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cnvdChina National Vulnerability DatabaseCNVD-2024-14766
HistoryJan 05, 2024 - 12:00 a.m.

Linux Kernel Denial of Service Vulnerability (CNVD-2024-14766)

2024-01-0500:00:00
China National Vulnerability Database
www.cnvd.org.cn
12
linux kernel
denial of service
vulnerability
memory leak
ctnetlink_create_conntrack
nf_conntrack_netlink.c
dos attack
reference count 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

6.2 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

5.3%

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A denial of service attack vulnerability exists in the Linux Kernel. The vulnerability is due to a memory leak found in ctnetlink_create_conntrack in net/netfilter/nf_conntrack_netlink.c in the Linux kernel. A local attacker can exploit this vulnerability to cause a denial of service (DoS) attack due to a reference count overflow.

CPENameOperatorVersion
linux linux kernellt6.3

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

6.2 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

5.3%