What is CVE-2018-13053?

CVE-2018-13053 is a low-severity vulnerability in Linux Kernel, classified under Integer Overflow or Wraparound. CVSS score: 3.3/10. Published 2018-07-02.

How severe is CVE-2018-13053?

Low severity. CVSS v3 base score is 3.3 out of 10.

Is CVE-2018-13053 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Integer overflow in Linux Kernel

CVE-2018-13053

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.

Vulnerability class: Integer Overflow

Published 2018-07-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.005 (41.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Linux Kernel
Canonical Ubuntu Linux — versions 14.04, 16.04
Debian Linux — versions 8.0

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

usn.ubuntu.com/3821-1/ (vendor-advisory, Third Party Advisory)
git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/ (Patch, Vendor Advisory)
bugzilla.kernel.org/show_bug.cgi (Patch, Issue Tracking, Vendor Advisory)
usn.ubuntu.com/3821-2/ (vendor-advisory, Third Party Advisory)
lists.debian.org/debian-lts-announce/2019/03/msg00017.html (mailing-list, Mailing List, Third Party Advisory)
www.securityfocus.com/bid/104671 (VDB Entry, Third Party Advisory, vdb-entry)
lists.debian.org/debian-lts-announce/2019/03/msg00034.html (mailing-list, Mailing List, Third Party Advisory)
lists.debian.org/debian-lts-announce/2019/04/msg00004.html (mailing-list)
access.redhat.com/errata/RHSA-2019:0831 (vendor-advisory)
access.redhat.com/errata/RHSA-2019:2043 (vendor-advisory)

Frequently asked questions

What is CVE-2018-13053?: CVE-2018-13053 is a low-severity vulnerability in Linux Kernel, classified under Integer Overflow or Wraparound. CVSS score: 3.3/10. Published 2018-07-02.
How severe is CVE-2018-13053?: Low severity. CVSS v3 base score is 3.3 out of 10.
Is CVE-2018-13053 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.