CVE-2026-31417

HighCVSS 7.5/10Last modified Oct 15, 2026

Description

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()`.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-191

Affected software

VendorProductVersions
LinuxLinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 96fc16370b0bceb289c7e0479bd0540b81e257aa; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 798d613afb64b01a203f448fb0f43c37c6afe79d; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 6e568835ea54a3e1d08e310e34f95d434e739477; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 1734bd85c5e0a7a801295b729efb56b009cb8fc3; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 4e2d1bcef78d21247fe8fef13bc7ed95885df2b5; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 8c92969c197b91c134be27dc3afb64ab468853a9; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < f953f11ccf4afe6feb635c08145f4240d9a6b544; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < a1822cb524e89b4cd2cf0b82e484a2335496a6d9
LinuxLinux2.6.12
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP>= V3.1.6, < *
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP>= V3.1.5, < *
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP>= V3.1.7, < *
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP>= V3.1.6, < *
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP>= V3.1.5, < *
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP>= V3.1.7, < *
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP>= V3.1.6, < *
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP>= V3.1.5, < *
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP>= V3.1.7, < *
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP>= V3.1.6, < *
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP>= V3.1.5, < *
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP>= V3.1.7, < *
SiemensSIPLUS S7-1500 CPU 1518-4 PN/DP MFP>= V3.1.6, < *
SiemensSIPLUS S7-1500 CPU 1518-4 PN/DP MFP>= V3.1.5, < *
SiemensSIPLUS S7-1500 CPU 1518-4 PN/DP MFP>= V3.1.7, < *

References

Timeline

Published
Apr 13, 2026
Last modified
Oct 15, 2026
NVD status
Modified

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