CVE-2017-14497 Information

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8