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Slackware Security Advisory - Slackware 14.2 kernel Updates

Slackware Security Advisory - Slackware 14.2 kernel Updates
Posted Aug 29, 2018
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New kernel packages are available for Slackware 14.2 to mitigate security issues.

tags | advisory, kernel
systems | linux, slackware
advisories | CVE-2018-3546, CVE-2018-3615, CVE-2018-3620
MD5 | f9ba37ef045dc9187e716f2a1d661385

Slackware Security Advisory - Slackware 14.2 kernel Updates

Change Mirror Download

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Hash: SHA1

[slackware-security] Slackware 14.2 kernel (SSA:2018-240-01)

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


Here are the details from the Slackware 14.2 ChangeLog:
+--------------------------+
patches/packages/linux-4.4.153/*: Upgraded.
This kernel update enables mitigations for L1 Terminal Fault aka
Foreshadow and Foreshadow-NG vulnerabilities.
Thanks to Bernhard Kaindl for bisecting the boot issue that was preventing
us from upgrading to earlier 4.4.x kernels that contained this fix.
To see the status of CPU vulnerability mitigations on your system, look at
the files in: /sys/devices/system/cpu/vulnerabilities
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:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3615
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3620
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3546
(* 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-4.4.153/kernel-firmware-20180825_fea76a0-noarch-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.153/kernel-generic-4.4.153-i586-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.153/kernel-generic-smp-4.4.153_smp-i686-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.153/kernel-headers-4.4.153_smp-x86-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.153/kernel-huge-4.4.153-i586-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.153/kernel-huge-smp-4.4.153_smp-i686-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.153/kernel-modules-4.4.153-i586-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.153/kernel-modules-smp-4.4.153_smp-i686-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.153/kernel-source-4.4.153_smp-noarch-1.txz

Updated packages for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.153/kernel-firmware-20180825_fea76a0-noarch-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.153/kernel-generic-4.4.153-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.153/kernel-headers-4.4.153-x86-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.153/kernel-huge-4.4.153-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.153/kernel-modules-4.4.153-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.153/kernel-source-4.4.153-noarch-1.txz


MD5 signatures:
+-------------+

Slackware 14.2 packages:
b0a4ac8050eed122d407069db8704be2 kernel-firmware-20180825_fea76a0-noarch-1.txz
cd110706f35e4496017f7270d393fcf9 kernel-generic-4.4.153-i586-1.txz
57b026fb409d15596b91963bfab973b5 kernel-generic-smp-4.4.153_smp-i686-1.txz
d1f1a717bcdc85be8382628f0a38ae78 kernel-headers-4.4.153_smp-x86-1.txz
439fc6640ce50c1b061b60b6a7afffe9 kernel-huge-4.4.153-i586-1.txz
b1683dd7d0a3f6898f5d8ffecca50c4a kernel-huge-smp-4.4.153_smp-i686-1.txz
5ac4445b7ac81c65e4fe8269fa8f7b23 kernel-modules-4.4.153-i586-1.txz
3f9a394283e7feff520b6bff6219d1de kernel-modules-smp-4.4.153_smp-i686-1.txz
4b8979e2226d66d957b33deacbf5fb26 kernel-source-4.4.153_smp-noarch-1.txz

Slackware x86_64 14.2 packages:
b0a4ac8050eed122d407069db8704be2 kernel-firmware-20180825_fea76a0-noarch-1.txz
1109c106490e646cf687fbd1ac7211cd kernel-generic-4.4.153-x86_64-1.txz
8668e44ceb919d862e02c7eedfd2cf1d kernel-headers-4.4.153-x86-1.txz
fe42dde9fd78ef32c4527e0a6fa60da0 kernel-huge-4.4.153-x86_64-1.txz
7a872f2bff05ebad6ec781f36bf0e392 kernel-modules-4.4.153-x86_64-1.txz
6403fd73910a3f1e1b9eed3ecb6de0e4 kernel-source-4.4.153-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 4.4.153-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 4.4.153 | 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 4.4.153-smp version when running
mkinitrd_command_generator. Note that this is only for 32-bit -- 64-bit
systems should always use 4.4.153 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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