CVE-2018-1000026 Denial of service in n/a

What is CVE-2018-1000026?

CVE-2018-1000026 is a high-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 9 Feb 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Linux Linux kernel version at least v4.8 onwards, probably well before contains a Insufficient input validation vulnerability in bnx2x network card driver that can result in DoS: Network card firmware assertion takes card off-line. This attack appear to be exploitable via An attacker on a must pass a very large, specially crafted packet to the bnx2x card. This can be done from an untrusted guest VM..

Weakness: CWE-20

Which versions are affected by CVE-2018-1000026?

It affects 7 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Redhat Enterprise Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server and 1 more.

How do I fix CVE-2018-1000026?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-1000026 being exploited?

There is no known exploitation of CVE-2018-1000026 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 AZL-6517, DEBIAN-CVE-2018-1000026, GHSA-c7q5-cw8v-48xh, MGASA-2019-0107, UBUNTU-CVE-2018-1000026.