RHEL 7 : kernel-rt (RHSA-2020:1070)

critical Nessus Plugin ID 135078

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Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:1070 advisory.

- kernel: out of bound read in DVB connexant driver. (CVE-2015-9289)

- kernel: Missing permissions check for request_key() destination allows local attackers to add keys to keyring without Write permission (CVE-2017-17807)

- kernel: oob memory read in hso_probe in drivers/net/usb/hso.c (CVE-2018-19985)

- kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS (CVE-2018-20169)

- kernel: denial of service via ioctl call in network tun handling (CVE-2018-7191)

- kernel: null-pointer dereference in hci_uart_set_flow_control (CVE-2019-10207)

- Kernel: net: weak IP ID generation leads to remote device tracking (CVE-2019-10638)

- Kernel: net: using kernel space address bits to derive IP ID may potentially break KASLR (CVE-2019-10639)

- kernel: ASLR bypass for setuid binaries due to late install_exec_creds() (CVE-2019-11190)

- kernel: sensitive information disclosure from kernel stack memory via HIDPCONNADD command (CVE-2019-11884)

- kernel: unchecked kstrdup of fwstr in drm_load_edid_firmware leads to denial of service (CVE-2019-12382)

- kernel: use-after-free in arch/x86/lib/insn-eval.c (CVE-2019-13233)

- kernel: integer overflow and OOB read in drivers/block/floppy.c (CVE-2019-14283)

- kernel: heap-overflow in mwifiex_set_wmm_params() function of Marvell WiFi driver leading to DoS (CVE-2019-14815)

- kernel: Null pointer dereference in the sound/usb/line6/pcm.c (CVE-2019-15221)

- kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service (CVE-2019-15916)

- kernel: buffer-overflow hardening in WiFi beacon validation code. (CVE-2019-16746)

- kernel: perf_event_open() and execve() race in setuid programs allows a data leak (CVE-2019-3901)

- kernel: brcmfmac frame validation bypass (CVE-2019-9503)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

Plugin Details

Severity: Critical

ID: 135078

File Name: redhat-RHSA-2020-1070.nasl

Version: 1.8

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 4/1/2020

Updated: 1/23/2023

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.9

Temporal Score: 5.8

Vector: CVSS2#AV:A/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS Score Source: CVE-2019-9503

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2019-16746

Vulnerability Information

CPE: cpe:2.3:o:redhat:enterprise_linux:7:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt-debug:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt-debug-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt-doc:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt-trace:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt-trace-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt-debug-kvm:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt-kvm:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:kernel-rt-trace-kvm:*:*:*:*:*:*:*

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 3/31/2020

Vulnerability Publication Date: 4/25/2016

Reference Information

CVE: CVE-2019-10207, CVE-2019-14283, CVE-2018-19985, CVE-2018-20169, CVE-2019-9503, CVE-2018-7191, CVE-2019-11884, CVE-2019-12382, CVE-2019-11190, CVE-2019-10638, CVE-2019-10639, CVE-2019-13233, CVE-2019-15916, CVE-2017-17807, CVE-2019-16746, CVE-2015-9289, CVE-2019-3901

BID: 107890, 109092, 108299, 108380, 108474, 102301, 89937, 108011, 107528, 109055

CWE: 119, 20, 362, 200, 190, 122, 125, 416, 476, 400, 787, 862, 120, 250, 253, 331, 667

RHSA: 2020:1070