CVE-2021-45485

High

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductLinux Kernel
PublishedDec 25, 2021
First seenDec 25, 2021

How to fix

Update
  • linux linux_kernel4.4.276, 4.9.276, 4.14.240, 4.19.198, 5.4.133, 5.10.51, 5.12.18, 5.13.3 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernelv < 4.4.276, 4.5 ≤ v < 4.9.276, 4.10 ≤ v < 4.14.240, 4.15 ≤ v < 4.19.198, 4.20 ≤ v < 5.4.133, 5.5 ≤ v < 5.10.51, 5.11 ≤ v < 5.12.18, 5.13 ≤ v < 5.13.34.4.276, 4.9.276, 4.14.240, 4.19.198, 5.4.133, 5.10.51, 5.12.18, 5.13.3
netapp e-series_santricity_os_controllerNo range specified—
netapp solidfire\,_enterprise_sds_\&_hci_storage_nodeNo range specified—
netapp solidfire_\&_hci_management_nodeNo range specified—
netapp brocade_fabric_operating_system_firmwareNo range specified—
oracle communications_cloud_native_core_binding_support_function22.1.3—
oracle communications_cloud_native_core_network_exposure_function22.1.1—
oracle communications_cloud_native_core_policy22.2.0—
netapp all_flash_fabric-attached_storage_8300_firmwareNo range specified—
netapp fabric-attached_storage_8300_firmwareNo range specified—
netapp all_flash_fabric-attached_storage_8700_firmwareNo range specified—
netapp fabric-attached_storage_8700_firmwareNo range specified—
netapp aff_a400_firmwareNo range specified—
netapp fabric-attached_storage_a400_firmwareNo range specified—
netapp hci_compute_node_firmwareNo range specified—
netapp h300e_firmwareNo range specified—
netapp h300s_firmwareNo range specified—
netapp h410c_firmwareNo range specified—
netapp h410s_firmwareNo range specified—
netapp h500e_firmwareNo range specified—
netapp h500s_firmwareNo range specified—
netapp h610c_firmwareNo range specified—
netapp h610s_firmwareNo range specified—
netapp h615c_firmwareNo range specified—
netapp h700e_firmwareNo range specified—
netapp h700s_firmwareNo range specified—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.