CVE-2017-6347

CVE Details

Release Date:	2017-02-21
Impact:	Moderate	What is this?

Description

The ip_cmsg_recv_checksum function in net/ipv4/ip_sockglue.c in theLinux kernel before 4.10.1 has incorrect expectations about skb data layout, which allows local users to cause a denial of service (buffer over-read) or possibly have unspecified other impact via crafted system calls, as demonstrated by use of the MSG_MORE flag in conjunction with loopback UDP transmission.

See more information about CVE-2017-6347 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	7.2
Vector String:	AV:L/AC:L/Au:N/C:C/I:C/A:C
Version:	2.0
Attack Vector:	Local
Attack Complexity:	Low
Authentication:	None
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (dtrace-modules-4.1.12-61.1.34.el6uek)	ELSA-2017-3539	2017-04-13
Oracle Linux version 6 (kernel-uek)	ELSA-2017-3539	2017-04-13
Oracle Linux version 7 (dtrace-modules-4.1.12-61.1.34.el7uek)	ELSA-2017-3539	2017-04-13
Oracle Linux version 7 (kernel-uek)	ELSA-2017-3539	2017-04-13
Oracle VM version 3.4 (kernel-uek)	OVMSA-2017-0062	2017-04-13