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CVE-2024-26581— netfilter: nft_set_rbtree: skip end interval element from gc

Quick assessment

Affected
Linux Linux
Exploitation
Public or AI PoC available; prioritize validation
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 模块存在问题，可能导致跳过结束间隔元素。

CVSS 7.8 · High EPSS 2.21% · P82

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 23

VendorProduct Version RangeStatus
Linux Linux 8284a79136c384059e85e278da2210b809730287< c60d252949caf9aba537525195edae6bbabc35eb affected
acaee227cf79c45a5d2d49c3e9a66333a462802c< 10e9cb39313627f2eae4cd70c4b742074e998fd8 affected
893cb3c3513cf661a0ff45fe0cfa83fe27131f76< 4cee42fcf54fec46b344681e7cc4f234bb22f85a affected
50cbb9d195c197af671869c8cadce3bd483735a0< 2bab493a5624444ec6e648ad0d55a362bcb4c003 affected
89a4d1a89751a0fbd520e64091873e19cc0979e8< 1296c110c5a0b45a8fcf58e7d18bc5da61a565cb affected
f718863aca469a109895cb855e6b81fff4827d71< b734f7a47aeb32a5ba298e4ccc16bb0c52b6dbf7 affected
f718863aca469a109895cb855e6b81fff4827d71< 6eb14441f10602fa1cf691da9d685718b68b78a9 affected
f718863aca469a109895cb855e6b81fff4827d71< 60c0c230c6f046da536d3df8b39a20b9a9fd6af0 affected
… +15 more rows
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I. Basic Information for CVE-2024-26581

Vulnerability Information
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Vulnerability Title
netfilter: nft_set_rbtree: skip end interval element from gc
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_rbtree: skip end interval element from gc rbtree lazy gc on insert might collect an end interval element that has been just added in this transactions, skip end interval elements that are not yet active.
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 模块存在问题，可能导致跳过结束间隔元素。
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 8284a79136c384059e85e278da2210b809730287 ~ c60d252949caf9aba537525195edae6bbabc35eb -
Linux Linux 6.5 -

II. Public POCs for CVE-2024-26581

# POC Description Source Link Shenlong Link
1 [CVE-2024-26581] Vulnerability Checker for BGN Internal https://github.com/madfxr/CVE-2024-26581-Checker POC Details
2 None https://github.com/laoqin1234/Linux-Root-CVE-2024-26581-PoC POC Details
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III. Intelligence Information for CVE-2024-26581

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Mailing List Discussions for CVE-2024-26581 (1)

Other References for CVE-2024-26581 (6)

Same Patch Batch · Linux · 2024-02-20 · 7 CVEs total

CVE-2023-52434 8.1 HIGH smb: client: fix potential OOBs in smb2_parse_contexts()
CVE-2023-52433 7.8 HIGH netfilter: nft_set_rbtree: skip sync GC for new elements in this transaction
CVE-2023-52436 7.8 HIGH f2fs: explicitly null-terminate the xattr list
CVE-2023-52438 7.8 HIGH binder: fix use-after-free in shinker's callback
CVE-2023-52439 7.8 HIGH uio: Fix use-after-free in uio_open
CVE-2023-52435 net: prevent mss overflow in skb_segment()

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-26581

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