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CVE-2026-89561: Linux 5.7
CVE-2026-89561. CVSS 3.1 base score 7.5 (HIGH, Source advisory). EPSS 0.00441 (percentile 0.36837), scored 17-Oct-2026.
Affected technology
Linux · 8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3 to before e7123e10c86eb88eaa90537dd1f232706de2d308, 8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3 to before 63f50e9f90d0287ad66a0955ebfc2d3a9c044a1c, 8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3 to before eab3a917cdcb182542a3aac6a0d2d30659ca9821, 8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3 to before f826df95332c07380206dbd54178b6eefb311aba
Linux
Linux · 5.7
Linux
Component: Not specified by the source
File: net/ipv6/exthdrs.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 7.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 30.1 /100 (P4)
- CVSS 3.1
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Source advisory
- EPSS
- 0.00441 · percentile 0.36837 · 2026-10-17
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-19 10:33:46.008150+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-89561.html