CVEvulnerability
CVE-2021-45485
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2021-12-25
- Last modified
- 2026-08-05
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-327
Description
In the IPv6 implementation in the Linux kernel before 5.13.3, net/ipv6/output_core.c has an information leak because of certain use of a hash table which, although big, doesn't properly consider that IPv6-based attackers can typically choose among many IPv6 source addresses.
Affected configurations
• linux linux kernel (< 4.4.276)
• linux linux kernel (>= 4.5 < 4.9.276)
• linux linux kernel (>= 4.10 < 4.14.240)
• linux linux kernel (>= 4.15 < 4.19.198)
• linux linux kernel (>= 4.20 < 5.4.133)
• linux linux kernel (>= 5.5 < 5.10.51)
• linux linux kernel (>= 5.11 < 5.12.18)
• linux linux kernel (>= 5.13 < 5.13.3)
• netapp e-series santricity os controller
• netapp solidfire\, enterprise sds \& hci storage node
• netapp solidfire \& hci management node
• netapp brocade fabric operating system firmware
• 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
• netapp all flash fabric-attached storage 8300 firmware
• netapp fabric-attached storage 8300 firmware
• netapp all flash fabric-attached storage 8700 firmware
• netapp fabric-attached storage 8700 firmware
• netapp aff a400 firmware
• netapp fabric-attached storage a400 firmware
• netapp hci compute node firmware
• netapp h300e firmware
• netapp h300s firmware
• netapp h410c firmware
• netapp h410s firmware
• netapp h500e firmware
• netapp h500s firmware
• netapp h610c firmware
• netapp h610s firmware
• netapp h615c firmware
• netapp h700e firmware
• netapp h700s firmware
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-5.13.3 Release Notes, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=62f20e068ccc50d6ab66fdb72ba90da2b9418c99 Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20220121-0001/ Third Party 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-5.13.3 Release Notes, Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=62f20e068ccc50d6ab66fdb72ba90da2b9418c99 Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20220121-0001/ Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2022.html Patch, Third Party Advisory