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.

CVSS v3.0 3.3 LOW
CVSS v2.0 2.1 LOW

3.3^/10

CVSS v3.0 : LOW

Vector :

Exploitability : 1.8 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

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

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c2c8f03a5ab7cb04ec64724d7d176d00bcc91e5	Mailing List Patch Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.9	Release Notes Vendor Advisory
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
https://www.debian.org/security/2022/dsa-5173
https://arxiv.org/abs/2209.12993
https://github.com/0xkol/rfc6056-device-tracker

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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Information

Published : 2022-06-05 15:15

Updated : 2022-09-28 08:15

NVD link : CVE-2022-32296

Mitre link : CVE-2022-32296

JSON object : View

CWE

CWE-203

Observable Discrepancy

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Products Affected

linux

linux_kernel

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