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redhatRedHatRHSA-2019:3309
HistoryNov 05, 2019 - 5:28 p.m.

(RHSA-2019:3309) Important: kernel-rt security and bug fix update

2019-11-0517:28:43
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90

0.014 Low

EPSS

Percentile

86.5%

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

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: 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.