• [SECURITY] [DSA 4279-1] linux security update

    From Salvatore Bonaccorso@1:229/2 to All on Mon Aug 20 13:50:01 2018
    From: [email protected]

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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-4279-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso August 20, 2018 https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package : linux
    CVE ID : CVE-2018-3620 CVE-2018-3646

    Multiple researchers have discovered a vulnerability in the way the
    Intel processor designs have implemented speculative execution of
    instructions in combination with handling of page-faults. This flaw
    could allow an attacker controlling an unprivileged process to read
    memory from arbitrary (non-user controlled) addresses, including from
    the kernel and all other processes running on the system or cross
    guest/host boundaries to read host memory.

    To fully resolve these vulnerabilities it is also necessary to install
    updated CPU microcode (only available in Debian non-free). Common server
    class CPUs are covered in the update released as DSA 4273-1.

    For the stable distribution (stretch), these problems have been fixed in version 4.9.110-3+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: [email protected]
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