CVE-2018-14775

Description

tss_alloc in sys/arch/i386/i386/gdt.c in OpenBSD 6.2 and 6.3 has a Local Denial of Service (system crash) due to incorrect I/O port access control on the i386 architecture.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.05%
Vendor Advisory openbsd.org Vendor Advisory openbsd.org Vendor Advisory openbsd.org Vendor Advisory openbsd.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/arch/i386/i386/gdt.c.diff?r1=1.37&r2=1.37.8.1&f=h patch vendor advisory
https://ftp.openbsd.org/pub/OpenBSD/patches/6.3/common/015_ioport.patch.sig patch vendor advisory
https://ftp.openbsd.org/pub/OpenBSD/patches/6.2/common/020_ioport.patch.sig patch vendor advisory
http://www.securitytracker.com/id/1041550 vdb entry third party advisory
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/sys/arch/i386/i386/gdt.c issue tracking patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-14775?
CVE-2018-14775 has been scored as a medium severity vulnerability.
How to fix CVE-2018-14775?
To fix CVE-2018-14775, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-14775 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-14775 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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