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CVE-2024-26642— netfilter: nf_tables: disallow anonymous set with timeout flag

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netfilter:nf_tables:disallow存在带超时标志的匿名集。

CVSS 7.8 · High EPSS 0.27% · P17

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 761da2935d6e18d178582dbdf315a3a458555505< e4988d8415bd0294d6f9f4a1e7095f8b50a97ca9 affected
761da2935d6e18d178582dbdf315a3a458555505< e9a0d3f376eb356d54ffce36e7cc37514cbfbd6f affected
761da2935d6e18d178582dbdf315a3a458555505< fe40ffbca19dc70d7c6b1e3c77b9ccb404c57351 affected
761da2935d6e18d178582dbdf315a3a458555505< 7cdc1be24cc1bcd56a3e89ac4aef20e31ad09199 affected
761da2935d6e18d178582dbdf315a3a458555505< 72c1efe3f247a581667b7d368fff3bd9a03cd57a affected
761da2935d6e18d178582dbdf315a3a458555505< c0c2176d1814b92ea4c8e7eb7c9cd94cd99c1b12 affected
761da2935d6e18d178582dbdf315a3a458555505< 8e07c16695583a66e81f67ce4c46e94dece47ba7 affected
761da2935d6e18d178582dbdf315a3a458555505< 16603605b667b70da974bea8216c93e7db043bf1 affected
… +10 more rows
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I. Basic Information for CVE-2024-26642

Vulnerability Information
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Vulnerability Title
netfilter: nf_tables: disallow anonymous set with timeout flag
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: disallow anonymous set with timeout flag Anonymous sets are never used with timeout from userspace, reject this. Exception to this rule is NFT_SET_EVAL to ensure legacy meters still work.
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netfilter:nf_tables:disallow存在带超时标志的匿名集。
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 ~ e4988d8415bd0294d6f9f4a1e7095f8b50a97ca9 -
Linux Linux 4.1 -

II. Public POCs for CVE-2024-26642

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III. Intelligence Information for CVE-2024-26642

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Patches & Fixes for CVE-2024-26642 (1)

Mailing List Discussions for CVE-2024-26642 (2)

Other References for CVE-2024-26642 (7)

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-2023-52620 7.8 HIGH netfilter: nf_tables: disallow timeout for anonymous sets

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-26642

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