RLSA-2021:2570

RLSA-2021:2570 · Important: kernel security and bug fix update

This page contains facts from public vulnerability sources. Check the original advisory before updating.

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan (CVE-2021-33034) * kernel: security bypass in certs/blacklist.c and certs/system_keyring.c (CVE-2020-26541) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Bug Fix(es): * [ESXi][Rocky Linux-8] VMXNET3 v4 causes invalid checksums of inner packets of VXLAN tunnel (BZ#1960702) * fnic crash from invalid request pointer (BZ#1961705) * GFS2: Failed FS thaw call makes the entire snapshot failed. (BZ#1961849) * dm writecache: fix performance degradation in ssd mode (BZ#1962241) * Kernel BUG with act_ct and IP fragments (BZ#1963940) * core: backports from upstream (BZ#1963952) * Hibernate resume on Rocky Linux fails in Amazon EC2 C5.18xlarge instance (BZ#1964930) * [SanityOnly] panic caused by i40e_msix_clean_rings (BZ#1964962) * tc reclassification limit is too low for OVN (BZ#1965148) * tc action ct nat src addr does not work while used with ct nat dst addr together (BZ#1965150) * CNB: Rebase/update TC subsystem for Rocky Linux 8.5 (BZ#1965457) * sctp: crash due to use after free of sctp_transport structure (BZ#1965632)

CVSS 7.8 · High · Fix available

Published

2021-06-29T13:42:37Z

Updated

2026-02-04T22:15:09.003960Z

Stack: system

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