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CVE ID: CVE-2021-37576

Last updated: Oct. 18, 2021, 11:55 a.m.

Severity: HIGH

Description

arch/powerpc/kvm/book3s_rtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtas_args.nargs, aka CID-f62f3c20647e.

Severity score: 10.0 Base score: 7.2 Exploitability score: 3.9 Confidentiality impact: COMPLETE Integrity impact: COMPLETE User interaction required: False Published: July 26, 2021, 10:15 p.m. Data type: CVE Data format: MITRE Assigner: cve@mitre.org Problem type: CWE-787 Reference url: https://lore.kernel.org/linuxppc-dev/87im0x1lqi.fsf@mpe.ellerman.id.au/T/#u Reference name: https://lore.kernel.org/linuxppc-dev/87im0x1lqi.fsf@mpe.ellerman.id.au/T/#u Reference source: MISC CVE version: 2.0 Vector string: AV:L/AC:L/Au:N/C:C/I:C/A:C Access vector: LOCAL Access complexity: LOW Authentication: NONE Base severity: AcInsf info: False Obtain all priviledges: False User privilege: False Other privilege: False

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