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ubuntucveUbuntu.comUB:CVE-2022-27666
HistoryMar 23, 2022 - 12:00 a.m.

CVE-2022-27666

2022-03-2300:00:00
ubuntu.com
ubuntu.com
28
ipsec
buffer overflow
privilege escalation
esp transformation code
kernel heap objects
local attacker

CVSS2

4.6

Attack Vector

LOCAL

Attack 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

CVSS3

7.8

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

EPSS

0

Percentile

5.1%

A heap buffer overflow flaw was found in IPsec ESP transformation code in
net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with
a normal user privilege to overwrite kernel heap objects and may cause a
local privilege escalation threat.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-175.184UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-107.121UNKNOWN
ubuntu21.10noarchlinux< 5.13.0-39.44UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1126.135UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1071.76UNKNOWN
ubuntu21.10noarchlinux-aws< 5.13.0-1021.23UNKNOWN
ubuntu20.04noarchlinux-aws-5.13< 5.13.0-1021.23~20.04.2UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1071.76~18.04.1UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1126.135~16.04.2UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1074.77UNKNOWN
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CVSS2

4.6

Attack Vector

LOCAL

Attack 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

CVSS3

7.8

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

EPSS

0

Percentile

5.1%