CVE-2021-45486 : In the IPv4 implementation in the Linux kernel before 5.12.4, net/ipv4/route.c h

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.

Published 2021-12-25 02:15:07

Updated 2023-02-24 14:45:06

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-45486

Linux » Linux Kernel
Versions before (<) 5.12.4
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Oracle » Communications Cloud Native Core Policy » Version: 22.2.0
cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:*
Matching versions
Oracle » Communications Cloud Native Core Binding Support Function » Version: 22.1.3
cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:*
Matching versions
Oracle » Communications Cloud Native Core Network Exposure Function » Version: 22.1.1
cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.01%

Probability of exploitation activity in the next 30 days EPSS Score History

~ %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
2.7	LOW	AV:A/AC:L/Au:S/C:P/I:N/A:N	5.1	2.9	NIST
Access Vector: Adjacent Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
3.5	LOW	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	2.1	1.4	NIST
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None

CWE-327 Use of a Broken or Risky Cryptographic Algorithm

The product uses a broken or risky cryptographic algorithm or protocol.

Assigned by: nvd@nist.gov (Primary)

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