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CVE-2026-89570: Linux 6.15
CVE-2026-89570. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00168 (percentile 0.05758), scored 17-Oct-2026.
Affected technology
Linux · 516e5bd0b6bf4ae1ad072df637b428a737c3c870 to before 5563db13c9528a56c7161260ec75ec8690dc5608, 516e5bd0b6bf4ae1ad072df637b428a737c3c870 to before 491d8c9ac98d55073bda778f88a5248d4cce3fa0, 516e5bd0b6bf4ae1ad072df637b428a737c3c870 to before 775d0f4558f4cec0ee0c8966595d1add1791f36e
Linux
Linux · 6.15
Linux
Component: Not specified by the source
File: drivers/cxl/core/mbox.c, drivers/cxl/core/mce.c, drivers/cxl/core/region.c, drivers/cxl/cxl.h, drivers/cxl/cxlmem.h
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
- 0.00168 · percentile 0.05758 · 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-2026-89570.html