CVE-2020-0551

Description

Load value injection in some Intel(R) Processors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. The list of affected products is provided in intel-sa-00334: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00334.html

Affected products

Vendor	Product	Affected	Fixed
Intel	Intel(R) Processors Load Value Injection	See advisory https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00334.html	—

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Ubuntu

Security tracker ↗

Release	Package	Fixed in	Advisory
Ubuntu 18.04 LTS	linux-azure +2	No fix yet	—

Show 1 more (older releases, extended support, other products)

Release	Package	Fixed in	Advisory
Ubuntu Pro 14.04 LTS	linux-azure	No fix yet	—

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

bitdefender/lvi-lfb-attack-poc ★ 27 · Mar 10, 2020

This repository contains the sources and documentation for the LVI-LFB Control Flow Hijacking attack PoC (CVE-2020-0551)

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Load value injection in some Intel(R) Processors utilizing speculative execution may allow an authenticated user to potentially enable info…