Debian LTS: DLA-1993-1: mesa security update

    Date15 Nov 2019
    CategoryDebian LTS
    114
    Posted ByLinuxSecurity Advisories
    Tim Brown discovered a shared memory permissions vulnerability in the Mesa 3D graphics library. Some Mesa X11 drivers use shared-memory XImages to implement back buffers for improved performance, but Mesa
    
    Package        : mesa
    Version        : 10.3.2-1+deb8u2
    CVE ID         : CVE-2019-5068
    Debian Bug     : 944298
    
    
    Tim Brown discovered a shared memory permissions vulnerability in the
    Mesa 3D graphics library.  Some Mesa X11 drivers use shared-memory
    XImages to implement back buffers for improved performance, but Mesa
    creates shared memory regions with permission mode 0777.  An attacker
    can access the shared memory without any specific permissions.
    
    For Debian 8 "Jessie", this problem has been fixed in version
    10.3.2-1+deb8u2.
    
    We recommend that you upgrade your mesa packages.
    
    Further information about Debian LTS security advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://wiki.debian.org/LTS
    
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