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CVE-2026-89720: Linux 5.3
CVE-2026-89720. CVSS 3.1 base score 7.7 (HIGH, Source advisory). EPSS 0.00185 (percentile 0.07553), scored 17-Oct-2026.
Affected technology
Linux · 817aa094842dfc3a6b98c9582d4a647827f66201 to before ab7405bd86331cc2dbc8201699d4adc33bea75e7, 817aa094842dfc3a6b98c9582d4a647827f66201 to before 11abc34698cb3172badf8aa12e623f1bac98bbd8, 817aa094842dfc3a6b98c9582d4a647827f66201 to before 8cc3da72cf57acb4b77442ea8cec48425dff7c06, 817aa094842dfc3a6b98c9582d4a647827f66201 to before 37a9d25a563f5f9103282954ce573c4a61321e7c, 817aa094842dfc3a6b98c9582d4a647827f66201 to before f76b79d6e42af20682495bccd22f72c7164b0018, 817aa094842dfc3a6b98c9582d4a647827f66201 to before a1dc246f98bb94233effa4fa3ec7bf84700bb7d1, 817aa094842dfc3a6b98c9582d4a647827f66201 to before 83e1aa9f5f906c9b1f4949d0521f0f950a159d96, 817aa094842dfc3a6b98c9582d4a647827f66201 to before 95d27c1708bb6e8823c8e7c623f9abc2a91bf4bf
Linux
Linux · 5.3
Linux
Component: Not specified by the source
File: fs/ubifs/auth.c
Attack conditions (Source advisory, CVSS 3.1): Local · No privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 7.7/10) rates confidentiality and availability impact as high; integrity impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 30.8 /100 (P4)
- CVSS 3.1
- 7.7 /10 · CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H · Source advisory
- EPSS
- 0.00185 · percentile 0.07553 · 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-2026-89720.html