RHSA-2021:2570: Important: kernel security and bug fix update

First published: Tue Jun 29 2021(Updated: )

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

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