CVEvulnerability
CVE-2021-45486
3.5 LOW
Official page ↗
- Status
- Modified
- Published
- 2021-12-25
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 3.5 LOW — CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- CVSS 2.0 ([email protected])
- 2.7 LOW — AV:A/AC:L/Au:S/C:P/I:N/A:N
- Weaknesses
- CWE-327
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.
Affected configurations
• linux linux kernel (< 5.12.4)
• oracle communications cloud native core binding support function 22.1.3
• oracle communications cloud native core network exposure function 22.1.1
• oracle communications cloud native core policy 22.2.0
Related
Weakness · CWE (1)
- CWE-327 Use of a Broken or Risky Cryptographic Algorithm weakness
References
- https://arxiv.org/pdf/2112.09604.pdf Technical Description, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4 Release Notes, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/net/ipv4/route.c?id=aa6dd211e4b1dde9d5dc25d699d35f789ae7eeba Patch, Vendor Advisory
- https://www.oracle.com/security-alerts/cpujul2022.html Patch, Third Party Advisory
- https://arxiv.org/pdf/2112.09604.pdf Technical Description, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4 Release Notes, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/net/ipv4/route.c?id=aa6dd211e4b1dde9d5dc25d699d35f789ae7eeba Patch, Vendor Advisory
- https://www.oracle.com/security-alerts/cpujul2022.html Patch, Third Party Advisory