net/sched: sch_qfq: Fix NULL deref when deactivating inactive aggregate in qfq_reset — CVE-2026-22976
Date
Source
MSRC
MSRC
Vendor
Microsoft
Microsoft
Threat
medium
medium
CVSS
5.5
5.5
Summary
Advisory CVE-2026-22976. net/sched: sch_qfq: Fix NULL deref when deactivating inactive aggregate in qfq_reset Vendor: Microsoft. Source: MSRC. Threat: medium. CVSS 5.5. See the official advisory for details.
What to do
General, cautious steps (verify details in the official source):
- Review exposure and plan remediation based on risk and environment.
- Identify affected product versions in your inventory and verify whether you are impacted.
- Apply vendor patches/updates or recommended mitigations as soon as available.
- Read the official advisory for exact affected versions and remediation steps.