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P4

CVE-2026-89676: Linux 4.20

CVE-2026-89676. CVSS 3.1 base score 9.8 (CRITICAL, Source advisory). EPSS 0.00457 (percentile 0.38151), scored 15-Oct-2026.

Affected technology

Linux · e0639dc5805a9d4faaa2c07ad98fa853b9529dd3 to before 7aa34ea78f74e6ef60c8112635a87fc43d57f6c9, e0639dc5805a9d4faaa2c07ad98fa853b9529dd3 to before 9b4e5e9ba5ae13808b8a6d229d87c54611ba0e7a, e0639dc5805a9d4faaa2c07ad98fa853b9529dd3 to before 14b978e8d05ce018d0afbeb6611833ef91713a02, e0639dc5805a9d4faaa2c07ad98fa853b9529dd3 to before d0beaee498e11880e72826026db0e9c9890fc114
Linux

Linux · 4.20
Linux

Component: Not specified by the source
File: fs/nfsd/nfs4proc.c

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 9.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

CCR priority
39.3 /100 (P4)
CVSS 3.1
9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
EPSS
0.00457 · percentile 0.38151 · 2026-10-15
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-89676.html