VulnerabilityModified
CVE-2016-6198
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…
MEDIUM 5.5EPSS 0.61%
Does this matter?
Lower severity and a low EPSS score (0.61%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.61% probability · 47th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-284
- Affected
- linux/linux kernel · oracle/linux · oracle/vm server
- Source
- cve@mitre.org
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54d5ca871e72f2bb172ec9323497f01cd5091ec7Issue Tracking, Patch
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3caIssue Tracking, Patch
- 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-4.5.5Release Notes
- http://www.openwall.com/lists/oss-security/2016/07/11/8Exploit, Mailing List, Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlVendor Advisory
- http://www.securityfocus.com/bid/91709
- http://www.securitytracker.com/id/1036273
- https://bugzilla.redhat.com/show_bug.cgi?id=1355654Issue Tracking
- https://github.com/torvalds/linux/commit/54d5ca871e72f2bb172ec9323497f01cd5091ec7Issue Tracking, Patch
- https://github.com/torvalds/linux/commit/9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3caIssue Tracking, Patch
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54d5ca871e72f2bb172ec9323497f01cd5091ec7Issue Tracking, Patch
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3caIssue Tracking, Patch
- 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-4.5.5Release Notes
- http://www.openwall.com/lists/oss-security/2016/07/11/8Exploit, Mailing List, Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlVendor Advisory
- http://www.securityfocus.com/bid/91709
- http://www.securitytracker.com/id/1036273
- https://bugzilla.redhat.com/show_bug.cgi?id=1355654Issue Tracking
- https://github.com/torvalds/linux/commit/54d5ca871e72f2bb172ec9323497f01cd5091ec7Issue Tracking, Patch
- https://github.com/torvalds/linux/commit/9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3caIssue Tracking, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.