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Vulnerability Intelligence

Vulnerability IntelligenceCVE-2021-38198

CVE-2021-38198

MEDIUM5.5

arch/x86/kvm/mmu/paging_tmpl

Published Aug 8, 2021

Modified 1 years ago

Details

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.

References

WEBhttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.11 WEBhttps://github.com/torvalds/linux/commit/b1bd5cba3306691c771d558e94baa73e8b0b96b7 WEBhttps://lists.debian.org/debian-lts-announce/2021/10/msg00010.html WEBhttps://lists.debian.org/debian-lts-announce/2021/12/msg00012.html ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2021-38198

CVSS Analysis

CVSS v3.1

5.5

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

5.5/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Ecosystems

Timeline

PublishedAug 8, 2021

ModifiedAug 4, 2024

CVE-2021-38198 | Mondoo Vulnerability Intelligence