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CVE-2021-37576

nvd nist
Published: Jul 26, 2021Modified: Jun 17, 2026

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7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: NVD

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.

Affected (9)

Linux
1 product
Linux Kernel
Fedoraproject
1 product
Fedora
Configuration A
7 vulnerable
Vulnerable SoftwareAffected Versions
Linux
Linux Kernel
From 3.10 to 4.4.277
Linux Kernel
From 4.10 to 4.14.241
Linux Kernel
From 4.15 to 4.19.199
Linux Kernel
From 4.20 to 5.4.136
Linux Kernel
From 4.5 to 4.9.277
Linux Kernel
From 5.11 to 5.13.6
Linux Kernel
From 5.5 to 5.10.54
Configuration B
2 vulnerable
Vulnerable SoftwareAffected Versions
Fedoraproject
Fedora
Version 33
Fedora
Version 34

Related CWEs

CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.

References (14)

Source: cve@mitre.org
ExploitMailing ListPatchThird Party Advisory
Source: cve@mitre.org
PatchVendor Advisory
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitMailing ListPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.