The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. This occurs because of use of Algorithm 4 ("Double-Hash Port Selection Algorithm") of RFC 6056.
CVSS Details
- CVSS 3.1 Base Score: 3.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernelUpgrade python-perf-debuginfoUpgrade bpftool-debuginfoUpgrade python-perfUpgrade perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-toolsUpgrade kernel-headersUpgrade kernel-debuginfo-common-aarch64Upgrade perfUpgrade kernel-tools-develUpgrade kernel-livepatch-4.14.285-215.501Upgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade bpftoolUpgrade kernel-livepatch-5.10.126-117.518Upgrade kernel-devel | Sep 30, 2022 | Jun 5, 2022 |
| Amazon_linux | — | Upgrade kernel | Jul 8, 2022 | Jun 5, 2022 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jun 5, 2022 |
| Debian | — | Upgrade linux | Jul 4, 2022 | Jun 5, 2022 |
| Dell Powerstore Dsa2023129 | — | Upgrade Dell PowerStoreOS to the latest version | Jan 13, 2026 | Apr 4, 2023 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernelUpgrade python3-perfUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade bpftool | Oct 11, 2022 | Jun 5, 2022 |
| Huawei Euleros 2_0_sp5 | — | Upgrade kernel-toolsUpgrade kernelUpgrade perfUpgrade python-perfUpgrade kernel-develUpgrade kernel-tools-libsUpgrade kernel-headers | Oct 11, 2022 | Jun 5, 2022 |
| Huawei Euleros 2_0_sp8 | — | Upgrade kernelUpgrade python3-perfUpgrade kernel-headersUpgrade kernel-tools-libsUpgrade bpftoolUpgrade python-perfUpgrade kernel-develUpgrade perfUpgrade kernel-tools | Aug 18, 2022 | Jun 5, 2022 |
| Huawei Euleros 2_0_sp9 | — | Upgrade kernelUpgrade python3-perfUpgrade kernel-tools-libsUpgrade kernel-tools | Sep 14, 2022 | Jun 5, 2022 |
| Suse | — | Upgrade dlm-kmp-defaultUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-debug-livepatch-develUpgrade ocfs2-kmp-rtUpgrade dtb-freescaleUpgrade kernel-default-base-rebuildUpgrade kernel-64kb-livepatch-develUpgrade dtb-apmUpgrade kernel-docsUpgrade kernel-debug-baseUpgrade kernel-64kb-develUpgrade kernel-obs-qaUpgrade kernel-rtUpgrade kernel-devel-azureUpgrade dtb-qcomUpgrade kernel-64kb-optionalUpgrade kselftests-kmp-defaultUpgrade dtb-hisiliconUpgrade kernel-default-develUpgrade dtb-amlogicUpgrade dtb-mediatekUpgrade kernel-rt_debugUpgrade dtb-exynosUpgrade kernel-preemptUpgrade gfs2-kmp-rtUpgrade kernel-source-azureUpgrade kernel-zfcpdumpUpgrade kernel-default-extraUpgrade kernel-rt-develUpgrade kernel-syms-azureUpgrade dtb-armUpgrade kernel-devel-rtUpgrade kernel-symsUpgrade kernel-sourceUpgrade kernel-syms-rtUpgrade kernel-vanillaUpgrade dtb-marvellUpgrade gfs2-kmp-64kbUpgrade cluster-md-kmp-defaultUpgrade kernel-kvmsmallUpgrade dtb-lgUpgrade kernel-macrosUpgrade dtb-socionextUpgrade kernel-kvmsmall-develUpgrade kernel-azure-develUpgrade dtb-amazonUpgrade kernel-64kbUpgrade kernel-default-manUpgrade kernel-debug-develUpgrade kernel-defaultUpgrade kernel-64kb-extraUpgrade kernel-develUpgrade kernel-vanilla-livepatch-develUpgrade kernel-default-livepatch-develUpgrade kernel-source-rtUpgrade dtb-alteraUpgrade dtb-appleUpgrade ocfs2-kmp-defaultUpgrade dtb-renesasUpgrade kernel-vanilla-develUpgrade dtb-xilinxUpgrade cluster-md-kmp-rtUpgrade kernel-azureUpgrade kernel-obs-buildUpgrade dtb-sprdUpgrade kernel-debugUpgrade kernel-preempt-develUpgrade cluster-md-kmp-64kbUpgrade kernel-rt_debug-develUpgrade dtb-rockchipUpgrade reiserfs-kmp-defaultUpgrade kernel-default-baseUpgrade dlm-kmp-rtUpgrade kernel-kvmsmall-baseUpgrade kselftests-kmp-64kbUpgrade kernel-vanilla-baseUpgrade kernel-default-livepatchUpgrade kernel-source-vanillaUpgrade dtb-caviumUpgrade kernel-zfcpdump-manUpgrade dtb-broadcomUpgrade ocfs2-kmp-64kbUpgrade gfs2-kmp-defaultUpgrade dtb-nvidiaUpgrade kernel-default-optionalUpgrade dlm-kmp-64kbUpgrade dtb-allwinnerUpgrade kernel-docs-htmlUpgrade dtb-amdUpgrade reiserfs-kmp-64kb | Oct 26, 2022 | Jun 5, 2022 |
| Ubuntu | — | Upgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-5.4.0-126-lowlatencyUpgrade linux-image-raspi2Upgrade linux-image-gkeop-5.4Upgrade linux-image-gkeopUpgrade linux-image-4.15.0-1138-snapdragonUpgrade linux-image-azureUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-dell300xUpgrade linux-image-5.4.0-1091-azure-fdeUpgrade linux-image-virtual-hwe-16.04Upgrade linux-image-5.15.0-1015-intel-iotgUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-lowlatencyUpgrade linux-image-5.4.0-126-generic-lpaeUpgrade linux-image-ibm-lts-20.04Upgrade linux-image-azure-lts-20.04Upgrade linux-image-4.15.0-194-lowlatencyUpgrade linux-image-5.4.0-1083-oracleUpgrade linux-image-5.15.0-48-generic-64kUpgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-aws-hweUpgrade linux-image-5.15.0-48-lowlatency-64kUpgrade linux-image-aws-lts-20.04Upgrade linux-image-4.15.0-1120-raspi2Upgrade linux-image-5.15.0-48-generic-lpaeUpgrade linux-image-5.4.0-1075-kvmUpgrade linux-image-generic-lpaeUpgrade linux-image-4.15.0-1142-aws-hweUpgrade linux-image-azure-fdeUpgrade linux-image-5.4.0-1070-raspiUpgrade linux-image-5.4.0-126-genericUpgrade linux-image-4.15.0-194-genericUpgrade linux-image-genericUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-5.4.0-1053-gkeopUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-ibmUpgrade linux-image-5.4.0-1085-awsUpgrade linux-image-raspiUpgrade linux-image-5.4.0-1089-gcpUpgrade linux-image-4.15.0-1137-gcpUpgrade linux-image-4.15.0-1142-awsUpgrade linux-image-oracleUpgrade linux-image-4.15.0-1107-oracleUpgrade linux-image-gcp-lts-18.04Upgrade linux-image-5.4.0-1083-gkeUpgrade linux-image-4.15.0-194-generic-lpaeUpgrade linux-image-oemUpgrade linux-image-bluefieldUpgrade linux-image-5.15.0-48-genericUpgrade linux-image-gkeUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-aws-lts-18.04Upgrade linux-image-awsUpgrade linux-image-5.15.0-48-lowlatencyUpgrade linux-image-kvmUpgrade linux-image-gke-5.4Upgrade linux-image-4.15.0-1153-azureUpgrade linux-image-virtualUpgrade linux-image-generic-hwe-16.04Upgrade linux-image-5.4.0-1033-ibmUpgrade linux-image-5.4.0-1046-bluefieldUpgrade linux-image-gcpUpgrade linux-image-intel-iotgUpgrade linux-image-4.15.0-1128-kvmUpgrade linux-image-4.15.0-1054-dell300xUpgrade linux-image-oracle-lts-18.04Upgrade linux-image-snapdragonUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-raspi-hwe-18.04Upgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-oem-osp1Upgrade linux-image-azure-lts-18.04Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-gcp-lts-20.04Upgrade linux-image-5.4.0-1091-azure | Sep 17, 2022 | Jun 5, 2022 |
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