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Fencer Vulns
critical 9.8

CVE-2016-10229 in the critical feed json

udp.c in the Linux kernel before 4.5 allows remote attackers to execute arbitrary code via UDP traffic that triggers an unsafe second check…

published 2017-04-04 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-1414

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
12.9%
EPSS 12.9% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

udp.c in the Linux kernel before 4.5 allows remote attackers to execute arbitrary code via UDP traffic that triggers an unsafe second checksum calculation during execution of a recv system call with the MSG_PEEK flag.

Patch / fix

  • linux linux_kernel 3.2.76, 3.4.113, 3.10.103, 3.12.53, 3.14.77, 3.16.35, 3.18.45, 4.1.40, 4.4.21
  • linux Debian 14, Debian 13, Debian 12 4.5.1-1

debian advisories DEBIAN-CVE-2016-10229

  • linux Ubuntu 14.04 LTS 3.13.0-79.123
  • linux-lts-vivid Ubuntu 14.04 LTS 3.19.0-49.55~14.04.1

ubuntu advisories UBUNTU-CVE-2016-10229

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-ec2 SLE Module for Public Cloud 12 3.12.61-52.101.1
  • kernel-xen SLES 12-LTSS 3.12.61-52.101.1
  • kernel-syms SLES 12-LTSS 3.12.61-52.101.1
  • kernel-source SLES 12-LTSS 3.12.61-52.101.1
  • kernel-default SLES 12-LTSS 3.12.61-52.101.1
  • kgraft-patch-SLE12_Update_28 SLES 12-LTSS 1-8.1

suse advisories SUSE-SU-2017:2920-1

  • linux-grsec Alpine 3.3 4.1.39-r0

alpine advisories ALPINE-CVE-2016-10229

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • linux Arch Linux 4.5-1

arch linux advisories AVG-240

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-2016-10229 updated cvss 8.1

kernel: net: Unsafe second checksum calculation in udp.c

  • 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, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware
    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

12.87% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-358 Improperly Implemented Security Check for Standard
Technology feeds

References

Sources

Fencer Vulns 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.