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ubuntucveUbuntu.comUB:CVE-2021-38198
HistoryAug 08, 2021 - 12:00 a.m.

CVE-2021-38198

2021-08-0800:00:00
ubuntu.com
ubuntu.com
38
linux kernel
access permissions
vulnerability
guest protection
paging template
unix

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

25.7%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-161.169UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-89.100UNKNOWN
ubuntu21.04noarchlinux< 5.11.0-31.33UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-222.255UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1114.121UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1058.61UNKNOWN
ubuntu21.04noarchlinux-aws< 5.11.0-1016.17UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1102.107UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1138.152UNKNOWN
ubuntu20.04noarchlinux-aws-5.11< 5.11.0-1016.17~20.04.1UNKNOWN
Rows per page:
1-10 of 551

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CVE-2021-38198 affecting package kernel for versions less than 5.10.78.1-1
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CVE-2021-38198 affecting package kernel 5.10.189.1-1
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CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

25.7%

JSON
Related for UB:CVE-2021-38198
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