Scientific Linux Security Update : kernel on SL7.x x86_64 (20191016)

high Nessus Plugin ID 130078
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 Scientific Linux host is missing one or more security updates.

Description

Security Fix(es) :

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

- kernel: Heap overflow in mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c (CVE-2019-3846)

- 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)

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 Fixes :

- gfs2: Fix iomap write page reclaim deadlock (BZ#1737373)

- [FJ7.6 Bug]: [REG] kernel: ipc: ipc_free should use kvfree (BZ#1740178)

- high update_cfs_rq_blocked_load contention (BZ#1740180)

- [Hyper-V][RHEL 7] kdump fails to start on a Hyper-V guest of Windows Server 2019. (BZ#1740188)

- kvm: backport cpuidle-haltpoll driver (BZ#1740192)

- Growing unreclaimable slab memory (BZ#1741920)

- [bnx2x] ping failed from pf to vf which has been attached to vm (BZ#1741926)

- [Hyper-V]vPCI devices cannot allocate IRQs vectors in a Hyper-V VM with > 240 vCPUs (i.e., when in x2APIC mode) (BZ#1743324)

- Macsec: inbound MACSEC frame is unexpectedly dropped with InPktsNotValid (BZ#1744442)

- RHEL 7.7 Beta - Hit error when trying to run nvme connect with IPv6 address (BZ#1744443)

- RHEL 7.6 SS4 - Paths lost when running straight I/O on NVMe/RoCE system (BZ#1744444)

- NFSv4.0 client sending a double CLOSE (leading to EIO application failure) (BZ#1744946)

- [Azure] CRI-RDOS | [RHEL 7.8] Live migration only takes 10 seconds, but the VM was unavailable for 2 hours (BZ#1748239)

- NFS client autodisconnect timer may fire immediately after TCP connection setup and may cause DoS type reconnect problem in complex network environments (BZ#1749290)

- [Inspur] RHEL7.6 ASPEED graphic card display issue (BZ#1749296)

- Allows macvlan to operated correctly over the active-backup mode to support bonding events.
(BZ#1751579)

- [LLNL 7.5 Bug] slab leak causing a crash when using kmem control group (BZ#1752421)

Users of kernel are advised to upgrade to these updated packages, which fix these bugs.

Solution

Update the affected packages.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=1737373

https://bugzilla.redhat.com/show_bug.cgi?id=1740178

https://bugzilla.redhat.com/show_bug.cgi?id=1740180

https://bugzilla.redhat.com/show_bug.cgi?id=1740188

https://bugzilla.redhat.com/show_bug.cgi?id=1740192

https://bugzilla.redhat.com/show_bug.cgi?id=1741920

https://bugzilla.redhat.com/show_bug.cgi?id=1741926

https://bugzilla.redhat.com/show_bug.cgi?id=1743324

https://bugzilla.redhat.com/show_bug.cgi?id=1744442

https://bugzilla.redhat.com/show_bug.cgi?id=1744443

https://bugzilla.redhat.com/show_bug.cgi?id=1744444

https://bugzilla.redhat.com/show_bug.cgi?id=1744946

https://bugzilla.redhat.com/show_bug.cgi?id=1748239

https://bugzilla.redhat.com/show_bug.cgi?id=1749290

https://bugzilla.redhat.com/show_bug.cgi?id=1749296

https://bugzilla.redhat.com/show_bug.cgi?id=1751579

https://bugzilla.redhat.com/show_bug.cgi?id=1752421

http://www.nessus.org/u?3e7582ac

Plugin Details

Severity: High

ID: 130078

File Name: sl_20191016_kernel_on_SL7_x.nasl

Version: 1.3

Type: local

Agent: unix

Published: 10/21/2019

Updated: 2/24/2020

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2019-3846

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.1

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

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

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: p-cpe:/a:fermilab:scientific_linux:bpftool, p-cpe:/a:fermilab:scientific_linux:bpftool-debuginfo, p-cpe:/a:fermilab:scientific_linux:kernel, p-cpe:/a:fermilab:scientific_linux:kernel-abi-whitelists, p-cpe:/a:fermilab:scientific_linux:kernel-debug, p-cpe:/a:fermilab:scientific_linux:kernel-debug-debuginfo, p-cpe:/a:fermilab:scientific_linux:kernel-debug-devel, p-cpe:/a:fermilab:scientific_linux:kernel-debuginfo, p-cpe:/a:fermilab:scientific_linux:kernel-debuginfo-common-x86_64, p-cpe:/a:fermilab:scientific_linux:kernel-devel, p-cpe:/a:fermilab:scientific_linux:kernel-doc, p-cpe:/a:fermilab:scientific_linux:kernel-headers, p-cpe:/a:fermilab:scientific_linux:kernel-tools, p-cpe:/a:fermilab:scientific_linux:kernel-tools-debuginfo, p-cpe:/a:fermilab:scientific_linux:kernel-tools-libs, p-cpe:/a:fermilab:scientific_linux:kernel-tools-libs-devel, p-cpe:/a:fermilab:scientific_linux:perf, p-cpe:/a:fermilab:scientific_linux:perf-debuginfo, p-cpe:/a:fermilab:scientific_linux:python-perf, p-cpe:/a:fermilab:scientific_linux:python-perf-debuginfo, x-cpe:/o:fermilab:scientific_linux

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/16/2019

Vulnerability Publication Date: 6/3/2019

Reference Information

CVE: CVE-2018-20856, CVE-2019-10126, CVE-2019-3846, CVE-2019-9506