Vulnerability CVE-2015-2922


Published: 2015-05-27

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.

Type:

CWE-17

(Code)

CVSS2 => (AV:A/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.3/10
2.9/10
6.5/10
Exploit range
Attack complexity
Authentication
Adjacent network
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Redhat -> Enterprise mrg 
Oracle -> Linux 
Oracle -> Solaris 
Linux -> Linux kernel 
Fedoraproject -> Fedora 
Debian -> Debian linux 

 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

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