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CVE-2024-44945— netfilter: nfnetlink: Initialise extack before use in ACKs

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于在ACK中没有初始化extack。

CVSS 7.1 · High EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 6

VendorProduct Version RangeStatus
Linux Linux bf2ac490d28c21a349e9eef81edc45320fca4a3c< 3e03b536d9454c5802168b9e85248d456d3ff6a3 affected
bf2ac490d28c21a349e9eef81edc45320fca4a3c< d1a7b382a9d3f0f3e5a80e0be2991c075fa4f618 affected
6.10 affected
< 6.10 unaffected
6.10.7≤ 6.10.* unaffected
6.11≤ * unaffected
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I. Basic Information for CVE-2024-44945

Vulnerability Information
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Vulnerability Title
netfilter: nfnetlink: Initialise extack before use in ACKs
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink: Initialise extack before use in ACKs Add missing extack initialisation when ACKing BATCH_BEGIN and BATCH_END.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于在ACK中没有初始化extack。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux bf2ac490d28c21a349e9eef81edc45320fca4a3c ~ 3e03b536d9454c5802168b9e85248d456d3ff6a3 -
Linux Linux 6.10 -

II. Public POCs for CVE-2024-44945

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III. Intelligence Information for CVE-2024-44945

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Patches & Fixes for CVE-2024-44945 (2)

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-44945

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