MEDIUM5.5
fs/overlayfs/copy_up.c in the Linux kernel before 4.2.6 uses an incorrect cleanup code path, which allows local users to cause a denial of service (dentry reference leak) via filesystem operations on a large file in a lower overlayfs layer.
CVSS 2.0MEDIUM 4.9
CVSS:2.0/AV:L/AC:L/Au:N/C:N/I:N/A:CCVSS 3.xMEDIUM 5.5
CVSS:3.x/CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HReferences
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ab79efab0a0ba01a74df782eb7fa44b044dae8b5
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.2.6
- http://www.openwall.com/lists/oss-security/2016/08/23/9
- http://www.securityfocus.com/bid/92611
- https://bugzilla.redhat.com/show_bug.cgi?id=1367814
- https://github.com/torvalds/linux/commit/ab79efab0a0ba01a74df782eb7fa44b044dae8b5
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ab79efab0a0ba01a74df782eb7fa44b044dae8b5
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.2.6
- http://www.openwall.com/lists/oss-security/2016/08/23/9
- http://www.securityfocus.com/bid/92611
- https://bugzilla.redhat.com/show_bug.cgi?id=1367814
- https://github.com/torvalds/linux/commit/ab79efab0a0ba01a74df782eb7fa44b044dae8b5