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CVE-2026-97587: Linux 5.18
CVE-2026-97587 affects azl3 kernel 6.6.157.1-1 on Azure Linux 3.0. CVSS 3.1 base score 5.5 (Microsoft Security Response Center). EPSS 0.002 (percentile 0.09249), scored 20-Oct-2026.
Affected technology
Linux · e9991434596f5373dfd75857b445eb92a9253c56 to before 5a1b6379eed5b13eac0228b605b0bed988e547e9, e9991434596f5373dfd75857b445eb92a9253c56 to before 143668c424772979a45118dc9cc9c2c13a35f41d, e9991434596f5373dfd75857b445eb92a9253c56 to before 9bec7beaed074bcae4181fde9ff9dfbe4e7b0957, e9991434596f5373dfd75857b445eb92a9253c56 to before e5481db31f4654e9a1254d5d467d9b1ff2f8b1cb, e9991434596f5373dfd75857b445eb92a9253c56 to before 6809da6e9c08ccc9a09cb0a48c61471679274aaa
Linux
Linux · 5.18
Linux
Component: Not specified by the source
File: drivers/perf/riscv_pmu_legacy.c, drivers/perf/riscv_pmu_sbi.c, include/linux/perf/riscv_pmu.h
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 integrity impact as none; 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
- 22.1 /100 (P4)
- CVSS 3.1
- 5.5 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U · Microsoft Security Response Center
- EPSS
- 0.002 · percentile 0.09249 · 2026-10-20
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-20 16:56:29.772392+00:00 UTC
- GitHub Advisory Database · Source record · observed 2026-10-21 16:14:50.830645+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 2026-10-21 16:09:05.633125+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-97587.html