Buffer overflow in Linux kernel - CVE-2014-6416
Published: September 28, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41285
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-6416
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Buffer overflow in net/ceph/auth_x.c in Ceph, as used in the Linux kernel before 3.16.3, allows remote attackers to cause a denial of service (memory corruption and panic) or possibly have unspecified other impact via a long unencrypted auth ticket.
Affected software
Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-trusty (Ubuntu package)
Ubuntu
linux (Ubuntu package)
linux-lts-trusty (Ubuntu package)
How to mitigate CVE-2014-6416
Install update from vendor's website.
linux (Ubuntu package) - addressed in versions 3.2.0-70.105, 3.13.0-37.64
linux-lts-trusty (Ubuntu package) - update to 3.13.0-37.64~precise1
linux-lts-trusty (Ubuntu package) - update to 3.13.0-37.64~precise1
External References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c27a3e4d667fdcad3db7b104f75659478e0c68d8
- http://tracker.ceph.com/issues/8979
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.16.3
- http://www.openwall.com/lists/oss-security/2014/09/15/7
- http://www.securityfocus.com/bid/69805
- http://www.ubuntu.com/usn/USN-2376-1
- http://www.ubuntu.com/usn/USN-2377-1
- http://www.ubuntu.com/usn/USN-2378-1
- http://www.ubuntu.com/usn/USN-2379-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1142060
- https://github.com/torvalds/linux/commit/c27a3e4d667fdcad3db7b104f75659478e0c68d8