Vulnerability in Linux Kernel
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.
Vulnerability class: POODLE (CVE-2014-3566)
EPSS: 0.004 (29.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Linux Linux_kernel
- Oracle Communications_cloud_native_core_binding_support_function — versions 22.1.3
- Oracle Communications_cloud_native_core_network_exposure_function — versions 22.1.1
- Oracle Communications_cloud_native_core_policy — versions 22.2.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
- cve@mitre.org (Technical Description, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-45486?
- CVE-2021-45486 is a low-severity vulnerability in Linux Kernel, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 3.5/10. Published 2021-12-25.
- How severe is CVE-2021-45486?
- Low severity. CVSS v3 base score is 3.5 out of 10.
- Is CVE-2021-45486 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.