VULNERABILITY INTELLIGENCE
CVE-2021-45486
CVSS score3.5 LOW
EPSS probability0.40%
CISA KEVNot currently listed
Published2021-12-25
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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.
Weakness classification
- nvd@nist.gov: CWE-327
Primary references
- cve@mitre.org — Technical Description, Third Party Advisory
- cve@mitre.org — Release Notes, Vendor Advisory
- cve@mitre.org — Patch, Vendor Advisory
- cve@mitre.org — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Technical Description, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory