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CVE-2021-28701

🗓️ 08 Sep 2021 13:02:28Reported by XENType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 2 Media mentions👁 182 Views

CVE-2021-28701: XENMAPSPACE_grant_table race allows guest access to freed memor

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2021-28701
8 Sep 202114:15
–attackerkb
alpinelinux
AlpineLinux
CVE-2021-28701
8 Sep 202114:15
–alpinelinux
bdu_fstec
BDU FSTEC
Xen Hypervisor Privilege Escalation
1 Apr 202200:00
–bdu_fstec
cnnvd
CNNVD
Xen race condition vulnerabilities
8 Sep 202100:00
–cnnvd
citrix
Citrix
Citrix Hypervisor Security Update
7 Sep 202110:10
–citrix
cvelist
Cvelist
CVE-2021-28701
8 Sep 202113:02
–cvelist
debian
Debian
[SECURITY] [DSA 4977-1] xen security update
20 Sep 202119:08
–debian
debiancve
Debian CVE
CVE-2021-28701
8 Sep 202113:02
–debiancve
nessus
Tenable Nessus
Debian DSA-4977-1 : xen - security update
21 Sep 202100:00
–nessus
nessus
Tenable Nessus
GLSA-202208-23 : Xen: Multiple Vulnerabilities
15 Aug 202200:00
–nessus
Rows per page
NVD
Vulners
Node
xenxenRange4.0.0≥
Node
[
  {
    "product": "xen",
    "vendor": "Xen",
    "versions": [
      {
        "lessThan": "4.12",
        "status": "unknown",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "4.15.x",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "next of xen-unstable",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "xen",
    "vendor": "Xen",
    "versions": [
      {
        "status": "affected",
        "version": "4.11.x"
      }
    ]
  },
  {
    "product": "xen",
    "vendor": "Xen",
    "versions": [
      {
        "lessThan": "4.12",
        "status": "unknown",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "4.12.x",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "next of 4.14.x",
        "versionType": "custom"
      }
    ]
  }
]

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17 Jun 2026 03:46Current
7.5High risk
Vulners AI Score7.5
CVSS 24.4
CVSS 3.17.8
EPSS0.00266
182