Topic: An update for kernel is now available for Red Hat Enterprise Linux 7. 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.

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Details: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: Integer overflow in Intel(R) Graphics Drivers (CVE-2020-12362) * kernel: Use after free via PI futex state (CVE-2021-3347) * kernel: use-after-free in n_tty_receive_buf_common function in drivers/tty/n_tty.c (CVE-2020-8648) * kernel: Improper input validation in some Intel(R) Graphics Drivers (CVE-2020-12363) * kernel: Null pointer dereference in some Intel(R) Graphics Drivers (CVE-2020-12364) * kernel: Speculation on pointer arithmetic against bpf_context pointer (CVE-2020-27170) 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 crash when call the timer function (sctp_generate_proto_unreach_event) of sctp module (BZ#1707184) * SCSI error handling process on HP P440ar controller gets stuck indefinitely in device reset operation (BZ#1830268) * netfilter: reproducible deadlock on nft_log module autoload (BZ#1858329) * netfilter: NULL pointer dereference in nf_tables_set_lookup() (BZ#1873171) * [DELL EMC 7.9 Bug]: No acpi_pad threads on top command for "power cap policy equal to 0 watts" (BZ#1883174) * A race between i40e_ndo_set_vf_mac() and i40e_vsi_clear() in the i40e driver causes a use after free condition of the kmalloc-4096 slab cache. (BZ#1886003) * netxen driver performs poorly with RT kernel (BZ#1894274) * gendisk->disk_part_tbl->last_lookup retains pointer after partition deletion (BZ#1898596) * Kernel experiences panic in update_group_power() due to division error even with Bug 1701115 fix (BZ#1910763) * RHEL7.9 - zfcp: fix handling of FCP_RESID_OVER bit in fcp ingress path (BZ#1917839) * RHEL7.9 - mm/THP: do not access vma->vm_mm after calling handle_userfault (BZ#1917840) * raid: wrong raid io account (BZ#1927106) * qla2x00_status_cont_entry() missing upstream patch that prevents unnecessary ABRT/warnings (BZ#1933784) * RHEL 7.9.z - System hang caused by workqueue stall in qla2xxx driver (BZ#1937945) * selinux: setsebool can trigger a deadlock (BZ#1939091) * [Hyper-V][RHEL-7] Cannot boot kernel 3.10.0-1160.21.1.el7.x86_64 on Hyper-V (BZ#1941841)

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