CVE-2020-25285 Race condition in n/a

What is CVE-2020-25285?

CVE-2020-25285 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 13 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A race condition between hugetlb sysctl handlers in mm/hugetlb.c in the Linux kernel before 5.8.8 could be used by local attackers to corrupt memory, cause a NULL pointer dereference, or possibly have unspecified other impact, aka CID-17743798d812.

Weakness: CWE-787, CWE-476, CWE-362

Which versions are affected by CVE-2020-25285?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel.

How do I fix CVE-2020-25285?

Apply the vendor's patch.

Is CVE-2020-25285 being exploited?

There is no known exploitation of CVE-2020-25285 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 A-168881044, DEBIAN-CVE-2020-25285, GHSA-3rfj-rp8x-285j, PUB-A-168881044, UBUNTU-CVE-2020-25285.