CVE-2026-23105 | BDVDB-2026-313894 Detail
LinuxLinux
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.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.
Weaknesses#
- CWE-20 Improper Input Validation
References#
- https://git.kernel.org/stable/c/fac2c67bb2bb732eae4283e45fc338af7e08c254
- https://git.kernel.org/stable/c/b8c24cf5268fb3bfb8d16324c3dbb985f698c835
- https://git.kernel.org/stable/c/f27047abf7cac1b6f90c3ad60de21ef9f717c26d
- https://git.kernel.org/stable/c/93b8635974fb050c43d07e35e5edfe6e685ca28a
- https://git.kernel.org/stable/c/abd9fc26ea577561a5ef6241a1b058755ffdad0c
- https://git.kernel.org/stable/c/77f1afd0bb4d5da95236f6114e6d0dfcde187ff6
- https://git.kernel.org/stable/c/d837fbee92453fbb829f950c8e7cf76207d73f33
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.