CVE-2024-36311
No known exploitation. EPSS puts it in the 2nd 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
A Time-of-check time-of-use (TOCTOU) race condition in the SMM communications buffer could allow a privileged attacker to bypass input validation and perform an out of bounds read or write, potentially resulting in loss of confidentiality, integrity, or availability.
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
0.1% chance of exploitation activity in the next 30 days, which ranks it in the 2nd percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 0 days, from the signal feeds we watch.
- Patch availablepublished, weakness classified, att&ck mapped, record updated
Affected products
- AMD Ryzen 9000 Series Desktop ProcessorsHardware Firmware
- AMD Ryzen 9000HX Series ProcessorsHardware Firmware
- AMD Ryzen Embedded 7000Hardware Firmware
- AMD Ryzen 7000 Series Desktop ProcessorsHardware Firmware
- AMD Ryzen 7045 Series Mobile ProcessorsHardware Firmware
- AMD Ryzen 8000 Series Processor with Radeon Graphics PhoenixHardware Firmware
- AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ GraphicsHardware Firmware
- AMD Ryzen™ 7000 Series Desktop ProcessorsHardware Firmware
- AMD Ryzen™ 9000HX Series Mobile ProcessorsHardware Firmware
- AMD Ryzen™ 8000 Series Desktop ProcessorsHardware Firmware
- AMD Ryzen™ 9000 Series Desktop ProcessorsHardware Firmware
- AMD Ryzen™ Embedded 7000 Series ProcessorsHardware Firmware
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorAV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Scored 4.2 by bdu.
How it is reached
- Access Vector LocalRequires local access
- Access Complexity LowNo special conditions required
Impact if exploited
- Confidentiality L
- Integrity L
- Availability L
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Privilege EscalationT1068Exploitation for Privilege Escalationmedium confidence
Sources
References in the record
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