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  1. CVEs
  2. CVE-2022-32296
  1. CVEs

CVE-2022-32296

low
  • Information
  • CPEs
  • Plugins

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.

References

https://www.debian.org/security/2022/dsa-5173

https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html

https://github.com/0xkol/rfc6056-device-tracker

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c2c8f03a5ab7cb04ec64724d7d176d00bcc91e5

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.9

https://arxiv.org/abs/2209.12993

Details

Source: Mitre, NVD

Published: 2022-06-05

Updated: 2023-08-08

Risk Information

CVSS v2

Base Score: 2.1

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 3.3

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Severity: Low

EPSS

EPSS: 0.00023

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