CVE-2025-21711

Medium

Description

In the Linux kernel, the following vulnerability has been resolved: net/rose: prevent integer overflows in rose_setsockopt() In case of possible unpredictably large arguments passed to rose_setsockopt() and multiplied by extra values on top of that, integer overflows may occur. Do the safest minimum and fix these issues by checking the contents of 'opt' and returning -EINVAL if they are too large. Also, switch to unsigned int and remove useless check for negative 'opt' in ROSE_IDLE case.

SeverityMedium
CVSS5.5
Exploit probability—
ProductLinux Kernel
PublishedFeb 27, 2025
First seenFeb 27, 2025

How to fix

Update
  • linux linux_kernel6.1.129, 6.6.76, 6.12.13, 6.13.2 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel2.6.12 ≤ v < 6.1.129, 6.2 ≤ v < 6.6.76, 6.7 ≤ v < 6.12.13, 6.13 ≤ v < 6.13.26.1.129, 6.6.76, 6.12.13, 6.13.2

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CVE-2025-21711 · Linux Kernel · Dark Radar