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CVE-2026-97421: Linux 5.10
CVE-2026-97421 affects azl3 kernel 6.6.157.1-1 on Azure Linux 3.0. CVSS 3.1 base score 5.8 (HIGH, Microsoft Security Response Center). EPSS 0.00129 (percentile 0.02243), scored 13-Oct-2026. Fixed version: 3014da7587ce006cd08004fd6b257626b314e0a3. Fixed version: ddccf6cc3861de2fe60986933bead79220e0d797. Fixed version: e9bbb5f5349ef560ff6f0395564f04c3aa664559. Fixed version: ae3cf7d2c4d506c5c91746321644e1a08d989e2a. Fixed version: 5fc5b73109540809b094710fac44da81dd8a3ff8. Fixed version: 09ea6837a0434fb4db99528a5055b6d822135dcf. Fixed version: 5.5. Fixed version: 5.9. Fixed version: 5.10. Fixed version: 5.15.222.
Affected technology
Linux · a40c20dabdf9045270767c75918feb67f0727c89 to before 3014da7587ce006cd08004fd6b257626b314e0a3, a40c20dabdf9045270767c75918feb67f0727c89 to before ddccf6cc3861de2fe60986933bead79220e0d797, a40c20dabdf9045270767c75918feb67f0727c89 to before e9bbb5f5349ef560ff6f0395564f04c3aa664559, a40c20dabdf9045270767c75918feb67f0727c89 to before ae3cf7d2c4d506c5c91746321644e1a08d989e2a, a40c20dabdf9045270767c75918feb67f0727c89 to before 5fc5b73109540809b094710fac44da81dd8a3ff8, a40c20dabdf9045270767c75918feb67f0727c89 to before 09ea6837a0434fb4db99528a5055b6d822135dcf, 85e40ba1c4a5246b35e91c2ed69d4680426904d7, 59f07434b297e2268f5d5c567db5b09145245cf1, 488229b7729d7becf4c39c5e74fb709fb35115c2, 5.4.73 to before 5.5, 5.8.17 to before 5.9, 5.9.2 to before 5.10
Linux
Linux · 5.10
Linux
Component: Not specified by the source
File: drivers/infiniband/core/umem.c, include/rdma/ib_umem.h
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.
- Product
- azl3 kernel 6.6.157.1-1 on Azure Linux 3.0
- CCR priority
- 23.2 /100 (P4)
- CVSS 3.1
- 5.8 /10 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H · Microsoft Security Response Center
- EPSS
- 0.00129 · percentile 0.02243 · 2026-10-13
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-14 05:24:14.258005+00:00 UTC
- GitHub Advisory Database · Source record · observed 2026-10-04 06:01:24.332572+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 2026-10-04 05:55:03.931280+00:00 UTC
- OSV.dev · Source record · observed 2026-10-14 16:28:58.499616+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-97421.html