CVE-2018-14656

Description

A missing address check in the callers of the show_opcodes() in the Linux kernel allows an attacker to dump the kernel memory at an arbitrary kernel address into the dmesg log.

Category

7.0
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.10%
Third-Party Advisory securitytracker.com Third-Party Advisory chromium.org Third-Party Advisory redhat.com Third-Party Advisory kernel.org Third-Party Advisory seclists.org
Affected: [UNKNOWN] kernel
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14656 issue tracking third party advisory patch
http://www.securitytracker.com/id/1041804 vdb entry third party advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=342db04ae71273322f0011384a9ed414df8bdae4 third party advisory patch
https://lore.kernel.org/lkml/20180828154901.112726-1-jannh%40google.com/T/
https://seclists.org/oss-sec/2018/q4/9 mailing list third party advisory patch
https://bugs.chromium.org/p/project-zero/issues/detail?id=1650 issue tracking third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2018-14656?
CVE-2018-14656 has been scored as a high severity vulnerability.
How to fix CVE-2018-14656?
To fix CVE-2018-14656, 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-2018-14656 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-14656 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.
What software or system is affected by CVE-2018-14656?
CVE-2018-14656 affects [UNKNOWN] kernel.
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