CVE-2017-15031

Description

In all versions of ARM Trusted Firmware up to and including v1.4, not initializing or saving/restoring the PMCR_EL0 register can leak secure world timing information.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.83% Top 30%
Third-Party Advisory securityfocus.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Security-Advisory-TFV-5 third party advisory patch
http://www.securityfocus.com/bid/106271 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-15031?
CVE-2017-15031 has been scored as a high severity vulnerability.
How to fix CVE-2017-15031?
To fix CVE-2017-15031, 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-2017-15031 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-15031 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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