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ubuntucveUbuntu.comUB:CVE-2021-22555
HistoryJul 07, 2021 - 12:00 a.m.

CVE-2021-22555

2021-07-0700:00:00
ubuntu.com
ubuntu.com
74

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/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

0.003 Low

EPSS

Percentile

65.1%

JSON

A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered
in net/netfilter/x_tables.c. This allows an attacker to gain privileges or
cause a DoS (via heap memory corruption) through user name space

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-144.148UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-74.83UNKNOWN
ubuntu21.04noarchlinux< 5.11.0-18.19UNKNOWN
ubuntu14.04noarchlinux< 3.13.0-187.238) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchlinux< 4.4.0-213.245) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu20.10noarchlinux< 5.8.0-55.62UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1103.110UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1049.51UNKNOWN
ubuntu21.04noarchlinux-aws< 5.11.0-1008.8UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1131.145) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
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1-10 of 601

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7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/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

0.003 Low

EPSS

Percentile

65.1%

JSON
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