CVE-2022-23825
No known exploitation. EPSS puts it in the 54th percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information disclosure.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.8% chance of exploitation activity in the next 30 days, which ranks it in the 54th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 1442 days, from the signal feeds we watch.
- OpenVAS check added
- Patch availablerecord updated
- Publishedweakness classified
Affected products
- AMD ProcessorsHardware Firmware
- athlon x4 750 firmwareHardware Firmware
- athlon x4 760k firmwareHardware Firmware
- athlon x4 830 firmwareHardware Firmware
- athlon x4 835 firmwareHardware Firmware
- athlon x4 840 firmwareHardware Firmware
- athlon x4 845 firmwareHardware Firmware
- athlon x4 860k firmwareHardware Firmware
- 1st Gen AMD EPYCHardware Firmware
- 2nd Gen AMD EPYCHardware Firmware
- AMD Ryzen 2000 series DesktopHardware Firmware
- AMD Ryzen 3000 Series DesktopHardware Firmware
- AMD Ryzen 4000 Series Desktop processors with Radeon graphicsHardware Firmware
- 2nd Gen AMD Ryzen ThreadripperHardware Firmware
- 3rd Gen AMD Ryzen ThreadripperHardware Firmware
- AMD Ryzen Threadripper PRO processorsHardware Firmware
And 129 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Scored 6.5 by NVD.
How it is reached
- Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required LowRequires basic user-level privileges
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity NoneNo integrity impact
- Availability NoneNo availability impact
Weaknesses
Sources
References in the record
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M27MB3QFNIJV4EQQSXWARHP3OGX6CR6K/
- amd.com/en/corporate/product-security/bulletin/amd-sb-1037
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D4RW5FCIYFNCQOEFJEUIRW3DGYW7CWBG/
And 15 more references. See all after sign-in
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