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CVE-2026-46043: linux kernel from 4.8 (inclusive), before 5.10.258 (exclusive), from 5.11 (inclusive), before 5.15.209 (exclusive)…

CVE-2026-46043. CVSS 3.1 base score 9.1 (CRITICAL, Source advisory). EPSS 0.00514 (percentile 0.42434), scored 15-Oct-2026.

Affected technology

linux kernel · from 4.8 (inclusive), before 5.10.258 (exclusive)
linux

linux kernel · from 5.11 (inclusive), before 5.15.209 (exclusive)
linux

linux kernel · from 5.16 (inclusive), before 6.1.175 (exclusive)
linux

linux kernel · from 6.2 (inclusive), before 6.6.140 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.86 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.27 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 7.0.4 (exclusive)
linux

Linux · 8700e3e7c4857d28ebaa824509934556da0b3e76 to before c4376c672c3648d5bdc31dfffc329d07164f93c4, 8700e3e7c4857d28ebaa824509934556da0b3e76 to before 5fedefec757192dcaad29a664ac332c7601be144, 8700e3e7c4857d28ebaa824509934556da0b3e76 to before 2c0d71ef12f46c57d37bc571f3f2797db7eb50cc, 8700e3e7c4857d28ebaa824509934556da0b3e76 to before 2fd4f8b749309a61c3f3f88ee8891d94f79e1240, 8700e3e7c4857d28ebaa824509934556da0b3e76 to before f83519a4c122c9c7a850a2197648a9ff4c67c520, 8700e3e7c4857d28ebaa824509934556da0b3e76 to before 9b924f3a26b21330a837cfe72e819b6393bbeeaa, 8700e3e7c4857d28ebaa824509934556da0b3e76 to before e8ee0e792d475b1067c199ef0af1b6221fa6f43d, 8700e3e7c4857d28ebaa824509934556da0b3e76 to before 7244491dab347f648e661da96dc0febadd9daec3
Linux

Linux · 4.8
Linux

Component: Not specified by the source
File: drivers/infiniband/sw/rxe/rxe_recv.c

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 9.1/10) rates confidentiality and availability impact as high; integrity impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

CCR priority
36.5 /100 (P4)
CVSS 3.1
9.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H · Source advisory
EPSS
0.00514 · percentile 0.42434 · 2026-10-15
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-46043.html