Canonical Patches Intel Microcode Regression on Ubuntu PCs with Skylake CPUs

    Date 05 Dec 2019
    615
    Posted By Brittany Day
    Canonical Patches Intel Microcode Regression On Ubuntu Pcs With Skylake Cpus

    Canonical has published a new security advisory today where the company behind the popular Ubuntu Linux operating system apologizes for a regression introduced by the latest Intel microcode firmware update.

    On November 12th, 2019, Canonical publishedimportant kernel security updatesfor all supportedUbuntuLinux releases to address two flaws (CVE-2019-11135 and CVE-2019-11139) discovered by various security researchers in Intel processors using Transactional Synchronization Extensions (TSX), as well as on certain Intel Xeon processors.

    While the first vulnerability could allow a local attacker to expose sensitive information, such as memory contents that were previously stored in microarchitectural buffers, the second issue could allow a local privileged attacker to cause a denial of service (system crash). The intel-microcode version that caused the regression was 3.20191112.

    The link for this article located at Softpedia News is no longer available.

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