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CVE-2018-13053

3.3 · LOW

The alarm_timer_nsleep function in kernel/time/alarmtimer.c in the Linux kernel through 4.17.3 has an integer overflow via a large relative timeout because ktime_add_safe is not used.

Published Jul 2, 2018CWE-190EPSS 0.51%

Overview

CVE-2018-13053 is a low-severity vulnerability. It was published on July 2, 2018 and has a CVSS 3.0 base score of 3.3 (LOW).

This vulnerability has a CVSS 3.0 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

The alarm_timer_nsleep function in kernel/time/alarmtimer.c in the Linux kernel through 4.17.3 has an integer overflow via a large relative timeout because ktime_add_safe is not used.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.securityfocus.com/bid/104671Refaccess.redhat.com/errata/RHSA-2019:0831Refaccess.redhat.com/errata/RHSA-2019:2029Refaccess.redhat.com/errata/RHSA-2019:2043Refbugzilla.kernel.org/show_bug.cgi?id=200303Refgit.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=5f936e19cc0ef97dbe3a56e9498922ad5ba1edefReflists.debian.org/debian-lts-announce/2019/03/msg00017.htmlReflists.debian.org/debian-lts-announce/2019/03/msg00034.htmlReflists.debian.org/debian-lts-announce/2019/04/msg00004.htmlRefusn.ubuntu.com/3821-1/

How CyberStrike helps

Frequently asked questions

What is CVE-2018-13053?

CVE-2018-13053 is a low-severity vulnerability. It was published on July 2, 2018 and has a CVSS 3.0 base score of 3.3 (LOW).

How severe is CVE-2018-13053?

This vulnerability has a CVSS 3.0 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2018-13053?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-13053?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-13053 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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