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CVE-2026-74743: Linux 2.6.23
CVE-2026-74743 affects linux. CVSS 3.1 base score 9.8 (CRITICAL, Source advisory). EPSS 0.00536 (percentile 0.43652), scored 13-Oct-2026. Fixed version: 6.1.187-1. Fixed version: 6.12.105-1. Fixed version: 7.1.10-1. Fixed version: 6.12.107-1~deb12u1.
Affected technology
Linux · b863ceb7ddcea8c55fcf1d7b2ac591d50aa7ed53 to before c2ef3f134b069c54b9cc95cce1a16c38c4939336, b863ceb7ddcea8c55fcf1d7b2ac591d50aa7ed53 to before 7b0eb3e0f363ca79a3af9efd2e87c6258f11da2b, b863ceb7ddcea8c55fcf1d7b2ac591d50aa7ed53 to before 8cd90e850e434577bf6774778657d26d6995e53f, b863ceb7ddcea8c55fcf1d7b2ac591d50aa7ed53 to before 28afc87bd8da0b3348bbbd834c8a89e83712cf5e, b863ceb7ddcea8c55fcf1d7b2ac591d50aa7ed53 to before 8f6a05dbac05725e0786701eb04778c5bdbe4eaa, b863ceb7ddcea8c55fcf1d7b2ac591d50aa7ed53 to before 96fa90b74385b7f2b0d97251dd43d5ee6ca44668, b863ceb7ddcea8c55fcf1d7b2ac591d50aa7ed53 to before bc9a00fb78e32bccc39d763bfd13a450705bac5d, b863ceb7ddcea8c55fcf1d7b2ac591d50aa7ed53 to before cef51860becd9700217c81732ca1eb1ea6ed6fe1
Linux
Linux · 2.6.23
Linux
Component: Not specified by the source
File: drivers/net/macvlan.c
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 9.8/10) 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
- 39.3 /100 (P4)
- CVSS 3.1
- 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
- EPSS
- 0.00536 · percentile 0.43908 · 2026-10-15
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-16 09:43:43.583708+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 2026-10-16 20:20:42.059737+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-2026-74743.html