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Fencer Intel
critical 9.3

CVE-2014-0100 in the critical feed json

Race condition in the inet_frag_intern function in net/ipv4/inet_fragment.c in the Linux kernel through 3.13.6 allows remote attackers to c…

published 2014-03-11 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-0180

cvss
9.3
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

Race condition in the inet_frag_intern function in net/ipv4/inet_fragment.c in the Linux kernel through 3.13.6 allows remote attackers to cause a denial of service (use-after-free error) or possibly have unspecified other impact via a large series of fragmented ICMP Echo Request packets to a system with a heavy CPU load.

Patch / fix

  • linux linux_kernel 3.10.37, 3.12.18, 3.13.10
  • linux Debian 14, Debian 13, Debian 12 3.13.6-1

debian advisories DEBIAN-CVE-2014-0100

  • kernel-rt enterprise mrg 2 3.10.33-rt32.34.el6rt
  • kernel-rt-trace enterprise mrg 2 3.10.33-rt32.34.el6rt
  • kernel-rt-vanilla enterprise mrg 2 3.10.33-rt32.34.el6rt
  • kernel-rt-firmware enterprise mrg 2 3.10.33-rt32.34.el6rt
  • kernel-rt-debuginfo-common-x86_64 enterprise mrg 2 3.10.33-rt32.34.el6rt

red hat advisories RHSA-2014:0557

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-2014-0100 updated cvss 7.6

kernel: net: inet frag code race condition leading to user-after-free

  • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.10.33-rt32.34.el6rt, kernel-rt-trace 3.10.33-rt32.34.el6rt, kernel-rt-vanilla 3.10.33-rt32.34.el6rt, kernel-rt-firmware 3.10.33-rt32.34.el6rt, kernel-rt-debuginfo-common-x86_64 3.10.33-rt32.34.el6rt
    fixed: vendor fix RHSA-2014:0557
  • 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

3.00% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
  • CWE-416 Use After Free
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.