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ubuntucveUbuntu.comUB:CVE-2023-6040
HistoryJan 12, 2024 - 12:00 a.m.

CVE-2023-6040

2024-01-1200:00:00
ubuntu.com
ubuntu.com
22
vulnerability
netfilter
out-of-bounds access
nf_tables
reject tables
unsupported family
nf_tables_newtable
cwe-125
unix

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

6.9 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

5.1%

An out-of-bounds access vulnerability involving netfilter was reported and
fixed as: f1082dd31fe4 (netfilter: nf_tables: Reject tables of unsupported
family); While creating a new netfilter table, lack of a safeguard against
invalid nf_tables family (pf) values within nf_tables_newtable function
enables an attacker to achieve out-of-bounds access.

Notes

Author Note
eslerm CWE-125
OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlinux< 5.4.0-170.188UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-92.102UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1117.127UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1052.57UNKNOWN
ubuntu20.04noarchlinux-aws-5.15< 5.15.0-1052.57~20.04.1UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1117.127~18.04.1UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1122.129UNKNOWN
ubuntu22.04noarchlinux-azure< 5.15.0-1054.62UNKNOWN
ubuntu20.04noarchlinux-azure-5.15< 5.15.0-1054.62~20.04.1UNKNOWN
ubuntu18.04noarchlinux-azure-5.4< 5.4.0-1122.129~18.04.1UNKNOWN
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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

6.9 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

5.1%