ESB-2018.0533.2 - UPDATE [Debian] Kernel: Access privileged data - Existing account 2018-03-05

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             AUSCERT External Security Bulletin Redistribution

                              ESB-2018.0533.2
       Improved mitigations for Spectre/Meltdown in the Linux kernel
                               5 March 2018

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Kernel
Publisher:         Debian
Operating System:  Debian GNU/Linux 9
Impact/Access:     Access Privileged Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-5750 CVE-2017-13166 CVE-2017-5754
                   CVE-2017-5753 CVE-2017-5715 

Reference:         ASB-2018.0002.4
                   ESB-2018.0063
                   ESB-2018.0042.2

Original Bulletin: 
   http://www.debian.org/security/2018/dsa-4120
   https://lists.debian.org/debian-security-announce/2018/msg00056.html

Revision History:  March     5 2018: Updated package released to fix regression
                   February 23 2018: Initial Release

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Debian Security Advisory DSA-4120-2                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
March 03, 2018                        https://www.debian.org/security/faq
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Package        : linux
Debian Bug     : 891249

The security update announced as DSA-4120-1 caused regressions on the
powerpc kernel architecture (random programs segfault, data corruption).
Updated packages are now available to correct this issue.

For the stable distribution (stretch), this problem has been fixed in
version 4.9.82-1+deb9u3.

We recommend that you upgrade your linux packages.

For the detailed security status of linux please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/linux

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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