Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag This is more of a preventive patch to make the code more consistent and to prevent possible exploits that employ child qlen manipulations on qfq. use cl_is_active instead of relying on the child qdisc's qlen to determine class activation.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.8, < 5.10.249 |
References
- https://git.kernel.org/stable/c/77f1afd0bb4d5da95236f6114e6d0dfcde187ff6Patch
- https://git.kernel.org/stable/c/93b8635974fb050c43d07e35e5edfe6e685ca28aPatch
- https://git.kernel.org/stable/c/abd9fc26ea577561a5ef6241a1b058755ffdad0cPatch
- https://git.kernel.org/stable/c/b8c24cf5268fb3bfb8d16324c3dbb985f698c835Patch
- https://git.kernel.org/stable/c/d837fbee92453fbb829f950c8e7cf76207d73f33Patch
- https://git.kernel.org/stable/c/f27047abf7cac1b6f90c3ad60de21ef9f717c26dPatch
- https://git.kernel.org/stable/c/fac2c67bb2bb732eae4283e45fc338af7e08c254Patch
FAQ
What is CVE-2026-23105?
CVE-2026-23105 is a vulnerability with a CVSS score of 7.8 (HIGH). In the Linux kernel, the following vulnerability has been resolved: net/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag This is more of a preventive patch to make...
How severe is CVE-2026-23105?
CVE-2026-23105 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-23105?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.