cvedb.io
CVE-2026-22999
HIGH · CVSS 7.8
EPSS exploitation probability: 0%
Published 2026-01-25T15:15:54.753 · Last modified 2026-06-17T13:20:10.273

Summary

In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_qfq: do not free existing class in qfq_change_class() Fixes qfq_change_class() error case. cl->qdisc and cl should only be freed if a new class and qdisc were allocated, or we risk various UAF.

Affected products

linux — linux_kernel

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.