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[slackware-security] Slackware 14.2 kernel (SSA:2018-037-01)
New kernel packages are available for Slackware 14.2 to mitigate the
speculative side channel attack known as Spectre variant 2.
Here are the details from the Slackware 14.2 ChangeLog:
+--------------------------+
patches/packages/linux-4.4.115/*: Upgraded.
This kernel includes full retpoline mitigation for the Spectre (variant 2)
speculative side channel attack.
Please note that this kernel was compiled with gcc-5.5.0, also provided as
an update for Slackware 14.2. You'll need to install the updated gcc in order
to compile kernel modules that will load into this updated kernel.
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-2017-5715
(* 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-4.4.115/kernel-firmware-20180201_2aa2ac2-noarch-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.115/kernel-generic-4.4.115-i586-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.115/kernel-generic-smp-4.4.115_smp-i686-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.115/kernel-headers-4.4.115_smp-x86-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.115/kernel-huge-4.4.115-i586-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.115/kernel-huge-smp-4.4.115_smp-i686-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.115/kernel-modules-4.4.115-i586-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.115/kernel-modules-smp-4.4.115_smp-i686-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/linux-4.4.115/kernel-source-4.4.115_smp-noarch-1.txz
Updated packages for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.115/kernel-firmware-20180201_2aa2ac2-noarch-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.115/kernel-generic-4.4.115-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.115/kernel-headers-4.4.115-x86-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.115/kernel-huge-4.4.115-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.115/kernel-modules-4.4.115-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/linux-4.4.115/kernel-source-4.4.115-noarch-1.txz
MD5 signatures:
+-------------+
Slackware 14.2 packages:
1ea8df1a6e5a76e8cb875aba9f42993b kernel-firmware-20180201_2aa2ac2-noarch-1.txz
65ae3758100bf107ff3c23897ef1b5f9 kernel-generic-4.4.115-i586-1.txz
c683178111756209c6dc1755e525e833 kernel-generic-smp-4.4.115_smp-i686-1.txz
0c5cca7eb08d4887f88b615a4a832e6e kernel-headers-4.4.115_smp-x86-1.txz
45397272b94b844c25ae3d13b9409f91 kernel-huge-4.4.115-i586-1.txz
b326f2b6d30671f5917f7d1e9a00511b kernel-huge-smp-4.4.115_smp-i686-1.txz
6a1a72436299fdd149fabd67e5db9a00 kernel-modules-4.4.115-i586-1.txz
bd1e7630fb6dd94f84d317fa55cb60f5 kernel-modules-smp-4.4.115_smp-i686-1.txz
74e80a52b163efde642a826e12f3ee0a kernel-source-4.4.115_smp-noarch-1.txz
Slackware x86_64 14.2 packages:
1ea8df1a6e5a76e8cb875aba9f42993b kernel-firmware-20180201_2aa2ac2-noarch-1.txz
be30a72f8fda706d0a36e11e71652301 kernel-generic-4.4.115-x86_64-1.txz
2e6dd637df1bbc83dab278c0fb9a1ffc kernel-headers-4.4.115-x86-1.txz
8d00477072ed624b4000e5ff9f260d57 kernel-huge-4.4.115-x86_64-1.txz
e60a0f4aa1a8cc031db89b1d68b4e366 kernel-modules-4.4.115-x86_64-1.txz
c4f92ddedc88105adcf4eafe863c2de6 kernel-source-4.4.115-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 4.4.115-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 4.4.115 | 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 4.4.115-smp version when running
mkinitrd_command_generator. Note that this is only for 32-bit -- 64-bit
systems should always use 4.4.115 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@xxxxxxxxxxxxx
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