CVE-2016-6198
Published on: 08/06/2016 12:00:00 AM UTC
Last Modified on: 03/23/2021 11:27:12 PM UTC
Certain versions of Linux Kernel from Linux contain the following vulnerability:
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.
- CVE-2016-6198 has been assigned by
[email protected] to track the vulnerability - currently rated as MEDIUM severity.
CVSS3 Score: 5.5 - MEDIUM
Attack Vector ⓘ |
Attack Complexity |
Privileges Required |
User Interaction |
|
---|---|---|---|---|
LOCAL | LOW | LOW | NONE | |
Scope | Confidentiality Impact |
Integrity Impact |
Availability Impact |
|
UNCHANGED | NONE | NONE | HIGH |
CVSS2 Score: 4.9 - MEDIUM
Access Vector ⓘ |
Access Complexity |
Authentication |
---|---|---|
LOCAL | LOW | NONE |
Confidentiality Impact |
Integrity Impact |
Availability Impact |
NONE | NONE | COMPLETE |
CVE References
Description | Tags ⓘ | Link |
---|---|---|
Bug 1355654 – CVE-2016-6198 kernel: vfs: missing detection of hardlinks in vfs_rename() on overlayfs | Issue Tracking bugzilla.redhat.com text/html |
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oss-security - Re: cvs request: local DoS using rename syscall on overlayfs on top of xfs to crash the kernel - Linux kernel | Exploit Mailing List Third Party Advisory www.openwall.com text/html |
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kernel/git/torvalds/linux.git - Linux kernel source tree | Issue Tracking Patch git.kernel.org text/html |
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Oracle Linux Bulletin - July 2016 | Third Party Advisory web.archive.org text/html Inactive LinkNot Archived |
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Linux Kernel xfsoverlay Rename Bugs Let Local Users Cause Denial of Service Conditions on the Target System - SecurityTracker | www.securitytracker.com text/html |
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Linux Kernel Multiple Denial of Service Vulnerabilities | cve.report (archive) text/html |
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vfs: rename: check backing inode being equal · torvalds/[email protected] · GitHub | Issue Tracking Patch github.com text/html |
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Red Hat Customer Portal | web.archive.org text/html Inactive LinkNot Archived |
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Oracle VM Server for x86 Bulletin - July 2016 | Vendor Advisory web.archive.org text/html Inactive LinkNot Archived |
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vfs: add vfs_select_inode() helper · torvalds/[email protected] · GitHub | Issue Tracking Patch github.com text/html |
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Red Hat Customer Portal | web.archive.org text/html Inactive LinkNot Archived |
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Release Notes www.kernel.org text/plain |
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Red Hat Customer Portal | web.archive.org text/html Inactive LinkNot Archived |
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Red Hat Customer Portal | web.archive.org text/html Inactive LinkNot Archived |
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kernel/git/torvalds/linux.git - Linux kernel source tree | Issue Tracking Patch git.kernel.org text/html |
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There are currently no QIDs associated with this CVE
Known Affected Configurations (CPE V2.3)
Type | Vendor | Product | Version | Update | Edition | Language |
---|---|---|---|---|---|---|
Operating System | Linux | Linux Kernel | All | All | All | All |
Operating System | Oracle | Linux | 6 | All | All | All |
Operating System | Oracle | Linux | 6 | All | All | All |
Application | Oracle | Vm Server | 3.4 | All | All | All |
Application | Oracle | Vm Server | 3.4 | All | All | All |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*:
- cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*:
- cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*:
- cpe:2.3:a:oracle:vm_server:3.4:*:*:*:*:*:*:*:
- cpe:2.3:a:oracle:vm_server:3.4:*:*:*:*:*:*:*:
No vendor comments have been submitted for this CVE