CVE-2020-8832 Ubuntu 18.04 Linux kernel i915 incomplete fix for CVE-2019-14615

What is CVE-2020-8832?

CVE-2020-8832 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 9 Apr 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

The fix for the Linux kernel in Ubuntu 18.04 LTS for CVE-2019-14615 ("The Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors.") was discovered to be incomplete, meaning that in versions of the kernel before 4.15.0-91.92, an attacker could use this vulnerability to expose sensitive information.

Weakness: CWE-200

Which versions are affected by CVE-2020-8832?

It affects 32 products.

Products include Canonical Ubuntu Linux, Netapp Aff 8300 Firmware, Netapp Aff 8700 Firmware, Netapp Aff A220 Firmware, Netapp Aff A320 Firmware, Netapp Aff A400 Firmware and 26 more.

How do I fix CVE-2020-8832?

Apply the vendor's patch.

Is CVE-2020-8832 being exploited?

There is no known exploitation of CVE-2020-8832 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-2020-8832, GHSA-xqc2-q3vp-2m56, UBUNTU-CVE-2020-8832.