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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-7192
HistoryJan 02, 2024 - 7:15 p.m.

CVE-2023-7192

2024-01-0219:15:11
Debian Security Bug Tracker
security-tracker.debian.org
12
memory leak
ctnetlink_create_conntrack
linux kernel
dos
refcount overflow
netfilter

4.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5.9 Medium

AI Score

Confidence

High

1.4 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

MULTIPLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

9.3%

A memory leak problem was found in ctnetlink_create_conntrack in net/netfilter/nf_conntrack_netlink.c in the Linux Kernel. This issue may allow a local attacker with CAP_NET_ADMIN privileges to cause a denial of service (DoS) attack due to a refcount overflow.

4.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5.9 Medium

AI Score

Confidence

High

1.4 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

MULTIPLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

9.3%