CVE-2016-6197
N/A
Published: August 6, 2016 at 08:00 PM UTC
Updated: June 17, 2026 at 12:50 AM UTC
3 products affected across 2 vendorsLinux KernelLinuxVm Server
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Severity
N/A
Exploit prediction
EPSS 0.5%
Description
fs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux kernel before 4.6 does not properly verify the upper dentry before proceeding with unlink and rename system-call processing, which allows local users to cause a denial of service (system crash) via a rename system call that specifies a self-hardlink.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=11f3710417d026ea2f4fcf362d866342c5274185
- http://rhn.redhat.com/errata/RHSA-2016-1847.html
- http://rhn.redhat.com/errata/RHSA-2016-1875.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.ubuntu.com/usn/USN-3070-1
References (14)
x_refsource_CONFIRMIssue TrackingPatch
Source: [email protected]
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=11f3710417d026ea2f4fcf362d866342c5274185Vendor Advisoryx_refsource_REDHAT
Source: [email protected]
http://rhn.redhat.com/errata/RHSA-2016-1847.htmlVendor Advisoryx_refsource_REDHAT
Source: [email protected]
http://rhn.redhat.com/errata/RHSA-2016-1875.htmlMailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2016/07/11/8x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlx_refsource_CONFIRMVendor Advisory
Source: [email protected]
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlQuick Info
StatusMODIFIED
CWE
CWE-20
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