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CVE-2025-21763: linux kernel from 2.6.25 (inclusive), before 5.4.291 (exclusive), from 5.5 (inclusive), before 5.10.235 (exclusive)…
CVE-2025-21763. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00263 (percentile 0.16865), scored 14-Oct-2026.
Affected technology
linux kernel · from 2.6.25 (inclusive), before 5.4.291 (exclusive)
linux
linux kernel · from 5.5 (inclusive), before 5.10.235 (exclusive)
linux
linux kernel · from 5.11 (inclusive), before 5.15.179 (exclusive)
linux
linux kernel · from 5.16 (inclusive), before 6.1.129 (exclusive)
linux
linux kernel · from 6.2 (inclusive), before 6.6.79 (exclusive)
linux
linux kernel · from 6.7 (inclusive), before 6.12.16 (exclusive)
linux
linux kernel · from 6.13 (inclusive), before 6.13.4 (exclusive)
linux
linux kernel · 6.14 · update rc1
linux
linux kernel · 6.14 · update rc2
linux
Linux · 426b5303eb435d98b9bee37a807be386bc2b3320 to before e1aed6be381bcd7f46d4ca9d7ef0f5f3d6a1be32, 426b5303eb435d98b9bee37a807be386bc2b3320 to before 8666e9aab801328c1408a19fbf4070609dc0695a, 426b5303eb435d98b9bee37a807be386bc2b3320 to before 40d8f2f2a373b6c294ffac394d2bb814b572ead1, 426b5303eb435d98b9bee37a807be386bc2b3320 to before 784eb2376270e086f7db136d154b8404edacf97b, 426b5303eb435d98b9bee37a807be386bc2b3320 to before 1cbb2aa90cd3fba15ad7efb5cdda28f3d1082379, 426b5303eb435d98b9bee37a807be386bc2b3320 to before cdd5c2a12ddad8a77ce1838ff9f29aa587de82df, 426b5303eb435d98b9bee37a807be386bc2b3320 to before 559307d25235e24b5424778c7332451b6c741159, 426b5303eb435d98b9bee37a807be386bc2b3320 to before becbd5850c03ed33b232083dd66c6e38c0c0e569
Linux
Linux · 2.6.25
Linux
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · 0 to before *
Siemens
Component: Not specified by the source
File: net/core/neighbour.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.
- CWE
- CWE-416
- CCR priority
- 31.3 /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
- 0.00263 · percentile 0.16865 · 2026-10-14
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-15 09:24:28.011626+00:00 UTC
- GitHub Advisory Database · Source record · observed 2026-10-15 10:43:56.988652+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-15 09:18:22.406219+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-21763.html