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CVE-2021-29657

🗓️ 22 Jul 2021 16:44:33Reported by mitreType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 4 Media mentions👁 201 Views

Linux kernel vulnerability CVE-2021-29657 allows AMD KVM guest to bypass access control on host OS MSRs

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Detection
Refs
Social
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2021-29657
22 Jul 202117:15
–attackerkb
bdu_fstec
BDU FSTEC
Linux arch/x86/kvm/svm/nested.c Use-After-Free Privilege Escalation
5 Oct 202100:00
–bdu_fstec
cbl_mariner
CBLMariner
CVE-2021-29657 affecting package kernel 5.10.189.1-1
9 Sep 202115:03
–cbl_mariner
cbl_mariner
CBLMariner
CVE-2021-29657 affecting package kernel for versions less than 5.10.78.1-1
9 Apr 202206:52
–cbl_mariner
circl
Circl
CVE-2021-29657
16 Dec 202207:26
–circl
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
7 Apr 202100:00
–cnnvd
cnvd
CNVD
Linux kernel security bypass vulnerability (CNVD-2021-60525)
23 Jul 202100:00
–cnvd
cvelist
Cvelist
CVE-2021-29657
22 Jul 202116:44
–cvelist
debiancve
Debian CVE
CVE-2021-29657
22 Jul 202116:44
–debiancve
euvd
EUVD
EUVD-2021-16131
7 Oct 202500:30
–euvd
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NVD
Node
OR
linuxlinux_kernelRange5.10–5.10.28
linuxlinux_kernelRange5.11–5.11.12

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17 Jun 2026 03:48Current
7.1High risk
Vulners AI Score7.1
CVSS 26.9
CVSS 3.17.4
EPSS0.00416
201