CVE-2023-1074 Denial of service in kernel

What is CVE-2023-1074?

CVE-2023-1074 is a medium-severity denial of service vulnerability in Linux kernel, published on 27 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A memory leak flaw was found in the Linux kernel's Stream Control Transmission Protocol. This issue may occur when a user starts a malicious networking service and someone connects to this service. This could allow a local user to starve resources, causing a denial of service.

Weakness: CWE-401

Which versions are affected by CVE-2023-1074?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-1074?

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-2023-1074 being exploited?

There is no known exploitation of CVE-2023-1074 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-2023-1074, GHSA-6f7j-jmxj-m9g3, UBUNTU-CVE-2023-1074.