RHSA-2020:2289: Important: kernel security and bug fix update

First published: Tue May 26 2020(Updated: )

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c (CVE-2017-18595)</li> <li> kernel: Heap overflow in mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c (CVE-2019-3846)</li> <li> kernel: Heap overflow in mwifiex_uap_parse_tail_ies function in drivers/net/wireless/marvell/mwifiex/ie.c (CVE-2019-10126)</li> <li> kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c (CVE-2019-19768)</li> <li> Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711)</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> Observed a memory leak while using dm-multipath (BZ#1812935)</li> <li> Backport: Guest microcode version mismatch on secondary processors (BZ#1814001)</li> <li> dm-multipath high load backport incorrect (BZ#1814533)</li> <li> ixgbe reports "Detected Tx Unit Hang" with adapter reset on RHEL 7 (BZ#1816990)</li> <li> RHEL7: block mq hang of a blk_mq_freeze_queue_wait(), which waits for a zero of a q_usage_counter, which never happens (BZ#1824543)</li>

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