linux-oracle is vulnerable to privilege escalation. The vulnerability exists due to a race condition in the CAN BCM networking protocol of the Linux kernel leading to multiple use-after-free vulnerabilities.
access.redhat.com/errata/RHSA-2021:3044
access.redhat.com/errata/RHSA-2021:3057
access.redhat.com/errata/RHSA-2021:3088
access.redhat.com/errata/RHSA-2021:3235
access.redhat.com/errata/RHSA-2021:3363
access.redhat.com/errata/RHSA-2021:3375
access.redhat.com/errata/RHSA-2021:3380
access.redhat.com/errata/RHSA-2021:3442
access.redhat.com/errata/RHSA-2021:3444
access.redhat.com/security/cve/CVE-2021-3609
bugzilla.redhat.com/show_bug.cgi?id=1971651
git.launchpad.net/ubuntu-cve-tracker/tree/active/CVE-2021-3609
github.com/nrb547/kernel-exploitation/blob/main/cve-2021-3609/cve-2021-3609.md
github.com/torvalds/linux/commit/d5f9023fa61ee8b94f37a93f08e94b136cf1e463
security.netapp.com/advisory/ntap-20220419-0004/
www.openwall.com/lists/oss-security/2021/06/19/1