CVE-2016-10229
kernel: net: Unsafe second checksum calculation in udp.c
Severity
ImportantRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · December 30, 2015
Updated · November 21, 2025
Description
The Linux kernel 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. This may create a kernel panic or memory corruption leading to privilege escalation.
Statement
This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6 as the code that introduced the flaw is not present in these products.
This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 7, Red Hat Enterprise MRG 2, and realtime kernels as these contain the fixed commit.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 8.1CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-662 · Improper Synchronization