RHEL 7 : kernel-alt (RHSA-2019:3217)

high Nessus Plugin ID 130373
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

An update for kernel-alt is now available for Red Hat Enterprise Linux 7.

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-alt packages provide the Linux kernel version 4.x.

Security Fix(es) :

* kernel: MIDI driver race condition leads to a double-free (CVE-2018-10902)

* kernel: Use-after-free in __blk_drain_queue() function in block/blk-core.c (CVE-2018-20856)

* kernel: brcmfmac heap buffer overflow in brcmf_wowl_nd_results (CVE-2019-9500)

* hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB) (CVE-2019-9506)

* kernel: a NULL pointer dereference in drivers/scsi/megaraid/ megaraid_sas_base.c leading to DoS (CVE-2019-11810)

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.

Bug Fix(es) :

* kernel modules pkey and paes_s390 are not available (BZ#1719192)

* pkey: Indicate old mkvp only if old and curr. mkvp are different (BZ# 1720621)

* System dropped into Mon running softboots Exception: 501 (Hardware Interrupt) at c00000000000a814 replay_interrupt_return+0x0/0x4 (ipmi) (BZ# 1737563)

* kernel: jump label transformation performance (BZ#1739143)

* Backport i40e MDD detection removal for PFs (BZ#1747618)

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2019:3217

https://access.redhat.com/security/cve/cve-2018-10902

https://access.redhat.com/security/cve/cve-2018-20856

https://access.redhat.com/security/cve/cve-2019-9500

https://access.redhat.com/security/cve/cve-2019-9506

https://access.redhat.com/security/cve/cve-2019-11810

Plugin Details

Severity: High

ID: 130373

File Name: redhat-RHSA-2019-3217.nasl

Version: 1.3

Type: local

Agent: unix

Published: 10/30/2019

Updated: 1/31/2020

Dependencies: ssh_get_info.nasl, linux_alt_patch_detect.nasl

Risk Information

CVSS Score Source: CVE-2019-9500

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.9

Temporal Score: 5.8

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

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

CVSS v3

Risk Factor: High

Base Score: 8.3

Temporal Score: 7.2

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-abi-whitelists, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:kernel-debug-debuginfo, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debuginfo, p-cpe:/a:redhat:enterprise_linux:kernel-debuginfo-common-s390x, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-doc, p-cpe:/a:redhat:enterprise_linux:kernel-headers, p-cpe:/a:redhat:enterprise_linux:kernel-kdump, p-cpe:/a:redhat:enterprise_linux:kernel-kdump-debuginfo, p-cpe:/a:redhat:enterprise_linux:kernel-kdump-devel, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:perf-debuginfo, p-cpe:/a:redhat:enterprise_linux:python-perf, p-cpe:/a:redhat:enterprise_linux:python-perf-debuginfo, cpe:/o:redhat:enterprise_linux:7

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: 10/29/2019

Vulnerability Publication Date: 8/21/2018

Reference Information

CVE: CVE-2018-10902, CVE-2018-20856, CVE-2019-11810, CVE-2019-9500, CVE-2019-9506

RHSA: 2019:3217