CVE-2017-5926: Infoleak

Published Feb 27, 2017
·
Updated

Page table walks conducted by the MMU during virtual to physical address translation leave a trace in the last level cache of modern AMD processors. By performing a side-channel attack on the MMU operations, it is possible to leak data and code pointers from JavaScript, breaking ASLR.

Affected Software

20 affected components
Allwinner A64
AMD Athlon Ii 640 X4
AMD E-350
AMD Fx-8120 8-core
AMD Fx-8320 8-core
AMD Fx-8350 8-core
AMD Phenom 9550 4-core
Intel Atom C2750
Intel Celeron N2840
Intel Core I5 M480
Intel Core I7-2620qm
Intel Core I7-3632qm
Intel Core I7-4500u
Intel Core I7-6700k
Intel Core I7 920
Intel Xeon E3-1240 V5
Intel Xeon E5-2658 V2
Nvidia Tegra K1 Cd570m-a1
Nvidia Tegra K1 Cd580m-a1
Samsung Exynos 5800

Event History

Feb 27, 2017
CVE Published
via MITRE·07:25 AM
Data Sourced
via MITRE·07:25 AM
Description
Data Sourced
via NVD·07:59 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2017-5926?

CVE-2017-5926 is considered a high severity vulnerability due to its potential to leak sensitive data and code pointers.

2

How do I fix CVE-2017-5926?

Fixing CVE-2017-5926 may involve applying security patches provided by the hardware vendor or disabling vulnerable processors.

3

What types of systems are affected by CVE-2017-5926?

CVE-2017-5926 affects various AMD and Intel processors, including models like AMD Athlon II and Intel Core i7.

4

Can CVE-2017-5926 be exploited remotely?

CVE-2017-5926 requires local access to the affected system to perform the side-channel attack.

5

What are the implications of CVE-2017-5926 for users?

The implications of CVE-2017-5926 include potential exposure of sensitive information such as passwords or cryptographic keys.

Contact

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