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Slackware Linux ProjectSSA-2020-008-01
HistoryJan 08, 2020 - 10:45 p.m.

[slackware-security] Slackware 14.2 kernel

2020-01-0822:45:25
Slackware Linux Project
www.slackware.com
160

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.003 Low

EPSS

Percentile

64.3%

New kernel packages are available for Slackware 14.2 to fix security issues.

Here are the details from the Slackware 14.2 ChangeLog:

patches/packages/linux-4.4.208/: Upgraded.
IPV6_MULTIPLE_TABLES n -> y
+IPV6_SUBTREES y
These updates fix various bugs and security issues.
Be sure to upgrade your initrd after upgrading the kernel packages.
If you use lilo to boot your machine, be sure lilo.conf points to the correct
kernel and initrd and run lilo as root to update the bootloader.
If you use elilo to boot your machine, you should run eliloconfig to copy the
kernel and initrd to the EFI System Partition.
For more information, see:
Fixed in 4.4.203:
https://vulners.com/cve/CVE-2019-19524
https://vulners.com/cve/CVE-2019-15917
Fixed in 4.4.204:
https://vulners.com/cve/CVE-2019-18660
https://vulners.com/cve/CVE-2019-15291
https://vulners.com/cve/CVE-2019-18683
Fixed in 4.4.206:
https://vulners.com/cve/CVE-2019-12614
Fixed in 4.4.207:
https://vulners.com/cve/CVE-2019-19227
https://vulners.com/cve/CVE-2019-19062
https://vulners.com/cve/CVE-2019-19338
https://vulners.com/cve/CVE-2019-19332
Fixed in 4.4.208:
https://vulners.com/cve/CVE-2019-19057
https://vulners.com/cve/CVE-2019-19063
(
Security fix *)

Where to find the new packages:

Thanks to the friendly folks at the OSU Open Source Lab
(http://osuosl.org) for donating FTP and rsync hosting
to the Slackware project! :-)

Also see the “Get Slack” section on http://slackware.com for
additional mirror sites near you.

Updated packages for Slackware 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.208/kernel-generic-4.4.208-i586-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.208/kernel-generic-smp-4.4.208_smp-i686-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.208/kernel-headers-4.4.208_smp-x86-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.208/kernel-huge-4.4.208-i586-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.208/kernel-huge-smp-4.4.208_smp-i686-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.208/kernel-modules-4.4.208-i586-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.208/kernel-modules-smp-4.4.208_smp-i686-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.208/kernel-source-4.4.208_smp-noarch-1.txz

Updated packages for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.208/kernel-generic-4.4.208-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.208/kernel-headers-4.4.208-x86-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.208/kernel-huge-4.4.208-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.208/kernel-modules-4.4.208-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.208/kernel-source-4.4.208-noarch-1.txz

MD5 signatures:

Slackware 14.2 packages:
ef3ab53561656d90c19389bed7f883ea kernel-generic-4.4.208-i586-1.txz
ce33ac504adf47d140c3d9ffbf7589b2 kernel-generic-smp-4.4.208_smp-i686-1.txz
2fb222e279ceacf6e3af294a1cce54e9 kernel-headers-4.4.208_smp-x86-1.txz
c237d6708a9d59080deb5a6659d1acf1 kernel-huge-4.4.208-i586-1.txz
29018038f4e0510dfa7e9cdfe69c994a kernel-huge-smp-4.4.208_smp-i686-1.txz
6518395d78e7c7b323bd964dd3b9ed13 kernel-modules-4.4.208-i586-1.txz
440885e37ee410473bf1c9a6b028dd8b kernel-modules-smp-4.4.208_smp-i686-1.txz
969021b83f0cb73d7b745b3d77bdbee0 kernel-source-4.4.208_smp-noarch-1.txz

Slackware x86_64 14.2 packages:
d6edb0754c752aaf8fcbd8d4d5bfc30a kernel-generic-4.4.208-x86_64-1.txz
10255231f7085336046b49e829bf972c kernel-headers-4.4.208-x86-1.txz
369fa14fb7f59f1e903402be3ad685e7 kernel-huge-4.4.208-x86_64-1.txz
b8c8261fbb6bed66c3ded3aa36e206df kernel-modules-4.4.208-x86_64-1.txz
83f37ca83c19fe8d1a785c93cc1ad6f5 kernel-source-4.4.208-noarch-1.txz

Installation instructions:

Upgrade the packages as root:
> upgradepkg kernel-*.txz

If you are using an initrd, you’ll need to rebuild it.

For a 32-bit SMP machine, use this command (substitute the appropriate
kernel version if you are not running Slackware 14.2):
> /usr/share/mkinitrd/mkinitrd_command_generator.sh -k 4.4.208-smp | bash

For a 64-bit machine, or a 32-bit uniprocessor machine, use this command
(substitute the appropriate kernel version if you are not running
Slackware 14.2):
> /usr/share/mkinitrd/mkinitrd_command_generator.sh -k 4.4.208 | bash

Please note that “uniprocessor” has to do with the kernel you are running,
not with the CPU. Most systems should run the SMP kernel (if they can)
regardless of the number of cores the CPU has. If you aren’t sure which
kernel you are running, run “uname -a”. If you see SMP there, you are
running the SMP kernel and should use the 4.4.208-smp version when running
mkinitrd_command_generator. Note that this is only for 32-bit – 64-bit
systems should always use 4.4.208 as the version.

If you are using lilo or elilo to boot the machine, you’ll need to ensure
that the machine is properly prepared before rebooting.

If using LILO:
By default, lilo.conf contains an image= line that references a symlink
that always points to the correct kernel. No editing should be required
unless your machine uses a custom lilo.conf. If that is the case, be sure
that the image= line references the correct kernel file. Either way,
you’ll need to run “lilo” as root to reinstall the boot loader.

If using elilo:
Ensure that the /boot/vmlinuz symlink is pointing to the kernel you wish
to use, and then run eliloconfig to update the EFI System Partition.

Use Vulners API to create your own security tool

API usage cases
  • Network scanning
  • Linux Patch management
  • Threat protection
  • No network audit solution

Ways of integration

Integrate Vulners API

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.003 Low

EPSS

Percentile

64.3%

Related for SSA-2020-008-01