CVE-2017-6347

7.8 HIGH
Published: March 01, 2017 Modified: May 13, 2026
View on NVD

Description

The ip_cmsg_recv_checksum function in net/ipv4/ip_sockglue.c in the Linux 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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca4ef4574f1ee5252e2cd365f8f5d5bafd048f32
Source: cve@mitre.org
Patch Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.1
Source: cve@mitre.org
Patch Release Notes Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/02/28/5
Source: cve@mitre.org
Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/96487
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1427984
Source: cve@mitre.org
Issue Tracking Patch Third Party Advisory VDB Entry
https://github.com/torvalds/linux/commit/ca4ef4574f1ee5252e2cd365f8f5d5bafd048f32
Source: cve@mitre.org
Patch Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca4ef4574f1ee5252e2cd365f8f5d5bafd048f32
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.1
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Release Notes Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/02/28/5
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/96487
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1427984
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory VDB Entry
https://github.com/torvalds/linux/commit/ca4ef4574f1ee5252e2cd365f8f5d5bafd048f32
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory

12 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
0.4%
35th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-125

Affected Vendors

linux

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