CVE-2026-46039

CRITICAL

rxgk: Fix potential integer overflow in length check

Title source: cna

Description

In the Linux kernel, the following vulnerability has been resolved: rxgk: Fix potential integer overflow in length check Fix potential integer overflow in rxgk_extract_token() when checking the length of the ticket. Rather than rounding up the value to be tested (which might overflow), round down the size of the available data.

References (3)

Core 3

Core References

https://git.kernel.org/stable/c/43222ac484f93b3ec2d240a7575e1cedd31f5fa4

https://git.kernel.org/stable/c/183d37f12d1c8ed24a5bfc7addad05510da22a94

https://git.kernel.org/stable/c/6929350080f4da292d111a3b33e53138fee51cec

Scores

CVSS v3 9.8

EPSS 0.0044

EPSS Percentile 35.7%

Attack Vector NETWORK

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

Details

CWE

CWE-190

Status published

Products (15)

linux/Kernel 6.17.0 - 6.18.27linux

linux/Kernel 6.19.0 - 7.0.4linux

Linux/Linux < 6.17

Linux/Linux 2429a197648178cd4dc930a9d87c13c547460564 - 183d37f12d1c8ed24a5bfc7addad05510da22a94

Linux/Linux 2429a197648178cd4dc930a9d87c13c547460564 - 43222ac484f93b3ec2d240a7575e1cedd31f5fa4

Linux/Linux 2429a197648178cd4dc930a9d87c13c547460564 - 6929350080f4da292d111a3b33e53138fee51cec

Linux/Linux 6.16.9 - 6.17

Linux/Linux 6.17

Linux/Linux 6.18.27 - 6.18.*

Linux/Linux 7.0.4 - 7.0.*

... and 5 more

Published May 27, 2026

Tracked Since May 27, 2026