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CVE-2025-40257: Linux 5.10; +1 more affected products
CVE-2025-40257 affects azl3 kernel 6.6.112.1-2 on Azure Linux 3.0. CVSS 3.1 base score 9.8 (CRITICAL, Source advisory). EPSS 0.00464 (percentile 0.38889), scored 19-Oct-2026.
Affected technology
Linux · 00cfd77b9063dcdf3628a7087faba60de85a9cc8 to before 9be29f8e7ce4e147e56caac2c3a0ce3573cf9c17, 00cfd77b9063dcdf3628a7087faba60de85a9cc8 to before e2d1ad207174a7cd7903dd27a00db4b2dfa6c64b, 00cfd77b9063dcdf3628a7087faba60de85a9cc8 to before 385ddc0f008f24d1e7d03be998b3a98a37bd29ff, 00cfd77b9063dcdf3628a7087faba60de85a9cc8 to before c602cc344b4b8d41515fec3ffa98457ac963ee12, 00cfd77b9063dcdf3628a7087faba60de85a9cc8 to before 6d3275d4ca62e2c02e1b7e8cd32db59df91c14b7, 00cfd77b9063dcdf3628a7087faba60de85a9cc8 to before bbbd75346c8e6490b19c2ba90f38ea66ccf352b2, 00cfd77b9063dcdf3628a7087faba60de85a9cc8 to before 426358d9be7ce3518966422f87b96f1bad27295f
Linux
Linux · 5.10
Linux
RUGGEDCOM RST2428P · 0 to before V4.0
Siemens
Component: Not specified by the source
File: net/mptcp/pm.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 9.8/10) 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 6.6.112.1-2 on Azure Linux 3.0
- CCR priority
- 39.3 /100 (P4)
- CVSS 3.1
- 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
- EPSS
- 0.00464 · percentile 0.38889 · 2026-10-19
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-19 14:17:18.977832+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 2026-10-20 01:44:01.123206+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-40257.html