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ubuntucveUbuntu.comUB:CVE-2022-21499
HistoryMay 24, 2022 - 12:00 a.m.

CVE-2022-21499

2022-05-2400:00:00
ubuntu.com
ubuntu.com
23

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

14.2%

JSON

KGDB and KDB allow read and write access to kernel memory, and thus should
be restricted during lockdown. An attacker with access to a serial port
could trigger the debugger so it is important that the debugger respect the
lockdown mode when/if it is triggered. CVSS 3.1 Base Score 6.7
(Confidentiality, Integrity and Availability impacts). CVSS Vector:
(CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

OSVersionArchitecturePackageVersionFilename
ubuntu16.04noarchlinux-hwe< 4.15.0-184.194~16.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu18.04noarchlinux< 4.15.0-184.194UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-117.132UNKNOWN
ubuntu21.10noarchlinux< 5.13.0-48.54UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-35.36UNKNOWN
ubuntu14.04noarchlinux< 3.13.0-190.241) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchlinux< 4.4.0-227.261) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1133.143UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1078.84UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1107.113) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
Rows per page:
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6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

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Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

14.2%

JSON
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