CVE-2018-10021 Denial of service in n/a

What is CVE-2018-10021?

CVE-2018-10021 is a medium-severity denial of service vulnerability in Linux kernel, published on 11 Apr 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

drivers/scsi/libsas/sas_scsi_host.c in the Linux kernel before 4.16 allows local users to cause a denial of service (ata qc leak) by triggering certain failure conditions. NOTE: a third party disputes the relevance of this report because the failure can only occur for physically proximate attackers who unplug SAS Host Bus Adapter cables

Which versions are affected by CVE-2018-10021?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2018-10021?

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-2018-10021 being exploited?

There is no known exploitation of CVE-2018-10021 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2018-10021, GHSA-q2h9-c5jh-gm35, UBUNTU-CVE-2018-10021.