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CVE-2026-89584: Linux 6.18
CVE-2026-89584. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00165 (percentile 0.05347), scored 17-Oct-2026.
Affected technology
Linux · 5ff3f74e145adc79b49668adb8de276446acf6be to before d44a97a3b1c00cc571245124e23e5ceb0a0225a0, 5ff3f74e145adc79b49668adb8de276446acf6be to before 14b007e178811db72fbb1ebb3535160db6ec1e6a
Linux
Linux · 6.18
Linux
Component: Not specified by the source
File: block/bio.c, block/blk-map.c, block/fops.c, fs/iomap/direct-io.c, include/linux/bio.h, include/linux/uio.h, lib/iov_iter.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
- 0.00165 · percentile 0.05347 · 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-2026-89584.html