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CVE-2026-89903: Linux 6.3
CVE-2026-89903. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00175 (percentile 0.06554), scored 17-Oct-2026.
Affected technology
Linux · 3f5536860086d906b01ec5ed68cf50c7edcc40af to before a03b5e7483ad2c33ba5dd2adb8552e84bfee8fe2, 3f5536860086d906b01ec5ed68cf50c7edcc40af to before 8f15e95b438bc6b3c9f23a33c9a0d0678ebd1dc8, 3f5536860086d906b01ec5ed68cf50c7edcc40af to before 266ffc92e68593759adfe3d58f188773d32782c3, 3f5536860086d906b01ec5ed68cf50c7edcc40af to before c048b0a3c0836c4b1bef4b51d355d27090bf6790, 3f5536860086d906b01ec5ed68cf50c7edcc40af to before c3f2feace5e4f4b01b68b9f947b19adb4155c32e
Linux
Linux · 6.3
Linux
Component: Not specified by the source
File: arch/loongarch/kernel/rethook_trampoline.S
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
- 0.00175 · percentile 0.06554 · 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-2026-89903.html