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CVE-2026-93813: Linux 2.6.37
CVE-2026-93813 affects azl3 kernel 6.6.157.1-1 on Azure Linux 3.0. CVSS 3.1 base score 4.4 (HIGH, Microsoft Security Response Center). EPSS 0.00129 (percentile 0.02237), scored 13-Oct-2026. Fixed version: 60078a3e25c09d9d8fba828b0d81bb33e449a1b2. Fixed version: 509d6a4d889e425f305461d8323a7b39ca6c121c. Fixed version: 4cb41f07685f88ec724a375883bb0c731db8f6eb. Fixed version: eeddee090b834a7d4b6a8214d2e3739e64c7a338. Fixed version: 8f75c19892263bc0555fba922aefe103e841e86d. Fixed version: 3dc22abc21f5892406c09202fa2627196cc96967. Fixed version: 5.15.222. Fixed version: 6.1.189. Fixed version: 6.6.158. Fixed version: 6.12.111.
Affected technology
Linux · 2ede0daf01549cecf4bb0962c46dc47382047523 to before 60078a3e25c09d9d8fba828b0d81bb33e449a1b2, 2ede0daf01549cecf4bb0962c46dc47382047523 to before 509d6a4d889e425f305461d8323a7b39ca6c121c, 2ede0daf01549cecf4bb0962c46dc47382047523 to before 4cb41f07685f88ec724a375883bb0c731db8f6eb, 2ede0daf01549cecf4bb0962c46dc47382047523 to before eeddee090b834a7d4b6a8214d2e3739e64c7a338, 2ede0daf01549cecf4bb0962c46dc47382047523 to before 8f75c19892263bc0555fba922aefe103e841e86d, 2ede0daf01549cecf4bb0962c46dc47382047523 to before 3dc22abc21f5892406c09202fa2627196cc96967
Linux
Linux · 2.6.37
Linux
Component: Not specified by the source
File: fs/btrfs/tree-checker.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.
- Product
- azl3 kernel 6.6.157.1-1 on Azure Linux 3.0
- CCR priority
- 17.6 /100 (P5)
- CVSS 3.1
- 4.4 /10 · CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H · Microsoft Security Response Center
- EPSS
- 0.00129 · percentile 0.02237 · 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-2026-93813.html