CVE-2020-0550 Information disclosure in Snoop Assisted L1D Sampling Advisory

Medium 5.6 Published Updated

An authenticated local attacker can exploit improper data forwarding in Intel processor caches to disclose sensitive information.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-0550?

CVE-2020-0550 is a medium-severity vulnerability in Intel Snoop Assisted L1D Sampling Advisory, published on 12 Mar 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper data forwarding in some data cache for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. The list of affected products is provided in intel-sa-00330: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00330.html

Which versions are affected by CVE-2020-0550?

It affects 752 products.

Products include Intel Celeron 1000m, Intel Celeron 1005m, Intel Celeron 1007u, Intel Celeron 1017u, Intel Celeron 1019y, Intel Celeron 1020e and 746 more.

How do I fix CVE-2020-0550?

No fix has been published for CVE-2020-0550 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-0550 being exploited?

There is no known exploitation of CVE-2020-0550 in the wild and no public exploit code.

Sources

Also known as GHSA-xw3h-h52h-wq24, UBUNTU-CVE-2020-0550.

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