CVE-2026-89682: Linux 5.17

CVE-2026-89682. CVSS 3.1 base score 8.1 (HIGH, Source advisory). EPSS 0.00534 (percentile 0.43862), scored 17-Oct-2026.

Affected technology

Linux · 1463b38e7cf34d4cc60f41daff459ad807b2e408 to before ba0ee9e04b7a0356c28d5a2fe445db675d24e572, 1463b38e7cf34d4cc60f41daff459ad807b2e408 to before cadc9036d5a8209f89e7026ddba7cfb1c716b03c, 1463b38e7cf34d4cc60f41daff459ad807b2e408 to before bbf13732f74351d21c5e0e8dd9bd8e1c48dc35d4, e8f923e1e9fcc0832a12c8a2461792e5a9544c03, 3bc94fb44f10ef852723e1aeaac6794c5ab16aec, 5.10.220 to before 5.11, 5.15.154 to before 5.16
Linux

Linux · 5.17
Linux

Component: Not specified by the source
File: fs/nfsd/filecache.c, fs/nfsd/netns.h

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 8.1/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 19-Oct-2026 10:36 UTC

CCR priority: 32.5 /100 (P4)
CVSS 3.1: 8.1 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
EPSS: 0.00534 · percentile 0.43862 · 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-2026-89682.html