CVE-2022-32296 Information disclosure in n/a

What is CVE-2022-32296?

CVE-2022-32296 is a low-severity vulnerability in Linux kernel, published on 5 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. This occurs because of use of Algorithm 4 ("Double-Hash Port Selection Algorithm") of RFC 6056.

Weakness: CWE-330

Which versions are affected by CVE-2022-32296?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-32296?

Upgrade to a fixed version.

Is CVE-2022-32296 being exploited?

There is no known exploitation of CVE-2022-32296 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 AZL-9910, DEBIAN-CVE-2022-32296, GHSA-h4g2-8vrh-w26q, UBUNTU-CVE-2022-32296.