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CVE-2026-89507: Linux 6.18
CVE-2026-89507. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00127 (percentile 0.02132), scored 17-Oct-2026.
Affected technology
Linux · a3c9d0fcd3715541bbf97da2ddde9d032e2fe6d5 to before 4f8bb11dd2ff365e7cff1c9964ab4607292d364e, a3c9d0fcd3715541bbf97da2ddde9d032e2fe6d5 to before 0be1955040a2eceed0ecfc387fdc92305411d273, a3c9d0fcd3715541bbf97da2ddde9d032e2fe6d5 to before f4cc21c6a8e9d392871477f9fd98d68e5ad80272
Linux
Linux · 6.18
Linux
Component: Not specified by the source
File: drivers/infiniband/core/ucma.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
- 0.00127 · percentile 0.02132 · 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-2026-89507.html