Vulnerability in Linux Kernel

CVE-2022-32296

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.

EPSS: 0.004 (35.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-32296?
CVE-2022-32296 is a low-severity vulnerability in Linux Kernel, classified under Use of Insufficiently Random Values. CVSS score: 3.3/10. Published 2022-06-05.
How severe is CVE-2022-32296?
Low severity. CVSS v3 base score is 3.3 out of 10.
Is CVE-2022-32296 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.