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Sicherheit: Mehrere Probleme in Slackware 14.2 kernel
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Slackware 14.2 kernel
ID: SSA:2021-072-01
Distribution: Slackware
Plattformen: Slackware 14.2, Slackware x86_64 14.2
Datum: So, 14. März 2021, 07:46
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27363
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27364
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27365
Applikationen: Linux

Originalnachricht


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[slackware-security] Slackware 14.2 kernel (SSA:2021-072-01)

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-4.4.261/*: Upgraded.
These updates fix various bugs and security issues, including the recently
announced iSCSI vulnerabilities allowing local privilege escalation.
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-2021-27363
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27364
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27365
(* 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:
kernel-generic-4.4.261-i586-1.txz
kernel-generic-smp-4.4.261_smp-i686-1.txz
kernel-headers-4.4.261_smp-x86-1.txz
kernel-huge-4.4.261-i586-1.txz
kernel-huge-smp-4.4.261_smp-i686-1.txz
kernel-modules-4.4.261-i586-1.txz
kernel-modules-smp-4.4.261_smp-i686-1.txz
kernel-source-4.4.261_smp-noarch-1.txz

Updated packages for Slackware x86_64 14.2:
kernel-generic-4.4.261-x86_64-1.txz
kernel-headers-4.4.261-x86-1.txz
kernel-huge-4.4.261-x86_64-1.txz
kernel-modules-4.4.261-x86_64-1.txz
kernel-source-4.4.261-noarch-1.txz


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

Slackware 14.2 packages:
ff9a6c47fccf6d014581f5d42d3188fc kernel-generic-4.4.261-i586-1.txz
a436346a1010bb22e19d6ca3378e1d46 kernel-generic-smp-4.4.261_smp-i686-1.txz
75ad52f57bcce2ac867a3ed53f889a3b kernel-headers-4.4.261_smp-x86-1.txz
03836f4982cbf694d3ed6966625d52e2 kernel-huge-4.4.261-i586-1.txz
8c86b6d61b4d6294a063e1c3a2cf9827 kernel-huge-smp-4.4.261_smp-i686-1.txz
f49160e776ab57cc93a6791b5ab4a50e kernel-modules-4.4.261-i586-1.txz
53d373c6f2e4a3f88d0bb2a078cee337 kernel-modules-smp-4.4.261_smp-i686-1.txz
f56f386ad659dfdbae8040cf438a1877 kernel-source-4.4.261_smp-noarch-1.txz

Slackware x86_64 14.2 packages:
82cf14abb50fd2260eb0cd67a59d5f0c kernel-generic-4.4.261-x86_64-1.txz
1a59ef6c4a8c0f2164919936b345ced8 kernel-headers-4.4.261-x86-1.txz
7ca804517bf8c0149a3eb4990c1b2c47 kernel-huge-4.4.261-x86_64-1.txz
0aeded79bd3ab9e8fa0dcb39c41023db kernel-modules-4.4.261-x86_64-1.txz
8c9075bd6abda8952efd5a5fd453ee9a kernel-source-4.4.261-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 4.4.261-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 4.4.261 | 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 4.4.261-smp version when running
mkinitrd_command_generator. Note that this is only for 32-bit -- 64-bit
systems should always use 4.4.261 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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