CVE-2015-2922

LOW

Description

The ndisc_router_discovery function in net/ipv6/ndisc.c in the Neighbor Discovery (ND) protocol implementation in the IPv6 stack in the Linux kernel before 3.19.6 allows remote attackers to reconfigure a hop-limit setting via a small hop_limit value in a Router Advertisement (RA) message.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6fd99094de2b83d1d4c8457f2c83483b2828e75a

http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155804.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155854.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155908.html

http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html

http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html

http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html

http://rhn.redhat.com/errata/RHSA-2015-1221.html

http://rhn.redhat.com/errata/RHSA-2015-1534.html

http://rhn.redhat.com/errata/RHSA-2015-1564.html

http://www.debian.org/security/2015/dsa-3237

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.6

http://www.openwall.com/lists/oss-security/2015/04/04/2

http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html

http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

http://www.securityfocus.com/bid/74315

http://www.securitytracker.com/id/1032417

https://bugzilla.redhat.com/show_bug.cgi?id=1203712

https://github.com/torvalds/linux/commit/6fd99094de2b83d1d4c8457f2c83483b2828e75a

Details

Source: MITRE

Published: 2015-05-27

Updated: 2018-01-05

Type: CWE-17

Risk Information

CVSS v2.0

Base Score: 3.3

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

Impact Score: 2.9

Exploitability Score: 6.5

Severity: LOW