhat.com/errata/RHSA-2016-1875.html
- http://rhn.redhat.com/errata/RHSA-2016-2574.html
- http://rhn.redhat.com/errata/RHSA-2016-2584.html
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5
- http://www.openwall.com/lists/oss-security/2016/07/11/8
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securityfocus.com/bid/91709
- http://www.securitytracker.com/id/1036273
- https://bugzilla.redhat.com/show_bug.cgi?id=1355654
- https://github.com/torvalds/linux/commit/54d5ca871e72f2bb172ec9323497f01cd5091ec7
- https://github.com/torvalds/linux/commit/9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54d5ca871e72f2bb172ec9323497f01cd5091ec7
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca
- http://seclists.org/oss-sec/2016/q3/42
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1355655
- https://rhn.redhat.com/errata/RHSA-2016-2574.html
- https://rhn.redhat.com/errata/RHSA-2016-2584.html
- collector/nvd-index
- agent/weakness
- agent/author
- agent/type
- agent/event
- agent/remedy
- agent/softwarecombine
- agent/first-publish-date
- agent/severity
- agent/description
- agent/last-modified-date
- agent/references
- agent/tags
- collector/mitre-cve
- source/MITRE
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2016-6198
- vendor/linux
- canonical/linux linux kernel
- version/linux linux kernel/4.5.4
- vendor/oracle
- canonical/oracle linux
- version/oracle linux/6
- canonical/oracle vm server
- version/oracle vm server/3.4