Ubuntu 14.04 LTS Gets Compiler-Based Retpoline Kernel Mitigation for Spectre V2

Canonical announced today the availability of a new kernel security update for Ubuntu 14.04 LTS (Trusty Tahr) operating systems running the Linux 3.13 kernel to fix the second variant of the Spectre vulnerability on both 32-bit and 64-bit installations.

On January 23, 2018, Canonical updated the kernel packages of Ubuntu 14.04 LTS (Trusty Tahr) to version linux-image 3.13.0-141.190, patching the Spectre Variant 2 security vulnerability discovered by Jann Horn, for the 64-bit (amd64) hardware architecture.

The Spectre flaw can be exploited by a local attacker to expose sensitive information from kernel memory on modern microprocessors with branch prediction and speculative execution capabilities. Canonical now added support for 32-bit hardware architectures as well for Ubuntu 14.04 LTS systems.

“USN-3542-1 mitigated CVE-2017-5715 (Spectre Varia… (read more)

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