{ "CVE_data_meta" : { "ASSIGNER" : "cve@mitre.org", "ID" : "CVE-2016-6197", "STATE" : "PUBLIC" }, "affects" : { "vendor" : { "vendor_data" : [ { "product" : { "product_data" : [ { "product_name" : "n/a", "version" : { "version_data" : [ { "version_value" : "n/a" } ] } } ] }, "vendor_name" : "n/a" } ] } }, "data_format" : "MITRE", "data_type" : "CVE", "data_version" : "4.0", "description" : { "description_data" : [ { "lang" : "eng", "value" : "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." } ] }, "problemtype" : { "problemtype_data" : [ { "description" : [ { "lang" : "eng", "value" : "n/a" } ] } ] }, "references" : { "reference_data" : [ { "name" : "[oss-security] 20160711 Re: cvs request: local DoS using rename syscall on overlayfs on top of xfs to crash the kernel - Linux kernel", "refsource" : "MLIST", "url" : "http://www.openwall.com/lists/oss-security/2016/07/11/8" }, { "name" : "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=11f3710417d026ea2f4fcf362d866342c5274185", "refsource" : "CONFIRM", "url" : "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=11f3710417d026ea2f4fcf362d866342c5274185" }, { "name" : "https://bugzilla.redhat.com/show_bug.cgi?id=1355650", "refsource" : "CONFIRM", "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1355650" }, { "name" : "https://github.com/torvalds/linux/commit/11f3710417d026ea2f4fcf362d866342c5274185", "refsource" : "CONFIRM", "url" : "https://github.com/torvalds/linux/commit/11f3710417d026ea2f4fcf362d866342c5274185" }, { "name" : "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html", "refsource" : "CONFIRM", "url" : "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html" }, { "name" : "http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html", "refsource" : "CONFIRM", "url" : "http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html" }, { "name" : "RHSA-2016:1847", "refsource" : "REDHAT", "url" : "http://rhn.redhat.com/errata/RHSA-2016-1847.html" }, { "name" : "RHSA-2016:1875", "refsource" : "REDHAT", "url" : "http://rhn.redhat.com/errata/RHSA-2016-1875.html" }, { "name" : "USN-3070-2", "refsource" : "UBUNTU", "url" : "http://www.ubuntu.com/usn/USN-3070-2" }, { "name" : "USN-3070-3", "refsource" : "UBUNTU", "url" : "http://www.ubuntu.com/usn/USN-3070-3" }, { "name" : "USN-3070-4", "refsource" : "UBUNTU", "url" : "http://www.ubuntu.com/usn/USN-3070-4" }, { "name" : "USN-3070-1", "refsource" : "UBUNTU", "url" : "http://www.ubuntu.com/usn/USN-3070-1" }, { "name" : "91709", "refsource" : "BID", "url" : "http://www.securityfocus.com/bid/91709" }, { "name" : "1036273", "refsource" : "SECTRACK", "url" : "http://www.securitytracker.com/id/1036273" } ] } }