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CVE-2025-39777: linux kernel from 6.16 (inclusive), before 6.16.4 (exclusive); +1 more affected products
CVE-2025-39777. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.0013 (percentile 0.02367), scored 19-Oct-2026.
Affected technology
linux kernel · from 6.16 (inclusive), before 6.16.4 (exclusive)
linux
Linux · 42d9f6c774790d290c175e8775ce9f1366438098 to before 7ec68c59461ca846aab9b7c2b39f63ac7c8a43cf, 42d9f6c774790d290c175e8775ce9f1366438098 to before 962ddc5a7a4b04c007bba0f3e7298cda13c62efd
Linux
Linux · 6.16
Linux
Component: Not specified by the source
Function: use, pointer
File: crypto/deflate.c, crypto/zstd.c, include/crypto/internal/acompress.h
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.
- CCR priority
- 22.0 /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
- 0.0013 · percentile 0.02367 · 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-2025-39777.html