RHSA-2021:2718HighCVSS 7.8

Red Hat Security Advisory: kernel security and bug fix update

Published
July 20, 2021
Last Modified
June 25, 2026

🔗 CVE IDs covered (5)

CVE-2021-33909 →CVE-2020-25704 →CVE-2020-26541 →CVE-2020-35508 →CVE-2021-33034 →

📋 Description

CVE-2020-25704 — kernel: perf_event_parse_addr_filter memory CVE-2020-26541 — kernel: security bypass in certs/blacklist.c and certs/system_keyring.c CVE-2020-35508 — kernel: fork: fix copy_process(CLONE_PARENT) race with the exiting ->real_parent CVE-2021-33034 — kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan CVE-2021-33909 — kernel: size_t-to-int conversion vulnerability in the filesystem layer

🔗 References (9)