CVE-2015-7872
kernel: Keyrings crash triggerable by unprivileged user
Severity
ImportantRed Hat Product Security
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 · 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C
CWE-456 · Missing Initialization of a Variable