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P4

CVE-2026-90237: Linux 5.3

CVE-2026-90237 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00165 (percentile 0.05358), scored 17-Oct-2026.

Affected technology

Linux · 857b46027d6f91150797295752581b7155b9d0e1 to before af3fe52fd108fd38235e4813df62442ed0f1d8ff, 857b46027d6f91150797295752581b7155b9d0e1 to before 3679da4ad8be84cddaf40bc307fef1fe13e051ff
Linux

Linux · 5.3
Linux

Component: Not specified by the source
Function: to
File: include/net/netfilter/nf_conntrack_helper.h, net/netfilter/nf_conntrack_helper.c, net/netfilter/nft_ct.c

Attack conditions (Source advisory, 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 7.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

Product
azl3 kernel 6.6.150.1-1 on Azure Linux 3.0
CCR priority
31.2 /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 · Source advisory
EPSS
0.00165 · percentile 0.05358 · 2026-10-17
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-90237.html