Disclosure summary
net/sched: sch_qfq: do not free existing class in qfq_change_class()
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
ZDI: Published Advisories · RSS-cb89c75e033ebfea27ff4ab8591bec4c2fc
Open original source · Updated Sep 14, 2026
ZDI-26-700: Linux Kernel QFQ Plus Scheduler Use-After-Free Local Privilege Escalation Vulnerability
CVE mention in publisher metadata; check the original affected versions.
Microsoft Security Updates (CVRF) · 2026-Jan
Open original source · Updated Mar 03, 2026
net/sched: sch_qfq: do not free existing class in qfq_change_class()
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 5.5
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0 | (MSRC status code 3) |
Vendor remediation references
- CBL-Mariner Releases · build 5.15.200.1-1 · product IDs 17087-17086
- Vendor guidance · product IDs 17087-17086
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-02-27T20:04:35-05:00
MODIFIED 2026-03-03T09:37:23-05:00
INGESTED 2026-10-08T12:45:21-04:00