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CVE-2026-63999: linux kernel 6.15; +1 more affected products

CVE-2026-63999. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.00166 (percentile 0.05308), scored 2026-10-06.

Affected technology

linux kernel · from 5.15.181 (inclusive), before 5.16 (exclusive)
linux

linux kernel · from 6.1.135 (inclusive), before 6.2 (exclusive)
linux

linux kernel · from 6.6.88 (inclusive), before 6.7 (exclusive)
linux

linux kernel · from 6.12.24 (inclusive), before 6.13 (exclusive)
linux

linux kernel · from 6.13.12 (inclusive), before 6.14 (exclusive)
linux

linux kernel · from 6.14.3 (inclusive), before 6.15 (exclusive)
linux

linux kernel · from 6.15.1 (inclusive), before 6.18.35 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 7.0.12 (exclusive)
linux

linux kernel · 6.15
linux

linux kernel · 6.15 · update rc2
linux

linux kernel · 6.15 · update rc3
linux

linux kernel · 6.15 · update rc4
linux

linux kernel · 6.15 · update rc5
linux

linux kernel · 6.15 · update rc6
linux

linux kernel · 6.15 · update rc7
linux

linux kernel · 7.1 · update rc1
linux

linux kernel · 7.1 · update rc2
linux

linux kernel · 7.1 · update rc3
linux

linux kernel · 7.1 · update rc4
linux

linux kernel · 7.1 · update rc5
linux

Linux · 4f038a6a02d20859a3479293cbf172b0f14cbdd6 to before 33d05c22d6f227c5ae171c46df2f6f8bf48047ea, 4f038a6a02d20859a3479293cbf172b0f14cbdd6 to before 80d95d92f828cfcace955d673637d944178b435f, 4f038a6a02d20859a3479293cbf172b0f14cbdd6 to before 266297692f97008ca48bc311775c087c59bd7fe3, 81a5174e64ce4fb7b7a2f6499b835c904c9451ee, ec9faff49a4ea27731de39cb887b7e590e93157b, c5ed0eaddcbda56079091fc3876b140a6e70a548, a065b996052656a65afc51ad82336dc55ae4c72f, adee9db710a6117b978a25ed4153846b7c56ec9a, 5eb3fdc4b6281b29e830300c866a36d90442b1f0, 5.15.181 to before 5.16, 6.1.135 to before 6.2, 6.6.88 to before 6.7, 6.12.24 to before 6.13, 6.13.12 to before 6.14, 6.14.3 to before 6.15
Linux

Linux · 6.15
Linux

Component: Not specified by the source
Function: returns
File: net/ethtool/rss.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.

Published

CWE
CWE-401
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
0.00166 · percentile 0.05338 · 2026-10-08
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-63999.html