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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
30

5.5 Medium

CVSS3

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

2.1 Low

CVSS2

Access Vector

LOCAL

Access 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

0.001 Low

EPSS

Percentile

24.5%

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< 4.4.0-222.255) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
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< 4.4.0-1102.107) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1138.152) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu20.04noarchlinux-aws-5.11< 5.11.0-1016.17~20.04.1UNKNOWN
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1-10 of 581

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Information Disclosure
2021-09-11 17:29:48
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CVE-2021-38198 affecting package kernel 5.10.189.1-1
2021-09-09 15:03:26
CVE-2021-38198 affecting package kernel 5.10.78.1-1
2022-04-09 06:52:47
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5.5 Medium

CVSS3

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

2.1 Low

CVSS2

Access Vector

LOCAL

Access 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

0.001 Low

EPSS

Percentile

24.5%

JSON
Related for UB:CVE-2021-38198
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