CVE-2020-24394 Misconfiguration in n/a

What is CVE-2020-24394?

CVE-2020-24394 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 19 Aug 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel before 5.7.8, fs/nfsd/vfs.c (in the NFS server) can set incorrect permissions on new filesystem objects when the filesystem lacks ACL support, aka CID-22cf8419f131. This occurs because the current umask is not considered.

Weakness: CWE-732

Which versions are affected by CVE-2020-24394?

It affects 5 products.

Products include Canonical Ubuntu Linux, Linux kernel, Opensuse Leap, Oracle Sd-Wan Edge, Starwindsoftware Starwind Virtual San.

How do I fix CVE-2020-24394?

Apply the vendor's patch.

Is CVE-2020-24394 being exploited?

There is no known exploitation of CVE-2020-24394 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-2020-24394, GHSA-fvv9-qhmx-c8wm, UBUNTU-CVE-2020-24394.