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CVE-2021-28701

🗓️ 08 Sep 2021 14:15:00Reported by AttackerKBType 
attackerkb
 attackerkb
🔗 attackerkb.com👁 72 Views

Race in grant table handling allows guests to access freed pages when switching from version two to version one.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
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
cve
CVE
CVE-2021-28701
8 Sep 202113:02
–cve
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
Vulners
Node
OR
xenxenMatch4.15
xenxenMatch4.11
xenxenMatch4.12

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24 Feb 2026 20:32Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.8
CVSS 24.4
EPSS0.00266
72