CVE-2015-2922
low
CVSS v3
—
CVSS v4 NEW
—
VIR risk
3.3
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Fedora Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 22 | Affected | — |
| 21 | Affected | — |
| 20 | Affected | — |
Linux kernel Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Mixed 7 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 3.16.7-ckt9-1 |
| sid | Fixed | 3.16.7-ckt9-1 |
| forky | Fixed | 3.16.7-ckt9-1 |
| bullseye | Fixed | 3.16.7-ckt9-1 |
| bookworm | Fixed | 3.16.7-ckt9-1 |
| 8.0 | Affected | — |
| 7.0 | Affected | — |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=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
- https://security-tracker.debian.org/tracker/CVE-2015-2922
CWEs
CWE-17
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.