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VULNERABILITIES

CVE-2021-38198 Details

Description

arch/x86/kvm/mmu/paging_tmpl.h in the Linux kernel before 5.12.11 incorrectly computes the access permissions of a shadow page, leading to a missing guest protection page fault.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.11 CVEMailing ListPatchVendor Advisory
https://github.com/torvalds/linux/commit/b1bd5cba3306691c771d558e94baa73e8b0b96b7 CVEExploitPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html CVEMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html CVEMailing ListThird Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.11 [email protected]Mailing ListPatchVendor Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-noinfoInsufficient Information to Classify Weakness[email protected]

Affected Products

ProductVersions
linux linux kernel
< 5.12.11

CPE

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
debian debian linux
9.0

CPE

  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

8 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-38198
NVD Published Date:
Aug 8, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-38198 Details - Not Deferred