Synopsis: Important: kernel security and bug fix update Advisory ID: SLSA-2021:0856-1 Issue Date: 2021-03-16 CVE Numbers: CVE-2020-28374 CVE-2020-29661 CVE-2019-19532 CVE-2020-7053 CVE-2020-14351 CVE-2020-25211 CVE-2020-25645 CVE-2020-25656 CVE-2020-25705 CVE-2021-20265 CVE-2020-0427 -- Security Fix(es): * kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c (CVE-2020-25211) * kernel: SCSI target (LIO) write to any block on ILO backstore (CVE-2020-28374) * kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use- after-free (CVE-2020-29661) * kernel: malicious USB devices can lead to multiple out-of-bounds write (CVE-2019-19532) * kernel: out-of-bounds reads in pinctrl subsystem. (CVE-2020-0427) * kernel: use-after-free in i915_ppgtt_close in drivers/gpu/drm/i915/i915_gem_gtt.c (CVE-2020-7053) * kernel: performance counters race condition use-after-free (CVE-2020-14351) * kernel: Geneve/IPsec traffic may be unencrypted between two Geneve endpoints (CVE-2020-25645) * kernel: use-after-free in read in vt_do_kdgkb_ioctl (CVE-2020-25656) * kernel: ICMP rate limiting can be used for DNS poisoning attack (CVE-2020-25705) * kernel: increase slab leak leads to DoS (CVE-2021-20265) 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): * BUG: scheduling while atomic: memory allocation under spinlock in scsi_register_device_handler() * WARNING in __iscsit_free_cmd during recovery Abort * lpfc does not issue adisc to fcp-2 devices, does not respond to nvme targer that send an adisc. * Panic in semctl_nolock.constprop.15+0x25b * [SL 7.7][md]Crash due to invalid pool workqueue pointer, work queue race * Guest crash on intel CPU with -cpu host,-spec-ctrl,+ibpb * SL7.9 - kernel/uv: handle length extension properly * Commit b144f013fc16a06d7a4b9a4be668a3583fafeda2 'i40e: don't report link up for a VF who hasn't enabled queues' introducing issues with VM using DPDK * writing to /sys/devices/(...)/net/eno49/queues/tx-16/xps_cpus triggers kernel panic * [Hyper-V][SL-7.9]video: hyperv_fb: Fix the cache type when mapping the VRAM Edit * kvm-rhel7.9 [AMD] - system crash observed while powering on virtual machine with attached VF interfaces. * kernel: nvme nvme7: Connect command failed, error wo/DNR bit: 2 * dm-mirror crashes from assuming underlying storage will have a non-NULL merge_bvec_fn * watchdog: use nmi registers snapshot in hardlockup handler * [DELL EMC 7.9 BUG] - Intel E810 NIC interfaces are not functional in SL 7.9 on system with AMD Rome CPUs * [DELL EMC BUG] SL system log shows AMD-Vi error when system connected with Gen 4 NVMe drives. -- SL7 x86_64 bpftool-3.10.0-1160.21.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm kernel-3.10.0-1160.21.1.el7.x86_64.rpm kernel-debug-3.10.0-1160.21.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1160.21.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1160.21.1.el7.x86_64.rpm kernel-devel-3.10.0-1160.21.1.el7.x86_64.rpm kernel-headers-3.10.0-1160.21.1.el7.x86_64.rpm kernel-tools-3.10.0-1160.21.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1160.21.1.el7.x86_64.rpm perf-3.10.0-1160.21.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm python-perf-3.10.0-1160.21.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1160.21.1.el7.x86_64.rpm noarch kernel-abi-whitelists-3.10.0-1160.21.1.el7.noarch.rpm kernel-doc-3.10.0-1160.21.1.el7.noarch.rpm - Scientific Linux Development Team