Base Score

LOW3.5

CVE-2021-45486

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.

VectorADJACENT_NETWORK

Published Bycve@mitre.org

Published DateDec 25, 2021, 02:15

Weakness Type (CWE):CWE-327

CVSS Metrics

Base Score

3.5

Vector String

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Base Severity

LOW

Version

3.1

Attack Vector (AV)

ADJACENT_NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

LOW

User Interaction (UI)

NONE

Scope (S)

UNCHANGED

Confidentiality (C)

LOW

Integrity (I)

NONE

Availability (A)

NONE

References

https://arxiv.org/pdf/2112.09604.pdf
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/net/ipv4/route.c?id=aa6dd211e4b1dde9d5dc25d699d35f789ae7eeba
https://www.oracle.com/security-alerts/cpujul2022.html

Base Score

LOW3.5

Weakness Type (CWE):CWE-327

CVSS Metrics

Base Score

3.5

Vector String

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Base Severity

LOW

Version

3.1

Attack Vector (AV)

ADJACENT_NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

LOW

User Interaction (UI)

NONE

Scope (S)

UNCHANGED

Confidentiality (C)

LOW

Integrity (I)

NONE

Availability (A)

NONE