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CVE-2026-74347: Linux 3.4
CVE-2026-74347 affects linux. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00175 (percentile 0.06351), scored 06-Oct-2026. Fixed version: 7.1.5-1. Fixed version: 6.12.112-r0. Fixed version: 6.18.53-r0.
Affected technology
Linux · 50978462300f74dc48aea4a38471cb69bdf741a5 to before b2e84317f334d834fb06c9b340ea465f398b6d4f, 50978462300f74dc48aea4a38471cb69bdf741a5 to before 44583fd5735cb0bdf3bfe11b1e51504ce387bdb7, 50978462300f74dc48aea4a38471cb69bdf741a5 to before 9aeb0dcfeb460d33d61d434148b51103ab1d2013, 50978462300f74dc48aea4a38471cb69bdf741a5 to before 7d6a9cdb8d3a51d9cfe546a09a518ab3d2671549
Linux
Linux · 3.4
Linux
Component: Not specified by the source
File: include/net/netfilter/nf_conntrack_timeout.h, net/netfilter/nf_conntrack_core.c, net/netfilter/nf_conntrack_timeout.c, net/netfilter/nfnetlink_cttimeout.c, net/netfilter/nft_ct.c, net/netfilter/xt_CT.c
Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- Product
- linux
- CCR priority
- 31.2 /100 (P4)
- CVSS 3.1
- 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · Source advisory
- EPSS
- 0.00175 · percentile 0.06416 · 2026-10-10
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-10 21:26:32.650893+00:00 UTC
- GitHub Advisory Database · Source record · observed 2026-10-04 06:01:24.332572+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-04 05:55:03.931280+00:00 UTC
- OSV.dev · Source record · observed 2026-10-08 08:57:13.774521+00:00 UTC
- OSV.dev · Source record · observed 2026-10-04 13:35:46.972631+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-74347.html