CVE-2021-28039

MEDIUM

6.5

Description

An issue was discovered in the Linux kernel 5.9.x through 5.11.3, as used with Xen. In some less-common configurations, an x86 PV guest OS user can crash a Dom0 or driver domain via a large amount of I/O activity. The issue relates to misuse of guest physical addresses when a configuration has CONFIG_XEN_UNPOPULATED_ALLOC but not CONFIG_XEN_BALLOON_MEMORY_HOTPLUG.

Details CVE

Score CVSS v3.16.5

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Vecteur d'attaqueLOCAL

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie3/5/2021

Derniere modification11/21/2024

Sourcenvd

Observations honeypot0

Produits affectes

linux:linux_kernelnetapp:cloud_backupnetapp:solidfire_baseboard_management_controller_firmwarexen:xen

Faiblesses (CWE)

CWE-131

References

http://www.openwall.com/lists/oss-security/2021/03/05/2(cve@mitre.org)

http://xenbits.xen.org/xsa/advisory-369.html(cve@mitre.org)

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=882213990d32fd224340a4533f6318dd152be4b2(cve@mitre.org)

https://security.netapp.com/advisory/ntap-20210409-0001/(cve@mitre.org)

http://www.openwall.com/lists/oss-security/2021/03/05/2(af854a3a-2127-422b-91ae-364da2661108)

http://xenbits.xen.org/xsa/advisory-369.html(af854a3a-2127-422b-91ae-364da2661108)

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=882213990d32fd224340a4533f6318dd152be4b2(af854a3a-2127-422b-91ae-364da2661108)

https://security.netapp.com/advisory/ntap-20210409-0001/(af854a3a-2127-422b-91ae-364da2661108)

Correlations IOC

Aucune correlation enregistree

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