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CVE-2026-89528: Linux 4.13
CVE-2026-89528 affects azl3 kernel 6.6.157.1-1 on Azure Linux 3.0. CVSS 3.1 base score 7.5 (HIGH, Source advisory). EPSS 0.00655 (percentile 0.50491), scored 20-Oct-2026.
Affected technology
Linux · 026d958b38c628a1b4ced534808945365e2747a5 to before beb4e9801f6362436102acc4cc5304b7324f9365, 026d958b38c628a1b4ced534808945365e2747a5 to before e70fdb121171c3eb0ac34eb545721828cd737717, 026d958b38c628a1b4ced534808945365e2747a5 to before 1a3af2262cb384112ef38632de4690682be528b4, 026d958b38c628a1b4ced534808945365e2747a5 to before 465f511f59a0fa7a80d5d1073c4b24f28ea38f58, 026d958b38c628a1b4ced534808945365e2747a5 to before 0ca487abb3bdf581851664b5db21f364caf57682
Linux
Linux · 4.13
Linux
Component: Not specified by the source
File: net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 7.5/10) 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
- 30.2 /100 (P4)
- CVSS 3.1
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Source advisory
- EPSS
- 0.00655 · percentile 0.50491 · 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-2026-89528.html