CVE-2021-26356

🗓️ 09 May 2023 18:58:48Reported by AMDType

ASP bootloader TOCTOU vulnerability leading to S3 data corruption

Reporter	Title	Published	Views	Family All 14
Amd	AMD Server Vulnerabilities – May 2023	9 May 202300:00	–	amd
Amd	Client Vulnerabilities – May 2023	9 May 202300:00	–	amd
Circl	CVE-2021-26356	9 May 202322:39	–	circl
CNNVD	AMD Secure Processor和AMD System Management Unit 安全漏洞	9 May 202300:00	–	cnnvd
CVE	CVE-2021-26356	9 May 202318:58	–	cve
EUVD	EUVD-2021-13162	7 Oct 202500:30	–	euvd
HPE Security Bulletins	HPESBHF04455 rev.1 - HPE Cray EX235a Accelerator Blade Using AMD Processors, Multiple Vulnerabilities	16 May 202300:00	–	hpe
HPE Security Bulletins	HPESBHF04471 rev.1 - HPE ProLiant Gen10 and Gen10 Plus Servers Using Certain AMD EPYC Processors, Multiple Local Vulnerabilities	9 May 202300:00	–	hpe
Hewlett-Packard	AMD Client UEFI Firmware May 2023 Security Update	9 May 202300:00	–	hp
NVD	CVE-2021-26356	9 May 202319:15	–	nvd

[
  {
    "defaultStatus": "unaffected",
    "packageName": "AGESA",
    "platforms": [
      "x86"
    ],
    "product": "Ryzen™ 3000 Series Desktop Processors “Matisse” AM4",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various "
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "packageName": "AGESA",
    "platforms": [
      "x86"
    ],
    "product": "AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various "
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "packageName": "AGESA",
    "platforms": [
      "x86"
    ],
    "product": "3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "packageName": "AGESA",
    "platforms": [
      "x86"
    ],
    "product": "Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various "
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "packageName": "AGESA",
    "platforms": [
      "x86"
    ],
    "product": "Ryzen™ Threadripper™ PRO Processors “Chagall” WS",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various "
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "packageName": "AGESA",
    "platforms": [
      "x86"
    ],
    "product": "1st Gen AMD EPYC™ Processors",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various "
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "packageName": "AGESA",
    "platforms": [
      "x86"
    ],
    "product": "2nd Gen AMD EPYC™ Processors",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various "
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "packageName": "AGESA",
    "platforms": [
      "x86"
    ],
    "product": "3rd Gen AMD EPYC™ Processors",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various "
      }
    ]
  }
]

Source	Link
amd	www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001
amd	www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001

09 May 2023 18:58Current

7.9High risk

Vulners AI Score7.9

EPSS0.00399