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.
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4
Source: MITRE
Published: 2021-12-25
Updated: 2022-07-25
Type: CWE-327
Base Score: 2.7
Vector: AV:A/AC:L/Au:S/C:P/I:N/A:N
Impact Score: 2.9
Exploitability Score: 5.1
Severity: LOW
Base Score: 3.5
Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Impact Score: 1.4
Exploitability Score: 2.1
Severity: LOW