RHSA-2019:3517: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 8. 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: nfs: use-after-free in svc_process_common() (CVE-2018-16884)
• Kernel: vhost_net: infinite loop while receiving packets leads to DoS (CVE-2019-3900)
• Kernel: page cache side channel attacks (CVE-2019-5489)
• hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB) (CVE-2019-9506)
• kernel: Heap overflow in mwifiex_uap_parse_tail_ies function in drivers/net/wireless/marvell/mwifiex/ie.c (CVE-2019-10126)
• Kernel: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821)
• kernel: Information Disclosure in crypto_report_one in crypto/crypto_user.c (CVE-2018-19854)
• kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS (CVE-2018-20169)
• kernel: Heap address information leak while using L2CAP_GET_CONF_OPT (CVE-2019-3459)
• kernel: Heap address information leak while using L2CAP_PARSE_CONF_RSP (CVE-2019-3460)
• kernel: SCTP socket buffer memory leak leading to denial of service (CVE-2019-3874)
• kernel: denial of service vector through vfio DMA mappings (CVE-2019-3882)
• kernel: null-pointer dereference in hci_uart_set_flow_control (CVE-2019-10207)
• kernel: fix race condition between mmget_not_zero()/get_task_mm() and core dumping (CVE-2019-11599)
• kernel: fs/ext4/extents.c leads to information disclosure (CVE-2019-11833)
• kernel: sensitive information disclosure from kernel stack memory via HIDPCONNADD command (CVE-2019-11884)
• kernel: use-after-free in arch/x86/lib/insn-eval.c (CVE-2019-13233)
• kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service (CVE-2019-15916)
• kernel: Linux stack ASLR implementation Integer overflow (CVE-2015-1593)
• kernel: oob memory read in hso_probe in drivers/net/usb/hso.c (CVE-2018-19985)
• Kernel: KVM: leak of uninitialized stack contents to guest (CVE-2019-7222)
• Kernel: net: weak IP ID generation leads to remote device tracking (CVE-2019-10638) 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. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.1 Release Notes linked from the References section. Related CVEs:
• CVE-2015-1593: kernel: Linux stack ASLR implementation Integer overflow
• CVE-2018-16884: kernel: nfs: use-after-free in svc_process_common()
• CVE-2018-19854: kernel: Information Disclosure in crypto_report_one in crypto/crypto_user.c
• CVE-2018-19985: kernel: oob memory read in hso_probe in drivers/net/usb/hso.c
• CVE-2018-20169: kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS
• CVE-2019-3459: kernel: Heap address information leak while using L2CAP_GET_CONF_OPT
• CVE-2019-3460: kernel: Heap address information leak while using L2CAP_PARSE_CONF_RSP
• CVE-2019-3874: kernel: SCTP socket buffer memory leak leading to denial of service
• CVE-2019-3882: kernel: denial of service vector through vfio DMA mappings
• CVE-2019-3900: Kernel: vhost_net: infinite loop while receiving packets leads to DoS
• CVE-2019-5489: Kernel: page cache side channel attacks
• CVE-2019-7222: Kernel: KVM: leak of uninitialized stack contents to guest
• CVE-2019-9506: hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB)
• CVE-2019-10126: kernel: Heap overflow in mwifiex_uap_parse_tail_ies function in drivers/net/wireless/marvell/mwifiex/ie.c
• CVE-2019-10207: kernel: null-pointer dereference in hci_uart_set_flow_control
• CVE-2019-10638: Kernel: net: weak IP ID generation leads to remote device tracking
• CVE-2019-11599: kernel: fix race condition between mmget_not_zero()/get_task_mm() and core dumping
• CVE-2019-11833: kernel: fs/ext4/extents.c leads to information disclosure
• CVE-2019-11884: kernel: sensitive information disclosure from kernel stack memory via HIDPCONNADD command
• CVE-2019-12382: kernel: unchecked kstrdup of fwstr in drm_load_edid_firmware leads to denial of service
• CVE-2019-13233: kernel: use-after-free in arch/x86/lib/insn-eval.c
• CVE-2019-13648: kernel: denial of service in arch/powerpc/kernel/signal_32.c and arch/powerpc/kernel/signal_64.c via sigreturn() system call
• CVE-2019-14821: Kernel: KVM: OOB memory access via mmio ring buffer
• CVE-2019-15214: kernel: use-after-free in sound/core/init.c and sound/core/info.c
• CVE-2019-15666: kernel: out-of-bounds array access in __xfrm_policy_unlink
• CVE-2019-15916: kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service
• CVE-2019-15919: kernel: use-after-free in SMB2_write function in fs/cifs/smb2pdu.c
• CVE-2019-15920: kernel: use-after-free information leak in SMB2_read
• CVE-2019-15921: kernel: memory leak in genl_register_family() in net/netlink/genetlink.c
• CVE-2019-15924: kernel: null pointer dereference in drivers/net/ethernet/intel/fm10k/fm10k_main.c
• CVE-2019-15927: kernel: out-of-bounds in function build_audio_procunit in sound/usb/mixer.c
• CVE-2019-16994: kernel: Memory leak in sit_init_net() in net/ipv6/sit.c
• CVE-2019-20811: kernel: net-sysfs: *_queue_add_kobject refcount issue
• CVE-2020-10720: kernel: use-after-free read in napi_gro_frags() in the Linux kernel