Synopsis: Important: kernel security and bug fix update Advisory ID: SLSA-2021:2314-1 Issue Date: 2021-06-09 CVE Numbers: CVE-2020-8648 CVE-2021-3347 CVE-2020-12362 CVE-2020-12363 CVE-2020-12364 CVE-2020-27170 -- 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 Bug Fix(es): * kernel crash when call the timer function (sctp_generate_proto_unreach_event) of sctp module * SCSI error handling process on HP P440ar controller gets stuck indefinitely in device reset operation * netfilter: reproducible deadlock on nft_log module autoload * netfilter: NULL pointer dereference in nf_tables_set_lookup() * [DELL EMC 7.9 Bug]: No acpi_pad threads on top command for "power cap policy equal to 0 watts" * 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. * netxen driver performs poorly with RT kernel * gendisk->disk_part_tbl->last_lookup retains pointer after partition deletion * Kernel experiences panic in update_group_power() due to division error even with Bug 1701115 fix * SL7.9 - zfcp: fix handling of FCP_RESID_OVER bit in fcp ingress path * SL7.9 - mm/THP: do not access vma->vm_mm after calling handle_userfault * raid: wrong raid io account * qla2x00_status_cont_entry() missing upstream patch that prevents unnecessary ABRT/warnings * SL 7.9.z - System hang caused by workqueue stall in qla2xxx driver * selinux: setsebool can trigger a deadlock * [Hyper-V][SL-7] Cannot boot kernel 3.10.0-1160.21.1.el7.x86_64 on Hyper-V --- SL7 x86_64 - bpftool-3.10.0-1160.31.1.el7.x86_64.rpm - bpftool-debuginfo-3.10.0-1160.31.1.el7.x86_64.rpm - kernel-3.10.0-1160.31.1.el7.x86_64.rpm - kernel-debug-3.10.0-1160.31.1.el7.x86_64.rpm - kernel-debug-debuginfo-3.10.0-1160.31.1.el7.x86_64.rpm - kernel-debug-devel-3.10.0-1160.31.1.el7.x86_64.rpm - kernel-debuginfo-3.10.0-1160.31.1.el7.x86_64.rpm - kernel-debuginfo-common-x86_64-3.10.0-1160.31.1.el7.x86_64.rpm - kernel-devel-3.10.0-1160.31.1.el7.x86_64.rpm - kernel-headers-3.10.0-1160.31.1.el7.x86_64.rpm - kernel-tools-3.10.0-1160.31.1.el7.x86_64.rpm - kernel-tools-debuginfo-3.10.0-1160.31.1.el7.x86_64.rpm - kernel-tools-libs-3.10.0-1160.31.1.el7.x86_64.rpm - kernel-tools-libs-devel-3.10.0-1160.31.1.el7.x86_64.rpm - perf-3.10.0-1160.31.1.el7.x86_64.rpm - perf-debuginfo-3.10.0-1160.31.1.el7.x86_64.rpm - python-perf-3.10.0-1160.31.1.el7.x86_64.rpm - python-perf-debuginfo-3.10.0-1160.31.1.el7.x86_64.rpm noarch - kernel-abi-whitelists-3.10.0-1160.31.1.el7.noarch.rpm - kernel-doc-3.10.0-1160.31.1.el7.noarch.rpm -- - Scientific Linux Development Team