Public Date:
1655904: CVE-2018-9568 kernel: Memory corruption due to incorrect socket cloning
A possible memory corruption due to a type confusion was found in the Linux kernel in the sk_clone_lock() function in the net/core/sock.c. The possibility of local escalation of privileges cannot be fully ruled out for a local unprivileged attacker.

Find out more about CVE-2018-9568 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

CVSS3 Base Score 7
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact High

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 6 (kernel) RHSA-2019:2736 2019-09-12
Red Hat Enterprise Linux Extended Update Support 7.4 (kernel) RHSA-2019:2696 2019-09-12
Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2019:2730 2019-09-11

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 8 kernel-rt Not affected
Red Hat Enterprise Linux 8 kernel Not affected
Red Hat Enterprise Linux 7 kernel-alt Not affected
Red Hat Enterprise Linux 5 kernel Will not fix
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.
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