Skip to content
Fencer Intel
low 3.3

CVE-2015-2922 json

The ndisc_router_discovery function in net/ipv6/ndisc.c in the Neighbor Discovery (ND) protocol implementation in the IPv6 stack in the Lin…

published 11y ago modified 4mo ago also EUVD-2015-3007

cvss
3.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.0%
EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

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.

Patch / fix

  • linux Debian 14, Debian 13, Debian 12 3.16.7-ckt9-1

debian advisories DEBIAN-CVE-2015-2922

  • linux Ubuntu 14.04 LTS 3.13.0-51.84
  • linux-lts-utopic Ubuntu 14.04 LTS 3.16.0-36.48~14.04.1

ubuntu advisories UBUNTU-CVE-2015-2922

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel RHEL 6 2.6.32-504.30.3.el6
  • perf RHEL 6 2.6.32-504.30.3.el6
  • python-perf RHEL 6 2.6.32-504.30.3.el6
  • kernel-kdump RHEL 6 2.6.32-504.30.3.el6
  • kernel-firmware RHEL 6 2.6.32-504.30.3.el6
  • kernel-bootwrapper RHEL 6 2.6.32-504.30.3.el6
  • kernel-abi-whitelists RHEL 6 2.6.32-504.30.3.el6
  • kernel-debuginfo-common-i686 RHEL 6 2.6.32-504.30.3.el6

red hat advisories RHSA-2015:1221RHSA-2015:1564RHSA-2015:1565RHSA-2015:1534

  • kernel-xen SLES 11 SP3-TERADATA 3.0.101-0.63.TDC.1
  • kernel-syms SLES 11 SP3-TERADATA 3.0.101-0.63.TDC.1
  • kernel-trace SLES 11 SP3-TERADATA 3.0.101-0.63.TDC.1
  • kernel-source SLES 11 SP3-TERADATA 3.0.101-0.63.TDC.1
  • kernel-default SLES 11 SP3-TERADATA 3.0.101-0.63.TDC.1
  • kernel-ec2 SLE Module for Public Cloud 12 3.12.43-52.6.1
  • kernel-xen SLES for SAP 12, SLES 12, SLED 12 3.12.43-52.6.1
  • kernel-syms SLES for SAP 12, SLES 12, SLED 12 3.12.43-52.6.1

suse advisories SUSE-SU-2015:1478-1SUSE-SU-2015:1224-1SUSE-SU-2015:1071-1

Is CVE-2015-2922 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-2922 updated cvss 3.3

kernel: denial of service (DoS) attack against IPv6 network stacks due to improper handling of Router Advertisements.

  • Red Hat Enterprise Linux 5 kernel
    affected: no fix available
  • Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-229.11.1.el7, kernel 3.10.0-229.11.1.el7, kernel-tools 3.10.0-229.11.1.el7, kernel-tools-libs 3.10.0-229.11.1.el7, kernel-abi-whitelists 3.10.0-229.11.1.el7, kernel-debuginfo-common-x86_64 3.10.0-229.11.1.el7 Red Hat Enterprise Linux Client Optional (v. 7) python-perf 3.10.0-229.11.1.el7, kernel-debuginfo-common-x86_64 3.10.0-229.11.1.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-229.11.1.el7, kernel 3.10.0-229.11.1.el7, kernel-tools 3.10.0-229.11.1.el7, kernel-tools-libs 3.10.0-229.11.1.el7, kernel-abi-whitelists 3.10.0-229.11.1.el7, kernel-debuginfo-common-x86_64 3.10.0-229.11.1.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) python-perf 3.10.0-229.11.1.el7, kernel-debuginfo-common-x86_64 3.10.0-229.11.1.el7
    fixed: vendor fix RHSA-2015:1534
  • Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-504.30.3.el6, kernel 2.6.32-504.30.3.el6, kernel-firmware 2.6.32-504.30.3.el6, kernel-abi-whitelists 2.6.32-504.30.3.el6, kernel-debuginfo-common-i686 2.6.32-504.30.3.el6, kernel-debuginfo-common-x86_64 2.6.32-504.30.3.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf 2.6.32-504.30.3.el6, kernel-debuginfo-common-i686 2.6.32-504.30.3.el6, kernel-debuginfo-common-x86_64 2.6.32-504.30.3.el6 Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-504.30.3.el6, kernel 2.6.32-504.30.3.el6, kernel-firmware 2.6.32-504.30.3.el6, kernel-abi-whitelists 2.6.32-504.30.3.el6, kernel-debuginfo-common-x86_64 2.6.32-504.30.3.el6 Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf 2.6.32-504.30.3.el6, kernel-debuginfo-common-x86_64 2.6.32-504.30.3.el6
    fixed: vendor fix RHSA-2015:1221
  • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt 3.10.0-229.11.1.rt56.141.11.el7_1, kernel-rt-trace 3.10.0-229.11.1.rt56.141.11.el7_1, kernel-rt-debuginfo-common-x86_64 3.10.0-229.11.1.rt56.141.11.el7_1
    fixed: vendor fix RHSA-2015:1565
  • Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-504.30.3.el6, kernel 2.6.32-504.30.3.el6, kernel-kdump 2.6.32-504.30.3.el6, kernel-firmware 2.6.32-504.30.3.el6, kernel-bootwrapper 2.6.32-504.30.3.el6, kernel-abi-whitelists 2.6.32-504.30.3.el6, +4 more
    fixed: vendor fix RHSA-2015:1221
  • Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-229.11.1.el7, kernel 3.10.0-229.11.1.el7, perf 3.10.0-229.11.1.ael7b, kernel 3.10.0-229.11.1.ael7b, kernel-kdump 3.10.0-229.11.1.el7, kernel-tools 3.10.0-229.11.1.el7, +11 more
    fixed: vendor fix RHSA-2015:1534
  • Red Hat Enterprise Linux Server Optional (v. 6) python-perf 2.6.32-504.30.3.el6, kernel-debuginfo-common-i686 2.6.32-504.30.3.el6, kernel-debuginfo-common-ppc64 2.6.32-504.30.3.el6, kernel-debuginfo-common-s390x 2.6.32-504.30.3.el6, kernel-debuginfo-common-x86_64 2.6.32-504.30.3.el6
    fixed: vendor fix RHSA-2015:1221
  • Red Hat Enterprise Linux Server Optional (v. 7) python-perf 3.10.0-229.11.1.el7, python-perf 3.10.0-229.11.1.ael7b, kernel-debuginfo-common-ppc64 3.10.0-229.11.1.el7, kernel-debuginfo-common-s390x 3.10.0-229.11.1.el7, kernel-debuginfo-common-x86_64 3.10.0-229.11.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-229.11.1.ael7b
    fixed: vendor fix RHSA-2015:1534
show 5 more
  • Red Hat Enterprise Linux Workstation (v. 6) perf 2.6.32-504.30.3.el6, kernel 2.6.32-504.30.3.el6, kernel-firmware 2.6.32-504.30.3.el6, kernel-abi-whitelists 2.6.32-504.30.3.el6, kernel-debuginfo-common-i686 2.6.32-504.30.3.el6, kernel-debuginfo-common-x86_64 2.6.32-504.30.3.el6
    fixed: vendor fix RHSA-2015:1221
  • Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-229.11.1.el7, kernel 3.10.0-229.11.1.el7, kernel-tools 3.10.0-229.11.1.el7, kernel-tools-libs 3.10.0-229.11.1.el7, kernel-abi-whitelists 3.10.0-229.11.1.el7, kernel-debuginfo-common-x86_64 3.10.0-229.11.1.el7
    fixed: vendor fix RHSA-2015:1534
  • Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf 2.6.32-504.30.3.el6, kernel-debuginfo-common-i686 2.6.32-504.30.3.el6, kernel-debuginfo-common-x86_64 2.6.32-504.30.3.el6
    fixed: vendor fix RHSA-2015:1221
  • Red Hat Enterprise Linux Workstation Optional (v. 7) python-perf 3.10.0-229.11.1.el7, kernel-debuginfo-common-x86_64 3.10.0-229.11.1.el7
    fixed: vendor fix RHSA-2015:1534
  • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.10.0-229.rt56.158.el6rt, kernel-rt-trace 3.10.0-229.rt56.158.el6rt, kernel-rt-vanilla 3.10.0-229.rt56.158.el6rt, kernel-rt-firmware 3.10.0-229.rt56.158.el6rt, kernel-rt-debuginfo-common-x86_64 3.10.0-229.rt56.158.el6rt
    fixed: vendor fix RHSA-2015:1564

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.01% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • kernel.org http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.6 referenced PoC, tagged "exploit" by a source, unverified
  • openwall.com http://www.openwall.com/lists/oss-security/2015/04/04/2 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 3.3 AV:A/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.