CVE-2015-2922

Public Exploit

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.

Category

3.3
CVSS
Severity: Low
CVSS 2.0 •
EPSS 1.72% Top 20%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155908.html third party advisory vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155804.html third party advisory vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html third party advisory
http://www.debian.org/security/2015/dsa-3237 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155854.html third party advisory vendor advisory
http://www.securitytracker.com/id/1032417 vdb entry
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.6 exploit vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html vendor advisory
http://www.openwall.com/lists/oss-security/2015/04/04/2 mailing list exploit
https://bugzilla.redhat.com/show_bug.cgi?id=1203712 issue tracking
http://rhn.redhat.com/errata/RHSA-2015-1534.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1564.html third party advisory vendor advisory
https://github.com/torvalds/linux/commit/6fd99094de2b83d1d4c8457f2c83483b2828e75a
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html vendor advisory
http://www.securityfocus.com/bid/74315 vdb entry
http://rhn.redhat.com/errata/RHSA-2015-1221.html vendor advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6fd99094de2b83d1d4c8457f2c83483b2828e75a
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2015-2922?
CVE-2015-2922 has been scored as a low severity vulnerability.
How to fix CVE-2015-2922?
To fix CVE-2015-2922, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-2922 being actively exploited in the wild?
It is possible that CVE-2015-2922 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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