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Fencer Intel
low 2.6

CVE-2014-1690 json

The help function in net/netfilter/nf_nat_irc.c in the Linux kernel before 3.12.8 allows remote attackers to obtain sensitive information f…

published 2014-02-28 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-1764

cvss
2.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.9%
EPSS 3.9% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

The help function in net/netfilter/nf_nat_irc.c in the Linux kernel before 3.12.8 allows remote attackers to obtain sensitive information from kernel memory by establishing an IRC DCC session in which incorrect packet data is transmitted during use of the NAT mangle feature.

Patch / fix

  • linux linux_kernel 3.12.8
  • linux Debian 14, Debian 13, Debian 12 3.12.8-1

debian advisories DEBIAN-CVE-2014-1690

  • kernel-rt enterprise mrg 2 3.10.33-rt32.33.el6rt
  • kernel-rt-trace enterprise mrg 2 3.10.33-rt32.33.el6rt
  • kernel-rt-vanilla enterprise mrg 2 3.10.33-rt32.33.el6rt
  • kernel-rt-firmware enterprise mrg 2 3.10.33-rt32.33.el6rt
  • kernel-rt-debuginfo-common-x86_64 enterprise mrg 2 3.10.33-rt32.33.el6rt

red hat advisories RHSA-2014:0439

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-2014-1690 updated cvss 2.6

Kernel: netfilter: nf_nat: leakage of uninitialized buffer in IRC NAT helper

  • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.10.33-rt32.33.el6rt, kernel-rt-trace 3.10.33-rt32.33.el6rt, kernel-rt-vanilla 3.10.33-rt32.33.el6rt, kernel-rt-firmware 3.10.33-rt32.33.el6rt, kernel-rt-debuginfo-common-x86_64 3.10.33-rt32.33.el6rt
    fixed: vendor fix RHSA-2014:0439
  • Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, python-perf, kernel-kdump, kernel-tools, +3 more
    not affected: vulnerable code not present

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

3.92% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/torvalds/linux/commit/2690d97ade05c5325cbf7c72b94b90d265659886 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 2.6 AV:N/AC:H/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
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.