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.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-3065-1 linux security update
Debian DSA Debian DSA DSA-5173-1 linux security update
EUVD EUVD EUVD-2022-53489 The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used.
Ubuntu USN Ubuntu USN USN-5616-1 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-5622-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5623-1 Linux kernel (HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-5630-1 Linux kernel (Raspberry Pi) vulnerabilities
Ubuntu USN Ubuntu USN USN-5639-1 Linux kernel (Azure CVM) vulnerabilities
Ubuntu USN Ubuntu USN USN-5647-1 Linux kernel (GCP) vulnerabilities
Ubuntu USN Ubuntu USN USN-5654-1 Linux kernel (GKE) vulnerabilities
Ubuntu USN Ubuntu USN USN-5660-1 Linux kernel (GCP) vulnerabilities
Ubuntu USN Ubuntu USN USN-5669-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5669-2 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5678-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5679-1 Linux kernel (HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-5684-1 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-5687-1 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-5695-1 Linux kernel (GCP) vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-03T07:39:50.938Z

Reserved: 2022-06-05T00:00:00

Link: CVE-2022-32296

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-06-05T22:15:08.797

Modified: 2024-11-21T07:06:07.740

Link: CVE-2022-32296

cve-icon Redhat

Severity :

Publid Date: 2022-05-05T00:00:00Z

Links: CVE-2022-32296 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses