PT-2026-94398 · Linux · Linux Kernel
CVE-2026-90050
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Published
2026-09-17
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Updated
2026-09-24
None
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Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
An issue exists in the Fair Queuing (fq) scheduler where the change path accepts
TCA FQ QUANTUM and TCA FQ INITIAL QUANTUM values up to INT MAX. This allows a user with CAP NET ADMIN privileges to override the initial clamping limits, potentially restoring a small-quantum deficit spin. The flaw is present when CONFIG NET SCH FQ is enabled.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
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Related Identifiers
Affected Products
Linux Kernel