CVE Database›CVE-2015-7872

CVE-2015-7872

kernel: Keyrings crash triggerable by unprivileged user

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Severity

Important

Red Hat Product Security

7.2

CVSS 2.0

Review impact separately from score.

Published · October 12, 2015

Updated · June 28, 2026

Description

It was found that the Linux kernel's keys subsystem did not correctly garbage collect uninstantiated keyrings. A local attacker could use this flaw to crash the system or, potentially, escalate their privileges on the system.

Statement

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

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 2.0 · 7.2
AV:L/AC:L/Au:N/C:C/I:C/A:C

CWE-456 · Missing Initialization of a Variable