CVE-2026-22999 - net/sched: sch_qfq: do not free existing class in qfq_change_class()

CVE ID : CVE-2026-22999 Published : Jan. 25, 2026, 2:36 p.m. | 29 minutes ago Description : 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. Severity: 0.0 | NA Visit the link for more details, such as CVSS details, affected products, timeline, and more...