CVE-2016-4581

Description

fs/pnode.c in the Linux kernel before 4.5.4 does not properly traverse a mount propagation tree in a certain case involving a slave mount, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted series of mount system calls.

References

http://www.openwall.com/lists/oss-security/2016/05/11/2

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4

https://bugzilla.redhat.com/show_bug.cgi?id=1333712

https://github.com/torvalds/linux/commit/5ec0811d30378ae104f250bfc9b3640242d81e3f

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5ec0811d30378ae104f250bfc9b3640242d81e3f

http://www.ubuntu.com/usn/USN-3000-1

http://www.ubuntu.com/usn/USN-2998-1

http://www.ubuntu.com/usn/USN-3002-1

http://www.ubuntu.com/usn/USN-3003-1

http://www.ubuntu.com/usn/USN-3001-1

http://www.ubuntu.com/usn/USN-3004-1

http://www.ubuntu.com/usn/USN-2989-1

http://www.ubuntu.com/usn/USN-3005-1

http://www.ubuntu.com/usn/USN-3007-1

http://www.ubuntu.com/usn/USN-3006-1

http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html

http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html

http://www.securityfocus.com/bid/90607

http://www.debian.org/security/2016/dsa-3607

http://rhn.redhat.com/errata/RHSA-2016-2584.html

http://rhn.redhat.com/errata/RHSA-2016-2574.html

Details

Risk Information

CVSS v2

CVSS v3