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  • [SECURITY] [DSA 2992-1] linux security update

    From Salvatore Bonaccorso@1:229/2 to All on Tue Jul 29 08:50:02 2014
    From: [email protected]

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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-2992-1 [email protected] http://www.debian.org/security/ Salvatore Bonaccorso
    July 29, 2014 http://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package : linux
    CVE ID : CVE-2014-3534 CVE-2014-4667 CVE-2014-4943
    Debian Bug : 728705

    Several vulnerabilities have been discovered in the Linux kernel that
    may lead to a denial of service or privilege escalation:

    CVE-2014-3534

    Martin Schwidefsky of IBM discovered that the ptrace subsystem does
    not properly sanitize the psw mask value. On s390 systems, an
    unprivileged local user could use this flaw to set address space
    control bits to kernel space combination and thus gain read/write
    access to kernel memory.

    CVE-2014-4667

    Gopal Reddy Kodudula of Nokia Siemens Networks discovered that the
    sctp_association_free function does not properly manage a certain
    backlog value, which allows remote attackers to cause a denial of
    service (socket outage) via a crafted SCTP packet.

    CVE-2014-4943

    Sasha Levin discovered a flaw in the Linux kernel's point-to-point
    protocol (PPP) when used with the Layer Two Tunneling Protocol
    (L2TP). An unprivileged local user could use this flaw for privilege
    escalation.

    For the stable distribution (wheezy), these problems have been fixed in
    version 3.2.60-1+deb7u3.

    For the unstable distribution (sid), these problems have been fixed in
    version 3.14.13-2.

    We recommend that you upgrade your linux packages.

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

    Mailing list: [email protected]
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    * Origin: you cannot sedate... all the things you hate (1:229/2)