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ubuntuUbuntuUSN-5346-1
HistoryMar 24, 2022 - 12:00 a.m.

Linux kernel (OEM) vulnerability

2022-03-2400:00:00
ubuntu.com
122

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

7.3 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

70.1%

Releases

  • Ubuntu 20.04 LTS

Packages

  • linux-oem-5.14 - Linux kernel for OEM systems

Details

It was discovered that the ICMPv6 implementation in the Linux kernel did
not properly deallocate memory in certain situations. A remote attacker
could possibly use this to cause a denial of service (memory exhaustion).

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

7.3 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

70.1%