CVE-2018-17972

Impact:
Moderate
Public Date:
2018-09-27
CWE:
CWE-200
Bugzilla:
1636349: CVE-2018-17972 kernel: Unprivileged users able to inspect kernel stacks of arbitrary tasks
An issue was discovered in the proc_pid_stack function in fs/proc/base.c in the Linux kernel. An attacker with a local account can trick the stack unwinder code to leak stack contents to userspace. The fix allows only root to inspect the kernel stack of an arbitrary task.

Find out more about CVE-2018-17972 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

CVSS3 Base Score 3.3
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Impact None
Availability Impact None

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (kernel) RHSA-2019:0512 2019-03-13
Red Hat Enterprise Linux for Real Time for NFV (v. 7) (kernel-rt) RHSA-2019:0514 2019-03-13
Red Hat Enterprise Linux 7 (kernel-alt) RHSA-2019:0831 2019-04-23

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 kernel-rt Affected
Red Hat Enterprise Linux 8 kernel-rt Not affected
Red Hat Enterprise Linux 8 kernel Not affected
Red Hat Enterprise Linux 6 kernel Affected
Red Hat Enterprise Linux 5 kernel Not affected
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.
Last Modified