CVE-2026-22999
Published: Jan 25, 2026
Modified: May 11, 2026
CVSS v3.1
7.8
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.
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected 462dbc9101acd38e92eda93c0726857517a24bbd - < 2a64fb9b47afffeb5dbab5fd3a518e1436dcc90eaffected 462dbc9101acd38e92eda93c0726857517a24bbd - < cff6cd703f41d8071995956142729e4bba160363affected 462dbc9101acd38e92eda93c0726857517a24bbd - < f06f7635499bc806cbe2bbc8805c7cef8b1edddfaffected 462dbc9101acd38e92eda93c0726857517a24bbd - < 0a234660dc70ce45d771cbc76b20d925b73ec160affected 462dbc9101acd38e92eda93c0726857517a24bbd - < 362e269bb03f7076ba9990e518aeddb898232e50+2 more versions |
Linux | Linux | affected 3.8unaffected 0 - < 3.8unaffected 5.10.249 - <= 5.10.*unaffected 5.15.199 - <= 5.15.*unaffected 6.1.162 - <= 6.1.*+4 more versions |
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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