Home/CVE/Page table walks conducted by the MMU during virtual to physical address translation leave a trace in the last level cac
CVE

CVE-2017-5926

Page table walks conducted by the MMU during virtual to physical address translation leave a trace in the last level cac

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.

HIGH · CVSS 7.5 EPSS 0.00383
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  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
▤

Affected Products & Versions

20
allwinner a64all versions
amd athlon ii 640 x4all versions
amd e-350all versions
amd fx-8120 8-coreall versions
amd fx-8320 8-coreall versions
amd fx-8350 8-coreall versions
amd phenom 9550 4-coreall versions
intel atom c2750all versions
⚠

Public Exploits & PoCs

2
pocwww.cs.vu.nl · anc_ndss17.pdfwww.cs.vu.nl
pocwww.vusec.net · projects/ancwww.vusec.net
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Feb 2017 · 07:59 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/96457
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