CVE-2017-6214

high

Description

The tcp_splice_read function in net/ipv4/tcp.c in the Linux kernel before 4.9.11 allows remote attackers to cause a denial of service (infinite loop and soft lockup) via vectors involving a TCP packet with the URG flag.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ccf7abb93af09ad0868ae9033d1ca8108bdaec82

http://www.debian.org/security/2017/dsa-3804

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11

http://www.securityfocus.com/bid/96421

http://www.securitytracker.com/id/1037897

https://access.redhat.com/errata/RHSA-2017:1372

https://access.redhat.com/errata/RHSA-2017:1615

https://access.redhat.com/errata/RHSA-2017:1616

https://access.redhat.com/errata/RHSA-2017:1647

https://github.com/torvalds/linux/commit/ccf7abb93af09ad0868ae9033d1ca8108bdaec82

https://source.android.com/security/bulletin/2017-09-01

Details

Source: MITRE

Published: 2017-02-23

Updated: 2019-10-03

Type: CWE-835

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH