CVE-2021-45485CWE-327

CVE-2021-45485

High · published December 25, 2021

CVSS v3.1
7.5
EPSS
4%
Percentile
90.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.03822 · 90.0th percentile
Weakness
CWE-327 · Use of a Broken or Risky Cryptographic Algorithm
Published
2021-12-25T07:15Z
Affected products (33)
ProductVersionsFixed in
linux/linux_kernel< 4.4.2764.4.276
linux/linux_kernel≥ 4.5, < 4.9.2764.9.276
linux/linux_kernel≥ 4.10, < 4.14.2404.14.240
linux/linux_kernel≥ 4.15, < 4.19.1984.19.198
linux/linux_kernel≥ 4.20, < 5.4.1335.4.133
linux/linux_kernel≥ 5.5, < 5.10.515.10.51
linux/linux_kernel≥ 5.11, < 5.12.185.12.18
linux/linux_kernel≥ 5.13, < 5.13.35.13.3
netapp/e-series_santricity_os_controllerall versions—
netapp/solidfire\,_enterprise_sds_\&_hci_storage_nodeall versions—
netapp/solidfire_\&_hci_management_nodeall versions—
netapp/brocade_fabric_operating_system_firmwareall versions—
oracle/communications_cloud_native_core_binding_support_functionall versions—
oracle/communications_cloud_native_core_network_exposure_functionall versions—
oracle/communications_cloud_native_core_policyall versions—
netapp/all_flash_fabric-attached_storage_8300_firmwareall versions—
netapp/fabric-attached_storage_8300_firmwareall versions—
netapp/all_flash_fabric-attached_storage_8700_firmwareall versions—
netapp/fabric-attached_storage_8700_firmwareall versions—
netapp/aff_a400_firmwareall versions—
netapp/fabric-attached_storage_a400_firmwareall versions—
netapp/hci_compute_node_firmwareall versions—
netapp/h300e_firmwareall versions—
netapp/h300s_firmwareall versions—
netapp/h410c_firmwareall versions—
netapp/h410s_firmwareall versions—
netapp/h500e_firmwareall versions—
netapp/h500s_firmwareall versions—
netapp/h610c_firmwareall versions—
netapp/h610s_firmwareall versions—
netapp/h615c_firmwareall versions—
netapp/h700e_firmwareall versions—
netapp/h700s_firmwareall versions—
References (10)
https://arxiv.org/pdf/2112.09604.pdf · [email protected]https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3 · [email protected]https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=62f20e068ccc50d6ab66fdb72ba90da2b9418c99 · [email protected]https://security.netapp.com/advisory/ntap-20220121-0001/ · [email protected]https://www.oracle.com/security-alerts/cpujul2022.html · [email protected]https://arxiv.org/pdf/2112.09604.pdf · af854a3a-2127-422b-91ae-364da2661108https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3 · af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=62f20e068ccc50d6ab66fdb72ba90da2b9418c99 · af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20220121-0001/ · af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpujul2022.html · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 25 DEC 01:05Z
    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…
    cvelistv5