RHSA-2020:2832 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 7.3 Advanced Update Support, Red Hat Enterprise Linux 7.3 Telco Extended Update Support, and Red Hat Enterprise Linux 7.3 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: buffer overflow in mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c (CVE-2020-12653)

• kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c (CVE-2020-12654)

• Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario (CVE-2020-12888)

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):

• kernel: hw: provide reporting and microcode mitigation toggle for CVE-2020-0543 / Special Register Buffer Data Sampling (SRBDS) (BZ#1840675)