Vulnerability CVE-2017-13715
Published: 2017-08-28   Modified: 2017-08-29

Description:
The __skb_flow_dissect function in net/core/flow_dissector.c in the Linux kernel before 4.3 does not ensure that n_proto, ip_proto, and thoff are initialized, which allows remote attackers to cause a denial of service (system crash) or possibly execute arbitrary code via a single crafted MPLS packet.

CVSS2 => (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Linux -> Linux kernel 

 References:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a6e544b0a88b53114bfa5a57e21b7be7a8dfc9d0
http://seclists.org/oss-sec/2017/q3/345
http://www.securityfocus.com/bid/100517
https://github.com/torvalds/linux/commit/a6e544b0a88b53114bfa5a57e21b7be7a8dfc9d0
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