CVE-2021-26352
CVE-2021-26352 is a medium-severity vulnerability in Amd Ryzen 5 2600 Firmware with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.9
- EPSS exploit prediction: 0% (12th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Amd Ryzen 5 2600 Firmware
- Published:
- Last modified:
Description
Insufficient bound checks in System Management Unit (SMU) PCIe Hot Plug table may result in access/updates from/to invalid address space that could result in denial of service.
Frequently asked questions
- What is CVE-2021-26352?
- Insufficient bound checks in System Management Unit (SMU) PCIe Hot Plug table may result in access/updates from/to invalid address space that could result in denial of service.
- How severe is CVE-2021-26352?
- CVE-2021-26352 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2021-26352 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-26352?
- CVE-2021-26352 primarily affects Amd Ryzen 5 2600 Firmware. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-26352?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-26352 published?
- CVE-2021-26352 was published on 2022-05-10 and last updated on 2026-06-17.
References
Affected products (30)
- cpe:2.3:o:amd:ryzen_5_2600_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_2600x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_2700x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_2700_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_3600_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_3600x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_7_3700x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_7_3800x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_9_3900x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_9_3950x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_9_5950x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_9_5900x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_7_5800x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_7_5700g_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_7_5700ge_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_5600g_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_5600x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_5_5600ge_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_3_5300g_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_3_5300ge_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_3970x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_pro_5995wx_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:amd:ryzen_threadripper_pro_5975wx_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:-:*:*:*:*:*:*:*
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