CVE-2017-8831 Race condition in n/a

What is CVE-2017-8831?

CVE-2017-8831 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 8 May 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The saa7164_bus_get function in drivers/media/pci/saa7164/saa7164-bus.c in the Linux kernel through 4.11.5 allows local users to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact by changing a certain sequence-number value, aka a "double fetch" vulnerability.

Weakness: CWE-125

Which versions are affected by CVE-2017-8831?

It affects 3 products.

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

How do I fix CVE-2017-8831?

Apply the vendor's patch.

Is CVE-2017-8831 being exploited?

There is no known exploitation of CVE-2017-8831 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 CVE-2017-8813, DEBIAN-CVE-2017-8831, GHSA-5gx8-3vch-p323, UBUNTU-CVE-2017-8831.