RHSA-2020:1016MediumCVSS 8.4

Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Published
March 31, 2020
Last Modified
November 5, 2026

🔗 CVE IDs covered (25)

CVE-2015-9289 →CVE-2018-19985 →CVE-2018-20169 →CVE-2019-10207 →CVE-2019-10638 →CVE-2019-11190 →CVE-2019-11884 →CVE-2019-15214 →CVE-2018-7191 →CVE-2019-9503 →CVE-2019-13233 →CVE-2019-13648 →CVE-2019-14283 →CVE-2019-15916 →CVE-2019-10639 →CVE-2019-14814 →CVE-2019-14815 →CVE-2019-15090 →CVE-2019-18660 →CVE-2017-17807 →CVE-2019-3901 →CVE-2019-5108 →CVE-2019-12382 →CVE-2019-15221 →CVE-2019-16746 →

📋 Description

CVE-2015-9289 — kernel: out of bound read in DVB connexant driver. CVE-2017-17807 — kernel: Missing permissions check for request_key() destination allows local attackers to add keys to keyring without Write permission CVE-2018-7191 — kernel: denial of service via ioctl call in network tun handling 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-2019-3901 — kernel: perf_event_open() and execve() race in setuid programs allows a data leak CVE-2019-5108 — kernel: triggering AP to send IAPP location updates for stations before the required authentication process has completed can lead to DoS CVE-2019-9503 — kernel: brcmfmac frame validation bypass 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-2019-10639 — Kernel: net: using kernel space address bits to derive IP ID may potentially break KASLR CVE-2019-11190 — kernel: ASLR bypass for setuid binaries due to late install_exec_creds() 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-2019-14283 — kernel: integer overflow and OOB read in drivers/block/floppy.c CVE-2019-14814 — kernel: heap overflow in mwifiex_set_uap_rates() function of Marvell Wifi Driver leading to DoS CVE-2019-14815 — kernel: heap-overflow in mwifiex_set_wmm_params() function of Marvell WiFi driver leading to DoS CVE-2019-15090 — kernel: An out-of-bounds read in drivers/scsi/qedi/qedi_dbg.c leading to crash or information disclosure CVE-2019-15214 — kernel: use-after-free in sound/core/init.c and sound/core/info.c CVE-2019-15221 — kernel: Null pointer dereference in the sound/usb/line6/pcm.c CVE-2019-15916 — kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service CVE-2019-16746 — kernel: buffer-overflow hardening in WiFi beacon validation code. CVE-2019-18660 — kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure

🎯 Affected products182

  • Red Hat Enterprise Linux Client (v. 7)
  • Red Hat Enterprise Linux Client Optional (v. 7)
  • Red Hat Enterprise Linux ComputeNode (v. 7)
  • Red Hat Enterprise Linux ComputeNode Optional (v. 7)
  • Red Hat Enterprise Linux Server (v. 7)
  • Red Hat Enterprise Linux Server Optional (v. 7)
  • Red Hat Enterprise Linux Workstation (v. 7)
  • Red Hat Enterprise Linux Workstation Optional (v. 7)
  • bpftool-0:3.10.0-1127.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • bpftool-0:3.10.0-1127.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
  • bpftool-0:3.10.0-1127.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
  • bpftool-0:3.10.0-1127.el7.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
  • bpftool-0:3.10.0-1127.el7.x86_64 as a component of Red Hat Enterprise Linux ComputeNode (v. 7)
  • bpftool-0:3.10.0-1127.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • bpftool-0:3.10.0-1127.el7.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • bpftool-debuginfo-0:3.10.0-1127.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • bpftool-debuginfo-0:3.10.0-1127.el7.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)
  • bpftool-debuginfo-0:3.10.0-1127.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
  • bpftool-debuginfo-0:3.10.0-1127.el7.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7)
  • bpftool-debuginfo-0:3.10.0-1127.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
  • bpftool-debuginfo-0:3.10.0-1127.el7.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
  • bpftool-debuginfo-0:3.10.0-1127.el7.x86_64 as a component of Red Hat Enterprise Linux Client Optional (v. 7)
  • bpftool-debuginfo-0:3.10.0-1127.el7.x86_64 as a component of Red Hat Enterprise Linux ComputeNode (v. 7)
  • bpftool-debuginfo-0:3.10.0-1127.el7.x86_64 as a component of Red Hat Enterprise Linux ComputeNode Optional (v. 7)
  • bpftool-debuginfo-0:3.10.0-1127.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • bpftool-debuginfo-0:3.10.0-1127.el7.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)
  • bpftool-debuginfo-0:3.10.0-1127.el7.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • bpftool-debuginfo-0:3.10.0-1127.el7.x86_64 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)
  • kernel-0:3.10.0-1127.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • kernel-0:3.10.0-1127.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
  • +152 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect. Workaround: At this time there is no known mitigations to this issue other than to install the updated kernel package. Workaround: The kernel module named 'floppy' contains the affected code, this can be blacklisted using the standard blacklisting techniques or disabled in the systems BIOS. See https://access.redhat.com/solutions/41278 for how to blacklist a kernel module. Virtualized guest systems can also remove the system from the guests configuration to ensure that the module does not load. Workaround: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. Workaround: As the snd module will be auto-loaded when required, its use can be disabled by preventing the module from loading with the following instructions: # echo "install snd /bin/true" >> /etc/modprobe.d/disable-snd.conf The system will need to be restarted if the snd modules are loaded. In most circumstances, the snd kernel modules will be unable to be unloaded while they are is in use. If the system requires this module to work correctly, this mitigation may not be suitable. If you need further assistance, see KCS article https://access.redhat.com/solutions/41278 or contact Red Hat Global Support Services. Workaround: To mitigate this issue, prevent module snd-usb-line6 from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.

🔗 References (38)