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CVE-2025-21768: linux kernel from 4.10 (inclusive), before 6.12.16 (exclusive), from 6.13 (inclusive), before 6.13.4 (exclusive), 6.14…
CVE-2025-21768. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.00205 (percentile 0.09863), scored 20-Oct-2026.
Affected technology
linux kernel · from 4.10 (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 · 6c8702c60b88651072460f3f4026c7dfe2521d12 to before e2ef3fa31353b30bda94358fe5205c141289746d, 6c8702c60b88651072460f3f4026c7dfe2521d12 to before 5ab11a4e219e93b8b31a27f8ec98d42afadd8b7a, 6c8702c60b88651072460f3f4026c7dfe2521d12 to before 4c0f200c7d06fedddde82209c099014d63f4a6c0, 6c8702c60b88651072460f3f4026c7dfe2521d12 to before 92191dd1073088753821b862b791dcc83e558e07
Linux
Linux · 4.10
Linux
Component: Not specified by the source
File: net/ipv6/ioam6_iptunnel.c, net/ipv6/rpl_iptunnel.c, net/ipv6/seg6_iptunnel.c
Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
NVD’s CVSS 3.1 assessment (base score 5.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-401
- CCR priority
- 22.1 /100 (P4)
- CVSS 3.1
- 5.5 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · NVD
- EPSS
- 0.00205 · percentile 0.09863 · 2026-10-20
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-21 16:14:50.830645+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-21 16:09:05.633125+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-21768.html