Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory.
This update provides mitigations to address the issue, along with compatibility fixes for the corresponding Linux kernel updates.
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{ "cves_map": { "ecosystem": "Ubuntu:14.04:LTS", "cves": [ { "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N" }, { "type": "CVSS_V3", "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N" }, { "type": "Ubuntu", "score": "high" } ], "id": "CVE-2017-5753" } ] } }
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