CVE-2017-11176

kernel: Use-after-free in sys_mq_notify()

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Severity

Moderate

Red Hat Product Security

7.8

CVSS 3.0

Review impact separately from score.

Published · July 9, 2017

Updated · June 28, 2026

Description

A use-after-free flaw was found in the Netlink functionality of the Linux kernel networking subsystem. Due to the insufficient cleanup in the mq_notify function, a local attacker could potentially use this flaw to escalate their privileges on the system.

Statement

This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5,6,7 and MRG-2. Future Linux kernel updates for the respective releases may address this issue.

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

CWE-416 · Use After Free