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CVE-2023-52620— netfilter: nf_tables: disallow timeout for anonymous sets

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，该漏洞源于存在匿名集超时问题。

CVSS 7.8 · High EPSS 0.27% · P17

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 761da2935d6e18d178582dbdf315a3a458555505< 116b0e8e4673a5faa8a739a19b467010c4d3058c affected
761da2935d6e18d178582dbdf315a3a458555505< 49ce99ae43314d887153e07cec8bb6a647a19268 affected
761da2935d6e18d178582dbdf315a3a458555505< 6f3ae02bbb62f151b19162d5fdc9fe3d48450323 affected
761da2935d6e18d178582dbdf315a3a458555505< 00b19ee0dcc1aef06294471ab489bae26d94524e affected
761da2935d6e18d178582dbdf315a3a458555505< b7be6c737a179a76901c872f6b4c1d00552d9a1b affected
761da2935d6e18d178582dbdf315a3a458555505< e26d3009efda338f19016df4175f354a9bd0a4ab affected
4.1 affected
< 4.1 unaffected
… +6 more rows
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I. Basic Information for CVE-2023-52620

Vulnerability Information
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Vulnerability Title
netfilter: nf_tables: disallow timeout for anonymous sets
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: disallow timeout for anonymous sets Never used from userspace, disallow these parameters.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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，该漏洞源于存在匿名集超时问题。
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 761da2935d6e18d178582dbdf315a3a458555505 ~ 116b0e8e4673a5faa8a739a19b467010c4d3058c -
Linux Linux 4.1 -

II. Public POCs for CVE-2023-52620

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III. Intelligence Information for CVE-2023-52620

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Mailing List Discussions for CVE-2023-52620 (2)

Other References for CVE-2023-52620 (6)

Same Patch Batch · Linux · 2024-03-21 · 3 CVEs total

CVE-2024-26643 7.8 HIGH netfilter: nf_tables: mark set as dead when unbinding anonymous set with timeout
CVE-2024-26642 7.8 HIGH netfilter: nf_tables: disallow anonymous set with timeout flag

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-52620

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