Unity Linux 20.1050a Security Update: kernel (UTSA-2026-007033)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007033 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fix NULL deref when deactivating inactive aggregate in qfqreset...

CVE-2026-22976

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fix NULL deref when deactivating inactive aggregate in qfqreset qfqclass-leafqdisc-q.qlen 0 does not imply that the class itself is active. Two qfqclass objects may point to the same leafqdisc. This happens whe...

CVE-2026-22976

CVE-2026-22976 affects the Linux kernel’s net/sched sch_qfq, where two qfq_class objects can reference the same leaf_qdisc. In certain teardown paths (e.g., when a qdisc is pending destruction via tc_new_tfilter and another qdisc is root-attached), a shared leaf_qdisc may have q.qlen > 0 while...