Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2024-27397— netfilter: nf_tables: use timestamp to check for set element timeout

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 模块存在超时问题。

CVSS 7.8 · High EPSS 0.26% · P17

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux c3e1b005ed1cc068fc9d454a6e745830d55d251d< f8dfda798650241c1692058713ca4fef8e429061 affected
c3e1b005ed1cc068fc9d454a6e745830d55d251d< eaf1a29ea5d7dba8e84e9e9f3b3f47d0cd540bfe affected
c3e1b005ed1cc068fc9d454a6e745830d55d251d< 7b17de2a71e56c10335b565cc7ad238e6d984379 affected
c3e1b005ed1cc068fc9d454a6e745830d55d251d< 0d40e8cb1d1f56a994cdd2e015af622fdca9ed4d affected
c3e1b005ed1cc068fc9d454a6e745830d55d251d< b45176b869673417ace338b87cf9cdb66e2eeb01 affected
c3e1b005ed1cc068fc9d454a6e745830d55d251d< 7fa2e2960fff8322ce2ded57b5f8e9cbc450b967 affected
c3e1b005ed1cc068fc9d454a6e745830d55d251d< 383182db8d58c4237772ba0764cded4938a235c3 affected
c3e1b005ed1cc068fc9d454a6e745830d55d251d< 7395dfacfff65e9938ac0889dafa1ab01e987d15 affected
… +10 more rows
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2024-27397

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
netfilter: nf_tables: use timestamp to check for set element timeout
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: use timestamp to check for set element timeout Add a timestamp field at the beginning of the transaction, store it in the nftables per-netns area. Update set backend .insert, .deactivate and sync gc path to use the timestamp, this avoids that an element expires while control plane transaction is still unfinished. .lookup and .update, which are used from packet path, still use the current time to check if the element has expired. And .get path and dump also since this runs lockless under rcu read size lock. Then, there is async gc which also needs to check the current time since it runs asynchronously from a workqueue.
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 c3e1b005ed1cc068fc9d454a6e745830d55d251d ~ f8dfda798650241c1692058713ca4fef8e429061 -
Linux Linux 4.1 -

II. Public POCs for CVE-2024-27397

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2024-27397

请登录查看更多情报信息。

Patches & Fixes for CVE-2024-27397 (1)

Other References for CVE-2024-27397 (6)

Same Patch Batch · Linux · 2024-05-09 · 6 CVEs total

CVE-2023-52654 7.8 HIGH io_uring/af_unix: disable sending io_uring over sockets
CVE-2024-27394 7.8 HIGH tcp: Fix Use-After-Free in tcp_ao_connect_init
CVE-2024-27395 7.8 HIGH net: openvswitch: Fix Use-After-Free in ovs_ct_exit
CVE-2024-27396 7.8 HIGH net: gtp: Fix Use-After-Free in gtp_dellink
CVE-2024-27393 7.5 HIGH xen-netfront: Add missing skb_mark_for_recycle

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-27397

No comments yet

Leave a comment