CVE-2021-28694

🗓️ 27 Aug 2021 18:46:32Reported by XENType

cve🔗 web.nvd.nist.gov📰️ 5 Media mentions👁 155 Views

IOMMU page mapping issues on x86 T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Both AMD and Intel allow ACPI tables to specify regions of memor

Reporter	Title	Published	Views	Family All 117
ATTACKERKB	CVE-2021-28695	27 Aug 202119:15	–	attackerkb
ATTACKERKB	CVE-2021-28694	27 Aug 202119:15	–	attackerkb
ATTACKERKB	CVE-2021-28696	27 Aug 202119:15	–	attackerkb
AlpineLinux	CVE-2021-28694	27 Aug 202119:15	–	alpinelinux
AlpineLinux	CVE-2021-28695	27 Aug 202119:15	–	alpinelinux
AlpineLinux	CVE-2021-28696	27 Aug 202119:15	–	alpinelinux
BDU FSTEC	The vulnerability of Xen hypervisors is related to deficiencies in authentication procedures. This allows attackers to gain access to confidential data, compromise its integrity, and cause service failures.	1 Apr 202200:00	–	bdu_fstec
BDU FSTEC	The vulnerability of Xen hypervisors, related to deficiencies in access control, allows attackers to gain access to confidential data, compromise its integrity, and cause service failures.	7 Apr 202200:00	–	bdu_fstec
BDU FSTEC	The vulnerability of Xen hypervisors, related to improper authorization, allows attackers to gain access to confidential data, compromise its integrity, and cause service failures.	14 Apr 202200:00	–	bdu_fstec
Circl	CVE-2021-28694	27 Aug 202122:28	–	circl

NVD

Node

xen xen

Node

fedoraproject fedoraMatch33

fedoraproject fedoraMatch34

fedoraproject fedoraMatch35

Node

debian debian_linuxMatch11.0

[
  {
    "product": "xen",
    "vendor": "Xen",
    "versions": [
      {
        "status": "affected",
        "version": "4.11.x"
      }
    ]
  },
  {
    "product": "xen",
    "vendor": "Xen",
    "versions": [
      {
        "status": "affected",
        "version": "xen-unstable"
      }
    ]
  },
  {
    "product": "xen",
    "vendor": "Xen",
    "versions": [
      {
        "status": "affected",
        "version": "4.12.x"
      }
    ]
  },
  {
    "product": "xen",
    "vendor": "Xen",
    "versions": [
      {
        "status": "affected",
        "version": "4.14.x"
      }
    ]
  },
  {
    "product": "xen",
    "vendor": "Xen",
    "versions": [
      {
        "status": "affected",
        "version": "4.15.x"
      }
    ]
  },
  {
    "product": "xen",
    "vendor": "Xen",
    "versions": [
      {
        "status": "affected",
        "version": "4.13.x"
      }
    ]
  }
]

Source	Link
openwall	www.openwall.com/lists/oss-security/2021/09/01/5
lists	www.lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPRVHW4J4ZCPPOHZEWP5MOJT7XDGFFPJ/
debian	www.debian.org/security/2021/dsa-4977
openwall	www.openwall.com/lists/oss-security/2021/09/01/6
lists	www.lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2VQCFAPBNGBBAOMJZG6QBREOG5IIDZID/
openwall	www.openwall.com/lists/oss-security/2021/09/01/1
security	www.security.gentoo.org/glsa/202208-23
xenbits	www.xenbits.xenproject.org/xsa/advisory-378.txt
lists	www.lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FZCNPSRPGFCQRYE2BI4D4Q4SCE56ANV2/

17 Jun 2026 03:46Current

6.8Medium risk

Vulners AI Score6.8

CVSS 24.6

CVSS 3.16.8

EPSS0.00381