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CVE-2025-39802: linux kernel from 6.16 (inclusive), before 6.16.4 (exclusive); +1 more affected products
CVE-2025-39802. CVSS 3.1 base score 7.8 (HIGH, NVD). EPSS 0.00252 (percentile 0.15641), scored 19-Oct-2026.
Affected technology
linux kernel · from 6.16 (inclusive), before 6.16.4 (exclusive)
linux
Linux · 773426f4771bdd82ac5c834bf4c1775315c73a46 to before 87bdfba903be7084cb3ee04032b14a81181fe413, 773426f4771bdd82ac5c834bf4c1775315c73a46 to before 52c3e242f4d0043186b70d65460ba1767f27494a
Linux
Linux · 6.16
Linux
Component: Not specified by the source
File: lib/crypto/arm/poly1305-glue.c
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
Attack conditions (NVD, 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 7.5/10) rates confidentiality and integrity impact as none; availability impact as high. NVD’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
- 31.3 /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 · NVD
- EPSS
- 0.00252 · percentile 0.15641 · 2026-10-19
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-20 01:44:01.123206+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-39802.html