Medium 5.5Published Mar 25, 2026

CVE-2026-23365net: usb: kalmia: validate USB endpoints

Updated under an hour ago (Oct 27, 2026, 10:00 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: net: usb: kalmia: validate USB endpoints The kalmia driver should validate that the device it is probing has the proper number and types of USB endpoints it is expecting before it binds to it. If a malicious device were to not have the same urbs the driver will crash later on when it blindly accesses these endpoints.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from d40261236e8e278cb1936cb5e934262971692b10 before ff675bc5b3e8c356f9d993d65d0bae6ed0dc7459; from d40261236e8e278cb1936cb5e934262971692b10 before 185050b47df3d41e49f20ad01beea2e7b9cddaa7; from d40261236e8e278cb1936cb5e934262971692b10 before 28a380bfa5bc7f6a9380b85e8eab919ee6ac1701; from d40261236e8e278cb1936cb5e934262971692b10 before 12c0243de0aee0ab27cc00932fd5edae65c1e3a2; from d40261236e8e278cb1936cb5e934262971692b10 before 51c20ea5f1555a984c041b0dbf56f00d41b9e652; from d40261236e8e278cb1936cb5e934262971692b10 before 011684cd18349aa4c52167c8ac37a0524169f48c; from d40261236e8e278cb1936cb5e934262971692b10 before 7bfda1a0be4caec3263753d567678451cef73a85; from d40261236e8e278cb1936cb5e934262971692b10 before c58b6c29a4c9b8125e8ad3bca0637e00b71e2693	CNA record
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.6	CISA ADP
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name)	from V3.1.6	CISA ADP
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem siemens:simatic_s7_1500_tm_mfp_gnu_linux_subsystem (from the name)	all versions	CISA ADP
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.6	CISA ADP
linux linux_kernel linux:linux_kernel	from 3.0.1 before 5.10.253; from 5.11 before 5.15.203; from 5.16 before 6.1.167; from 6.2 before 6.6.130; from 6.7 before 6.12.77; from 6.13 before 6.18.17; from 6.19 before 6.19.7; 3.0; and 7 more ranges	NVD

References

References

https://git.kernel.org/stable/c/ff675bc5b3e8c356f9d993d65d0bae6ed0dc7459	patch
https://git.kernel.org/stable/c/185050b47df3d41e49f20ad01beea2e7b9cddaa7	patch
https://git.kernel.org/stable/c/28a380bfa5bc7f6a9380b85e8eab919ee6ac1701	patch
https://git.kernel.org/stable/c/12c0243de0aee0ab27cc00932fd5edae65c1e3a2	patch
https://git.kernel.org/stable/c/51c20ea5f1555a984c041b0dbf56f00d41b9e652	patch
https://git.kernel.org/stable/c/011684cd18349aa4c52167c8ac37a0524169f48c	patch
https://git.kernel.org/stable/c/7bfda1a0be4caec3263753d567678451cef73a85	patch
https://git.kernel.org/stable/c/c58b6c29a4c9b8125e8ad3bca0637e00b71e2693	patch
https://cert-portal.siemens.com/productcert/html/ssa-019113.html
https://cert-portal.siemens.com/productcert/html/ssa-082556.html
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The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.