CVE-2021-45486

Severity CVSS v4.0:

Pending analysis

Type:

CWE-327 Use of a Broken or Risky Cryptographic Algorithm

Publication date:

25/12/2021

Last modified:

24/02/2023

Description

In the IPv4 implementation in the Linux kernel before 5.12.4, net/ipv4/route.c has an information leak because the hash table is very small.

Impact

Vector 3.x

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 3.50 LOW
Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

Base Score 3.x

3.50

Severity 3.x

LOW

Vector 2.0

AV:A/AC:L/Au:S/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 2.70 LOW
Vector: AV:A/AC:L/Au:S/C:P/I:N/A:N

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0

2.70

Severity 2.0

LOW

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::		5.12.4 (excluding)
cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:::::::*
cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:::::::*
cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-45486

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools