Intel Corp. INTC, -0.68% shares declined slightly Tuesday after the chip maker provided additional details about a vulnerability that could allow hackers into unauthorized computer areas. The chip maker released information on a "high" severity rating vulnerability called an "L1 Terminal Fault" where a computer's cache data may be accessed by an attacker. Intel identified three variants of the attack that could "potentially allow unauthorized disclosure of information residing in the L1 data cache, a small pool of memory within each processor core designed to store information about what the processor core is most likely to do next." Intel said the exploits are "highly sophisticated" and that it is not aware of any real-world attacks. Intel shares were last down 0.3% at $48.33, after trading as high as $48.77 earlier in the session, compared with a 0.6% gain in the S&P 500 index SPX, +0.64% and a 0.5% gain in the Dow Jones Industrial Average DJIA, +0.45% Intel has been on high alert for security vulnerabilities all year ever since reports of the Spectre and Meltdown exploits surfaced in January.
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