CVE-2026-31417

HIGH

In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix overflow when accumulating packets Add a check to ensure that `x25_sock.fraglen` does not overflow. The `fraglen` also needs to be resetted when purging `fragment_queue` in `x25_clear_queues()`.

CVSS v3.1 Score

7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Published: 4/13/2026Modified: 7/14/2026

Related Intelligence (1)

CRITICALAi

Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP

<p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-209-04.json"><strong>View CSAF</strong></a></p> <h2>Summary</h2> <p><strong>Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the firmware version V3.1.6 for the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP (incl. SIPLUS variant). Siemens is preparing fix versions and recommend

CVE-2021-41617CVE-2023-28531
CISA Advisories

References (10)

https://git.kernel.org/stable/c/1734bd85c5e0a7a801295b729efb56b009cb8fc3Patchhttps://git.kernel.org/stable/c/4e2d1bcef78d21247fe8fef13bc7ed95885df2b5Patchhttps://git.kernel.org/stable/c/6e568835ea54a3e1d08e310e34f95d434e739477Patchhttps://git.kernel.org/stable/c/798d613afb64b01a203f448fb0f43c37c6afe79dPatchhttps://git.kernel.org/stable/c/8c92969c197b91c134be27dc3afb64ab468853a9Patchhttps://git.kernel.org/stable/c/96fc16370b0bceb289c7e0479bd0540b81e257aaPatchhttps://git.kernel.org/stable/c/a1822cb524e89b4cd2cf0b82e484a2335496a6d9Patchhttps://git.kernel.org/stable/c/f953f11ccf4afe6feb635c08145f4240d9a6b544Patchhttps://cert-portal.siemens.com/productcert/html/ssa-019113.htmlhttps://cert-portal.siemens.com/productcert/html/ssa-082556.html