NVD

Id
21068  
Name
CVE-2016-6197  
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.  
Reject
 
CVSS Version
2  
CVSS Score
4.9  
Severity
Medium  
CVSS Base Score
4.9  
CVSS Impact Subscore
6.9  
CVSS Exploit Subscore
3.9  
CVSS Vector
(AV:L/AC:L/Au:N/C:N/I:N/A:C)  
Pub Date
2017-01-19  
Published
2016-08-06  
Modified Date
2016-11-28  
Seq
2016-6197  

Actions

Related NVD References

Id NVD Id NVD No. Reference Actions
114649 21068 CVE-2016-6197 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=11f3710417d026ea2f4fcf362d866342c5274185  View
114650 21068 CVE-2016-6197 [oss-security] 20160711 Re: cvs request: local DoS using rename syscall on overlayfs on top of xfs to crash the kernel - Linux kernel  View
114651 21068 CVE-2016-6197 http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html  View
114652 21068 CVE-2016-6197 http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html  View
114653 21068 CVE-2016-6197 91709  View
114654 21068 CVE-2016-6197 USN-3070-1  View
114655 21068 CVE-2016-6197 USN-3070-2  View
114656 21068 CVE-2016-6197 USN-3070-3  View
114657 21068 CVE-2016-6197 USN-3070-4  View
114658 21068 CVE-2016-6197 https://bugzilla.redhat.com/show_bug.cgi?id=1355650  View
114659 21068 CVE-2016-6197 https://github.com/torvalds/linux/commit/11f3710417d026ea2f4fcf362d866342c5274185  View

Related JVN

Id Name Title Summary Cveinfo Name Cveinfo Id Nvdinfo Name Nvdinfo Id Cvssv2 Cvssv3 Jvnurl Published Date Last Updated Date Actions
3607 JVNDB-2016-004380 Linux Kernel の OverlayFS ファイルシステムの実装の fs/overlayfs/dir.c におけるサービス運用妨害 (DoS) の脆弱性 Linux Kernel の OverlayFS ファイルシステムの実装の fs/overlayfs/dir.c は、システムコールのリンク解除およびリネーム処理を進める前に、上位の dentry を適切に検証しないため、サービス運用妨害 (システムクラッシュ) 状態にされる脆弱性が存在します。 CVE-2016-6197 92704 CVE-2016-6197 21068 4.9 5.5 http://jvndb.jvn.jp/ja/contents/2016/JVNDB-2016-004380.html 2016-03-21 2016-11-16 View