Ubuntu 20.04 LTS : Linux kernel (Oracle) vulnerabilities (USN-7820-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7820-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

kernel: use-after-free in sch_qfq network scheduler

A use-after-free flaw was found in qfqdequeue and aggdequeue in net/sched/schqfq.c in the Traffic Control QoS subsystem in the Linux kernel. This issue may allow a local user to crash the system or escalate their privileges on the system...