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CVE-2026-90300: Linux 5.12
CVE-2026-90300 affects azl3 kernel 6.6.157.1-1 on Azure Linux 3.0. CVSS 3.1 base score 7.1 (Microsoft Security Response Center). EPSS 0.00198 (percentile 0.08873), scored 14-Oct-2026.
Affected technology
Linux · 06ab134ce8ecfa5a69e850f88f81c8a4c3fa91df to before 1f0f61573ba4cb899105b5cef65be3ca02205f93, 06ab134ce8ecfa5a69e850f88f81c8a4c3fa91df to before f523359c4789bb0396d2d642464a6e2fd4f2299d, 06ab134ce8ecfa5a69e850f88f81c8a4c3fa91df to before f5d242825ca417bb6afe35fde6e8880f97ca43fb, d921baabd96445ef9c9c9410ca06164359c8a1a5, 9c020a533eaae1c2d41a7e3835c4c818a9b4b656, ff6bdc205fd0a83bd365405d4e31fb5905826996, 5.10.30 to before 5.11, 5.11.14 to before 5.12, 5.10.96 to before 5.11
Linux
Linux · 5.12
Linux
Component: Not specified by the source
File: kernel/bpf/stackmap.c
Attack conditions (Microsoft Security Response Center, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
Microsoft Security Response Center’s CVSS 3.1 assessment 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.
- Product
- azl3 kernel 6.6.157.1-1 on Azure Linux 3.0
- CCR priority
- 28.4 /100 (P4)
- CVSS 3.1
- 7.1 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H/E:U · Microsoft Security Response Center
- EPSS
- 0.00198 · percentile 0.08873 · 2026-10-14
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-15 09:24:28.011626+00:00 UTC
- GitHub Advisory Database · Source record · observed 2026-10-15 12:39:55.759815+00:00 UTC
- Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-04 07:08:49.022374+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-15 11:57:11.427822+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-90300.html