CVE-2018-13053

low-risk
Published 2018-07-02

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.

Do I need to act?

-
0.03% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.3/10 Low
LOCAL / LOW complexity

Affected Products (4)

Affected Vendors

Debian Linux Canonical

References (26)

Third Party Advisory http://www.securityfocus.com/bid/104671
https://access.redhat.com/errata/RHSA-2019:0831
https://access.redhat.com/errata/RHSA-2019:2029
https://access.redhat.com/errata/RHSA-2019:2043
Issue Tracking https://bugzilla.kernel.org/show_bug.cgi?id=200303
Patch https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=5f936e19c...
Mailing List https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
Mailing List https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
Third Party Advisory https://usn.ubuntu.com/3821-1/
Third Party Advisory https://usn.ubuntu.com/3821-2/
https://usn.ubuntu.com/4094-1/
https://usn.ubuntu.com/4118-1/
Third Party Advisory http://www.securityfocus.com/bid/104671
https://access.redhat.com/errata/RHSA-2019:0831
https://access.redhat.com/errata/RHSA-2019:2029
https://access.redhat.com/errata/RHSA-2019:2043
Issue Tracking https://bugzilla.kernel.org/show_bug.cgi?id=200303
Patch https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=5f936e19c...
Mailing List https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
and 6 more references
23
/ 100
low-risk
Severity 13/34 · Low
Exploitability 0/34 · Minimal
Exposure 10/34 · Low