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    Debian: DSA-4783-1: sddm security update

    Date 05 Nov 2020
    206
    Posted By LinuxSecurity Advisories
    Fabian Vogt discovered a flaw in sddm, a modern display manager for X11. A local attacker can take advantage of a race condition when creating the Xauthority file to escalate privileges.
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-4783-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                     Salvatore Bonaccorso
    November 05, 2020                     https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : sddm
    CVE ID         : CVE-2020-28049
    Debian Bug     : 973748
    
    Fabian Vogt discovered a flaw in sddm, a modern display manager for X11.
    A local attacker can take advantage of a race condition when creating
    the Xauthority file to escalate privileges.
    
    For the stable distribution (buster), this problem has been fixed in
    version 0.18.0-1+deb10u1.
    
    We recommend that you upgrade your sddm packages.
    
    For the detailed security status of sddm please refer to its security
    tracker page at:
    https://security-tracker.debian.org/tracker/sddm
    
    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: This email address is being protected from spambots. You need JavaScript enabled to view it.
    

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