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CVE-2026-89563: Linux 4.7
CVE-2026-89563. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00139 (percentile 0.02878), scored 15-Oct-2026.
Affected technology
Linux · 058214a4d1dfefed9f01a277fadd3590acb5f990 to before 6e8eff8ed13b14708bc39f170144eacde494aac6, 058214a4d1dfefed9f01a277fadd3590acb5f990 to before dc1a319a4815c074914e2812e0e9cd0164ca682b, 058214a4d1dfefed9f01a277fadd3590acb5f990 to before 629d5557e635cdbc109a14ed913ba5a540e3f79a, 058214a4d1dfefed9f01a277fadd3590acb5f990 to before defa0adeff132cc90ed66915b9a104d9393e1e54, 058214a4d1dfefed9f01a277fadd3590acb5f990 to before 37df5bc6b5ccad88c2faa0f5466f150178882b74, 058214a4d1dfefed9f01a277fadd3590acb5f990 to before b36dfd6e8cff00cea81c11cc0af88d1564763461, 058214a4d1dfefed9f01a277fadd3590acb5f990 to before 8fc56ca49fc0ee1725b55c67bb43ab0dd01f3f52, 058214a4d1dfefed9f01a277fadd3590acb5f990 to before 87f21b59ddc618eff9670c174842964ad65fdade
Linux
Linux · 4.7
Linux
Component: Not specified by the source
File: net/ipv6/ip6_tunnel.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.
- 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
- 0.00139 · percentile 0.02878 · 2026-10-15
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-16 20:20:42.059737+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-89563.html