CVE Database›Document archive›CVE-2016-8399

CVE-2016-8399

kernel: net: Out of bounds stack read in memcpy_fromiovec

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Severity

Moderate

Red Hat Product Security

7.8

CVSS 3.0

Review impact separately from score.

Published · December 5, 2016

Updated · June 28, 2026

Description

A flaw was found in the Linux networking subsystem where a local attacker with CAP_NET_ADMIN capabilities could cause an out-of-bounds memory access by creating a smaller-than-expected ICMP header and sending to its destination via sendto().

Statement

This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 6 and is planned to be addressed in future updates.

For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

This issue doesn't affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 7 and MRG-2.

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 · 7.8
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0 · 6.8
AV:L/AC:L/Au:S/C:C/I:C/A:C

CWE-20 · Improper Input Validation