How severe is CVE-2022-27672?

CVE-2022-27672 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-27672 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-27672?

CVE-2022-27672 primarily affects Amd Athlon X4 750 Firmware. In total, 165 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-27672?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-27672 published?

CVE-2022-27672 was published on 2023-03-01 and last updated on 2026-06-17.

CVE-2022-27672

CVE-2022-27672 is a medium-severity vulnerability in Amd Athlon X4 750 Firmware with a CVSS 3.x base score of 4.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Amd Athlon X4 750 Firmware
Published: 2023-03-01
Last modified: 2026-06-17

Description

When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch potentially resulting in information disclosure.

Frequently asked questions

What is CVE-2022-27672?: When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch potentially resulting in information disclosure.
How severe is CVE-2022-27672?: CVE-2022-27672 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-27672 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-27672?: CVE-2022-27672 primarily affects Amd Athlon X4 750 Firmware. In total, 165 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-27672?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-27672 published?: CVE-2022-27672 was published on 2023-03-01 and last updated on 2026-06-17.

References

Affected products (165)

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_840_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_835_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_x4_845_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_5995wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_pro_5975w_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_pro_5965wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_pro_5955wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_pro_5945wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_2990wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_2970wx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_2950x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_2920x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_3960x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_3970x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_threadripper_3990x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a12-9730p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a12-9700p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a10-9630p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a10-9600p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a9-9420_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a9-9410_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a6-9220_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a6-9220c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a6-9210_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a4-9120_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:a4-9120c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_7_2700x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_7_2700_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_2600x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_2600_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_1200_firmware:-:*:*:*:*:*:*:*

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