Vulnerability CVE-2017-14497
Published: 2017-09-15   Modified: 2017-09-16

Description:
The tpacket_rcv function in net/packet/af_packet.c in the Linux kernel before 4.13 mishandles vnet headers, which might allow local users to cause a denial of service (buffer overflow, and disk and memory corruption) or possibly have unspecified other impact via crafted system calls.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
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=edbd58be15a957f6a760c4a514cd475217eb97fd
http://seclists.org/oss-sec/2017/q3/476
http://www.debian.org/security/2017/dsa-3981
http://www.securityfocus.com/bid/100871
http://www.securitytracker.com/id/1039371
http://www.securitytracker.com/id/1040106
https://bugzilla.redhat.com/show_bug.cgi?id=1492593
https://github.com/torvalds/linux/commit/edbd58be15a957f6a760c4a514cd475217eb97fd
https://marc.info/?l=linux-kernel&m=150394500728906&w=2
https://marc.info/?t=150394517700001&r=1&w=2
https://source.android.com/security/bulletin/2018-01-01
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