CVE-2020-0549 Information disclosure in Intel(R) Processors

What is CVE-2020-0549?

CVE-2020-0549 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 28 Jan 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Cleanup errors in some data cache evictions for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

Weakness: CWE-404

Which versions are affected by CVE-2020-0549?

It affects 431 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Intel Celeron 3855u Firmware, Intel Celeron 3865u Firmware, Intel Celeron 3955u Firmware and 425 more.

How do I fix CVE-2020-0549?

Apply the vendor's patch.

Is CVE-2020-0549 being exploited?

There is no known exploitation of CVE-2020-0549 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2020-0549, GHSA-3cg7-p7mp-2hcx, UBUNTU-CVE-2020-0549.