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ESXi CVE-2022-23825

MEDIUM
Exposure of Resource to Wrong Sphere (CWE-668)
2022-07-14 psirt@amd.com
Information Disclosure Debian VMware ESXi Amd Debian Linux Fedora Athlon X4 750 Firmware Athlon X4 760K Firmware Athlon X4 830 Firmware Athlon X4 840 Firmware Athlon X4 860K Firmware Athlon X4 870K Firmware Athlon X4 880K Firmware Athlon X4 835 Firmware Athlon X4 845 Firmware Athlon X4 940 Firmware Athlon X4 950 Firmware Athlon X4 970 Firmware Ryzen Threadripper Pro 5995Wx Firmware Ryzen Threadripper Pro 5965Wx Firmware Ryzen Threadripper Pro 5955Wx Firmware Ryzen Threadripper Pro 5945Wx Firmware Ryzen Threadripper 2990Wx Firmware Ryzen Threadripper 2970Wx Firmware Ryzen Threadripper 2950X Firmware Ryzen Threadripper 2920X Firmware Ryzen Threadripper 3960X Firmware Ryzen Threadripper 3970X Firmware Ryzen Threadripper 3990X Firmware A12 9730P Firmware A12 9700P Firmware A10 9630P Firmware A10 9600P Firmware A9 9420 Firmware A9 9410 Firmware A6 9220 Firmware A6 9220C Firmware A6 9210 Firmware A4 9120 Firmware Ryzen 7 2700X Firmware Ryzen 7 2700 Firmware Ryzen 5 2600X Firmware Ryzen 5 2600 Firmware Ryzen 3 3100 Firmware Ryzen 3 3300X Firmware Ryzen 5 3600 Firmware Ryzen 5 3600X Firmware Ryzen 5 3600Xt Firmware Ryzen 7 3700X Firmware Ryzen 7 3800X Firmware Ryzen 7 3800Xt Firmware Ryzen 7 4700G Firmware Ryzen 5 4600G Firmware Ryzen 3 4300G Firmware Ryzen 7 4700Ge Firmware Ryzen 5 4600Ge Firmware Ryzen 3 4300Ge Firmware Ryzen 7 2800H Firmware Ryzen 7 2700U Firmware Ryzen 5 2600H Firmware Ryzen 5 2500U Firmware Ryzen 3 2300U Firmware Ryzen 3 2200U Firmware Athlon Silver 3050U Firmware Athlon Gold 3150U Firmware Ryzen 7 3750H Firmware Ryzen 7 3700U Firmware Ryzen 5 3550H Firmware Ryzen 5 3500U Firmware Ryzen 3 3300U Firmware Ryzen 3 3250U Firmware Ryzen 3 3200U Firmware Ryzen 7 4800U Firmware Ryzen 7 4700U Firmware Ryzen 5 4600U Firmware Ryzen 5 4500U Firmware Ryzen 3 4300U Firmware Ryzen 9 4900H Firmware Ryzen 7 4800H Firmware Ryzen 5 4600H Firmware Epyc 7302P Firmware Epyc 7402P Firmware Epyc 7502P Firmware Epyc 7252 Firmware Epyc 7262 Firmware Epyc 7272 Firmware Epyc 7282 Firmware Epyc 7302 Firmware Epyc 7352 Firmware Epyc 7402 Firmware Epyc 7452 Firmware Epyc 7502 Firmware Epyc 7532 Firmware Epyc 7542 Firmware Epyc 7552 Firmware Epyc 7642 Firmware Epyc 7662 Firmware Epyc 7702 Firmware Epyc 7742 Firmware Epyc 7H12 Firmware Epyc 7F32 Firmware Epyc 7F52 Firmware Epyc 7F72 Firmware Epyc 7001 Firmware Epyc 7002 Firmware Epyc 7251 Firmware Epyc 7261 Firmware Epyc 7281 Firmware Epyc 7301 Firmware Epyc 7351 Firmware Epyc 7351P Firmware Epyc 7371 Firmware Epyc 7401 Firmware Epyc 7401P Firmware Epyc 7451 Firmware Epyc 7501 Firmware Epyc 7551 Firmware Epyc 7551P Firmware Epyc 7601 Firmware Ryzen 3 3300G Firmware Ryzen 5 3400G Firmware Ryzen 5 3450G Firmware Ryzen Threadripper Pro 3945Wx Firmware Ryzen Threadripper Pro 3955Wx Firmware Ryzen Threadripper Pro 3995Wx Firmware Ryzen Threadripper Pro 5975Wx Firmware Ryzen 5 2700X Firmware Ryzen 5 2700 Firmware Ryzen Threadripper Pro 3795Wx Firmware Fedoraproject
6.5
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Resource sphere isolation
MITRE ATT&CK

1 technique across 1 tactic: Collection

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 6.5 (MEDIUM). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required.

Exploit ScenarioDerived

A local attacker with access to the system could access resources from an unintended security context.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.8% exploitation probability (EPSS)

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AnalysisAI

Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information disclosure. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement proper access controls, validate resource access permissions, use security boundaries.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Exposure of Resource to Wrong Sphere (CWE-668), which allows attackers to access resources from an unintended security context. Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information disclosure. Affected products include: Debian Debian Linux, Fedoraproject Fedora, Amd Athlon X4 750 Firmware, Amd Athlon X4 760K Firmware, Amd Athlon X4 830 Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.5 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

DescriptionNVD

Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information disclosure.

Threat Intelligence Overview

EPSS Score
0.8%
Top 48% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.8%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +32
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_750_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_760k_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_830_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_835_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_840_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_845_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_860k_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_870k_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_880k_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_940_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_950_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_970_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_pro_3995wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_pro_3795wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_pro_3955wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_pro_3945wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_pro_5955wx_firmware:-:*:*:*:*:*:*:*
+ 121 more

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