CVE-2026-22999
- ULN >
- Oracle Linux CVE repository >
- CVE-2026-22999
CVE Details
| Release Date: | 2026-01-25 | |
| Impact: | Moderate | What is this? |
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.
See more information about CVE-2026-22999 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 5.5 |
| Vector String: | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| Version: | 3.1 |
| Attack Vector: | Local |
| Attack Complexity: | Low |
| Privileges Required: | Low |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 10 (kernel-uek) | ELSA-2026-50144 | 2026-03-10 |
| Oracle Linux version 8 (kernel-uek) | ELSA-2026-50145 | 2026-03-10 |
| Oracle Linux version 9 (kernel-uek) | ELSA-2026-50144 | 2026-03-10 |
| Oracle Linux version 9 (kernel-uek) | ELSA-2026-50145 | 2026-03-10 |
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections:
- Oracle customers - enter a support request
- Vulnerability scanning tools vendors and project maintainers - follow the standard ISV process
