cnvd - cnvd-2022-63549

CNVD-2022-63549

Vulnerability from cnvd - Published: 2022-09-15

Title

AMD System Management Unit拒绝服务漏洞

Description

AMD System Management Unit（SMU）是美国AMD公司的一个系统管理单元。 AMD System Management Unit存在拒绝服务漏洞，该漏洞源于未充分检查System Management Unit (SMU)中与PCIE相关的绑定，攻击者可利用该漏洞导致拒绝服务。

Severity

中

Patch Name

AMD System Management Unit拒绝服务漏洞的补丁

Patch Description

AMD System Management Unit（SMU）是美国AMD公司的一个系统管理单元。 AMD System Management Unit存在拒绝服务漏洞，该漏洞源于未充分检查System Management Unit (SMU)中与PCIE相关的绑定，攻击者可利用该漏洞导致拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-26372

Impacted products

Name
AMD System Management Unit

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-26372",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-26372"
    }
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  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-63549",
  "openTime": "2022-09-15",
  "patchDescription": "AMD System Management Unit\uff08SMU\uff09\u662f\u7f8e\u56fdAMD\u516c\u53f8\u7684\u4e00\u4e2a\u7cfb\u7edf\u7ba1\u7406\u5355\u5143\u3002\r\n\r\nAMD System Management Unit\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u672a\u5145\u5206\u68c0\u67e5System Management Unit (SMU)\u4e2d\u4e0ePCIE\u76f8\u5173\u7684\u7ed1\u5b9a\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "AMD System Management Unit\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "AMD System Management Unit"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-26372",
  "serverity": "\u4e2d",
  "submitTime": "2022-05-13",
  "title": "AMD System Management Unit\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2021-26372 (GCVE-0-2021-26372)

Vulnerability from cvelistv5 – Published: 2022-05-11 16:18 – Updated: 2024-09-16 19:15

Summary

Insufficient bound checks related to PCIE in the System Management Unit (SMU) may result in access to an invalid address space that could result in denial of service.

Severity ?

No CVSS data available.

CWE

Assigner

AMD

References

URL

Tags

	https://www.amd.com/en/corporate/product-security…	x_refsource_MISC
	https://www.amd.com/en/corporate/product-security…	x_refsource_MISC

Impacted products

Vendor

Product

Version

AMD

EPYC™ Processors

Affected: various

	AMD	Ryzen™ Series	Affected: various
	AMD	Athlon™ Series	Affected: various

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2022-63549

CVE-2021-26372 (GCVE-0-2021-26372)

Tags

Sightings

Nomenclature