Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2019.3128
Slackware updates Linux kernel to 4.4.189
15 August 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: kernel
Publisher: Slackware
Operating System: Slackware
Impact/Access: Root Compromise -- Existing Account
Access Privileged Data -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-14284 CVE-2019-14283 CVE-2019-13648
CVE-2019-13631 CVE-2019-10207 CVE-2019-1125
CVE-2018-20856 CVE-2017-18509
Reference: ASB-2019.0229
ESB-2019.3110
ESB-2019.3048
ESB-2019.2985
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[slackware-security] Slackware 14.2 kernel (SSA:2019-226-01)
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-4.4.189/*: Upgraded.
These updates fix various bugs and many security issues, and include the
Spectre v1 SWAPGS mitigations.
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 4.4.187:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13631
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18509
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14283
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-10207
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14284
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13648
Fixed in 4.4.189:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20856
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1125
(* 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-4.4.189/kernel-firmware-20190726_dff98c6-noarch-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.189/kernel-generic-4.4.189-i586-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.189/kernel-generic-smp-4.4.189_smp-i686-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.189/kernel-headers-4.4.189_smp-x86-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.189/kernel-huge-4.4.189-i586-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.189/kernel-huge-smp-4.4.189_smp-i686-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.189/kernel-modules-4.4.189-i586-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.189/kernel-modules-smp-4.4.189_smp-i686-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.189/kernel-source-4.4.189_smp-noarch-1.txz
Updated packages for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.189/kernel-firmware-20190726_dff98c6-noarch-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.189/kernel-generic-4.4.189-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.189/kernel-headers-4.4.189-x86-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.189/kernel-huge-4.4.189-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.189/kernel-modules-4.4.189-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.189/kernel-source-4.4.189-noarch-1.txz
MD5 signatures:
+-------------+
Slackware 14.2 packages:
31f6e1d8a355504e76fc99e8fb1c97ca kernel-firmware-20190726_dff98c6-noarch-1.txz
7c529a98b035edec5ecb0395a2d8bc24 kernel-generic-4.4.189-i586-1.txz
ac9c4751a60b630bf4540016705bd469 kernel-generic-smp-4.4.189_smp-i686-1.txz
0f569b5620f8ab97181d2ce2e1d203f8 kernel-headers-4.4.189_smp-x86-1.txz
91f344ae583a173e93a86d5afbcae1bd kernel-huge-4.4.189-i586-1.txz
35791ce64e121ae3888228cb7fefe38e kernel-huge-smp-4.4.189_smp-i686-1.txz
a6ad8b6ac14d4b747401c326f7fdb2f0 kernel-modules-4.4.189-i586-1.txz
ebbfec5eac47f25b9348f98378caca8d kernel-modules-smp-4.4.189_smp-i686-1.txz
31a4099fd16ad86d8e7bcadcfeb97891 kernel-source-4.4.189_smp-noarch-1.txz
Slackware x86_64 14.2 packages:
31f6e1d8a355504e76fc99e8fb1c97ca kernel-firmware-20190726_dff98c6-noarch-1.txz
f054f970f61cd2d18173c40a688a28e6 kernel-generic-4.4.189-x86_64-1.txz
a6be95eff1a19ca4f3793aacfc53fa9b kernel-headers-4.4.189-x86-1.txz
760b9736c42324841607dbc744d1fcf2 kernel-huge-4.4.189-x86_64-1.txz
38b6a31e28669e0be03a39662ec8ccc6 kernel-modules-4.4.189-x86_64-1.txz
0ee2ec8dfaddc44f6c4969f5051906e7 kernel-source-4.4.189-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 4.4.189-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 4.4.189 | 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 4.4.189-smp version when running
mkinitrd_command_generator. Note that this is only for 32-bit -- 64-bit
systems should always use 4.4.189 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.
+-----+
Slackware Linux Security Team
http://slackware.com/gpg-key
security@slackware.com
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