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

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

https://cvefeed.io/rssfeed/latest.atom / Sun, 01/25/2026 - 16:59
CVE ID : CVE-2026-22999
Published : Jan. 25, 2026, 3:15 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
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