CVE-2026-31417

HIGH

net/x25: Fix overflow when accumulating packets

Title source: cna
STIX 2.1

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()`.

Scores

CVSS v3 7.5
EPSS 0.0007
EPSS Percentile 22.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-191
Status published
Products (21)
Linux/Linux < 2.6.12
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 1734bd85c5e0a7a801295b729efb56b009cb8fc3
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 4e2d1bcef78d21247fe8fef13bc7ed95885df2b5
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 6e568835ea54a3e1d08e310e34f95d434e739477
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 798d613afb64b01a203f448fb0f43c37c6afe79d
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 8c92969c197b91c134be27dc3afb64ab468853a9
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 96fc16370b0bceb289c7e0479bd0540b81e257aa
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - a1822cb524e89b4cd2cf0b82e484a2335496a6d9
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - f953f11ccf4afe6feb635c08145f4240d9a6b544
Linux/Linux 2.6.12
... and 11 more
Published Apr 13, 2026
Tracked Since Apr 13, 2026