RHSA-2021:3375HighCVSS 7.8

Red Hat Security Advisory: kernel-rt security and bug fix update

Published
August 31, 2021
Last Modified
July 11, 2026

🔗 CVE IDs covered (4)

CVE-2021-22543 →CVE-2021-22555 →CVE-2021-32399 →CVE-2021-3609 →

📋 Description

CVE-2021-3609 — kernel: race condition in net/can/bcm.c leads to local privilege escalation CVE-2021-22543 — kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks CVE-2021-22555 — kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c CVE-2021-32399 — kernel: race condition for removal of the HCI controller

🔗 References (7)