RHSA-2021:4056HighCVSS 8.8

Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Published
November 2, 2021
Last Modified
June 25, 2026

🔗 CVE IDs covered (3)

CVE-2020-36385 →CVE-2021-0512 →CVE-2021-3656 →

📋 Description

CVE-2020-36385 — kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free CVE-2021-0512 — kernel: out-of-bounds write due to a heap buffer overflow in __hidinput_change_resolution_multipliers() of hid-input.c CVE-2021-3656 — kernel: SVM nested virtualization issue in KVM (VMLOAD/VMSAVE)

🔗 References (6)