In the Linux kernel before 5.1.7, a device can be tracked by an attacker using the IP ID values the kernel produces for connection-less protocols (e.g., UDP and ICMP). When such traffic is sent to multiple destination IP addresses, it is possible to obtain hash collisions (of indices to the counter array) and thereby obtain the hashing key (via enumeration). An attack may be conducted by hosting a crafted web page that uses WebRTC or gQUIC to force UDP traffic to attacker-controlled IP addresses.
CVSS Details
- CVSS 3.1 Base Score: 3.7
- CVSS 3.0 Base Score: 6.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade kernel-rtUpgrade kernel | Nov 6, 2019 | Jul 5, 2019 |
| Debian | — | Upgrade linux | Aug 14, 2019 | Jul 5, 2019 |
| Huawei Euleros 2_0_sp3 | — | Upgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64Upgrade python-perfUpgrade kernel-develUpgrade perfUpgrade kernel-debuginfoUpgrade kernel-tools-libsUpgrade kernel-headersUpgrade kernel | Sep 25, 2019 | Jul 5, 2019 |
| Huawei Euleros 2_0_sp5 | — | Upgrade kernelUpgrade kernel-develUpgrade kernel-tools-libsUpgrade perfUpgrade kernel-toolsUpgrade python-perfUpgrade kernel-headers | Nov 19, 2019 | Jul 5, 2019 |
| Oracle_linux | — | Upgrade kernel-uekUpgrade kernel | Apr 9, 2020 | Jul 15, 2019 |
| Redhat Openshift | — | Upgrade redhat-coreos | Dec 29, 2020 | Jul 5, 2019 |
| Redhat_linux | — | Upgrade kernelNo solution existsUpgrade kernel-rt | Nov 6, 2019 | Jul 5, 2019 |
| Suse | — | Upgrade kernel-source-azureUpgrade kernel-defaultUpgrade kernel-azure-baseUpgrade kernel-obs-buildUpgrade kernel-default-manUpgrade kernel-docsUpgrade kernel-devel-azureUpgrade kernel-default-extra | Jul 14, 2019 | Jul 5, 2019 |
| Ubuntu | — | Upgrade linux-image-powerpc64-embUpgrade linux-image-oemUpgrade linux-image-oracleUpgrade linux-image-5.0.0-1015-raspi2Upgrade linux-image-4.4.0-1056-kvmUpgrade linux-image-aws-hweUpgrade linux-image-4.4.0-161-powerpc64-embUpgrade linux-image-4.15.0-60-generic-lpaeUpgrade linux-image-powerpc-smpUpgrade linux-image-raspi2Upgrade linux-image-4.15.0-1022-oracleUpgrade linux-image-snapdragonUpgrade linux-image-genericUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-4.4.0-161-powerpc-e500mcUpgrade linux-image-4.4.0-1120-raspi2Upgrade linux-image-powerpc64-smpUpgrade linux-image-4.15.0-1044-raspi2Upgrade linux-image-gke-5.0Upgrade linux-image-gcpUpgrade linux-image-4.15.0-1056-azureUpgrade linux-image-5.0.0-1019-snapdragonUpgrade linux-image-4.15.0-1047-awsUpgrade linux-image-5.0.0-1018-azureUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-4.15.0-1041-gkeUpgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-gkeUpgrade linux-image-azureUpgrade linux-image-4.4.0-1124-snapdragonUpgrade linux-image-5.0.0-1015-gcpUpgrade linux-image-4.4.0-161-powerpc-smpUpgrade linux-image-5.0.0-1014-awsUpgrade linux-image-5.0.0-27-generic-lpaeUpgrade linux-image-4.4.0-1092-awsUpgrade linux-image-generic-lpae-hwe-16.04Upgrade linux-image-4.15.0-1043-kvmUpgrade linux-image-lowlatencyUpgrade linux-image-5.0.0-27-lowlatencyUpgrade linux-image-virtual-hwe-16.04Upgrade linux-image-4.4.0-161-powerpc64-smpUpgrade linux-image-4.4.0-161-generic-lpaeUpgrade linux-image-powerpc-e500mcUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-kvmUpgrade linux-image-4.15.0-60-lowlatencyUpgrade linux-image-awsUpgrade linux-image-4.15.0-60-genericUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-gke-4.15Upgrade linux-image-5.0.0-1015-gkeUpgrade linux-image-5.0.0-27-genericUpgrade linux-image-4.4.0-161-genericUpgrade linux-image-generic-hwe-16.04Upgrade linux-image-5.0.0-1015-kvmUpgrade linux-image-4.15.0-1041-gcpUpgrade linux-image-virtualUpgrade linux-image-generic-lpaeUpgrade linux-image-4.4.0-161-lowlatencyUpgrade linux-image-virtual-hwe-18.04 | Sep 3, 2019 | Jul 5, 2019 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jul 5, 2019 |
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