CVE-2018-13053

low

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.

References

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

https://bugzilla.kernel.org/show_bug.cgi?id=200303

https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=5f936e19cc0ef97dbe3a56e9498922ad5ba1edef

https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html

https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html

https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html

https://usn.ubuntu.com/3821-1/

https://usn.ubuntu.com/3821-2/

https://usn.ubuntu.com/4094-1/

https://usn.ubuntu.com/4118-1/

Details

Source: MITRE

Published: 2018-07-02

Updated: 2019-04-23

Type: CWE-190

Risk Information

CVSS v2

Base Score: 2.1

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3

Base Score: 3.3

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Impact Score: 1.4

Exploitability Score: 1.8

Severity: LOW