Jonathan Looney discovered that the TCP_SKB_CB(skb)->tcp_gso_segs value was subject to an integer overflow in the Linux kernel when handling TCP Selective Acknowledgments (SACKs). A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel releases 4.4.182, 4.9.182, 4.14.127, 4.19.52, 5.1.11, and is fixed in commit 3b4929f65b0d8249f19a50245cd88ed1a2f78cff.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-headersUpgrade python-perfUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade python-perf-debuginfoUpgrade kernel-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-develUpgrade kernel-debuginfo-common-aarch64Upgrade perf-debuginfoUpgrade kernel-tools-develUpgrade perfUpgrade kernel-tools | Apr 27, 2020 | Jun 19, 2019 |
| Amazon_linux | — | Upgrade kernel | Jun 18, 2019 | Jun 13, 2019 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jun 18, 2019 |
| Arista Eos | — | Upgrade to a remediated software version | Sep 4, 2024 | Jun 26, 2019 |
| Centos_linux | — | Upgrade kernelUpgrade kernel-rt | Jun 19, 2019 | Jun 17, 2019 |
| Debian | — | Upgrade linux | Jun 18, 2019 | Jun 18, 2019 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Jun 19, 2019 |
| Huawei Euleros 2_0_sp2 | — | Upgrade perfUpgrade kernel-debuginfoUpgrade kernel-debug-develUpgrade kernel-develUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade python-perfUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade kernel-debugUpgrade kernel-headers | Jun 27, 2019 | Jun 19, 2019 |
| Huawei Euleros 2_0_sp3 | — | Upgrade python-perfUpgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-libsUpgrade kernel-develUpgrade kernelUpgrade kernel-debuginfoUpgrade kernel-headersUpgrade perf | Jun 27, 2019 | Jun 19, 2019 |
| Huawei Euleros 2_0_sp5 | — | Upgrade kernel-debuginfo-common-x86_64Upgrade kernel-headersUpgrade kernelUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade python-perfUpgrade kernel-debuginfoUpgrade kernel-develUpgrade perf | Jul 2, 2019 | Jun 19, 2019 |
| Huawei Euleros 2_0_sp8 | — | Upgrade perfUpgrade kernelUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-libsUpgrade kernel-develUpgrade kernel-headersUpgrade kernel-debuginfoUpgrade python-perfUpgrade kernel-tools | Jul 26, 2019 | Jun 19, 2019 |
| Oracle_linux | — | Upgrade kernelUpgrade kernel-uek | Jun 18, 2019 | Jun 17, 2019 |
| Panos | — | Update PAN-OS 8.1 to the latest workaround for your deviceUpdate PAN-OS 9.0 to the latest workaround for your deviceUpdate PAN-OS 7.1 to the latest workaround for your deviceUpdate PAN-OS 8.0 to the latest workaround for your device | Jun 28, 2019 | Jun 17, 2019 |
| Pulse Secure Pulse Connect Secure | — | Update Pulse Connect Secure to version 9.1R3Update Pulse Connect Secure to version 9.0R5Update Pulse Connect Secure to version 9.1R5 | Oct 28, 2020 | Jun 19, 2019 |
| Redhat Openshift | — | Upgrade redhat-coreos | Dec 29, 2020 | Jun 19, 2019 |
| Redhat_linux | — | Upgrade kernelUpgrade kernel-rt | Jun 18, 2019 | Jun 17, 2019 |
| Suse | — | Upgrade kernel-obs-buildUpgrade kernel-defaultUpgrade kernel-docsUpgrade kernel-default-extra | Jun 18, 2019 | Jun 17, 2019 |
| Ubuntu | — | Upgrade linux-image-5.0.0-1008-kvmUpgrade linux-image-5.0.0-1010-raspi2Upgrade linux-image-5.0.0-17-lowlatencyUpgrade linux-image-4.15.0-1043-oemUpgrade linux-image-3.13.0-171-generic-lpaeUpgrade linux-image-generic-lpae-lts-trustyUpgrade linux-image-4.4.0-151-powerpc64-smpUpgrade linux-image-snapdragonUpgrade linux-image-4.18.0-22-lowlatencyUpgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-4.4.0-151-powerpc64-embUpgrade linux-image-4.4.0-151-genericUpgrade linux-image-4.18.0-1016-raspi2Upgrade linux-image-lowlatencyUpgrade linux-image-4.15.0-1034-gcpUpgrade linux-image-4.4.0-1085-awsUpgrade linux-image-generic-lts-trustyUpgrade linux-image-aws-hweUpgrade linux-image-4.4.0-151-generic-lpaeUpgrade linux-image-kvmUpgrade linux-image-4.18.0-22-genericUpgrade linux-image-4.15.0-1041-awsUpgrade linux-image-azureUpgrade linux-image-generic-lpae-hwe-16.04Upgrade linux-image-4.4.0-1115-snapdragonUpgrade linux-image-awsUpgrade linux-image-4.15.0-1036-kvmUpgrade linux-image-4.18.0-1018-awsUpgrade linux-image-4.15.0-1038-raspi2Upgrade linux-image-4.4.0-1048-kvmUpgrade linux-image-generic-lpae-lts-xenialUpgrade linux-image-4.18.0-1014-kvmUpgrade linux-image-4.4.0-151-powerpc-smpUpgrade linux-image-3.13.0-171-lowlatencyUpgrade linux-image-4.15.0-52-generic-lpaeUpgrade linux-image-virtualUpgrade linux-image-4.15.0-1047-azureUpgrade linux-image-5.0.0-1008-awsUpgrade linux-image-powerpc-smpUpgrade linux-image-4.18.0-22-snapdragonUpgrade linux-image-4.4.0-151-powerpc-e500mcUpgrade linux-image-powerpc64-smpUpgrade linux-image-generic-lts-xenialUpgrade linux-image-gkeUpgrade linux-image-4.4.0-151-lowlatencyUpgrade linux-image-4.15.0-52-lowlatencyUpgrade linux-image-powerpc64-embUpgrade linux-image-4.15.0-1015-oracleUpgrade linux-image-5.0.0-17-genericUpgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-powerpc-e500mcUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-genericUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-5.0.0-17-generic-lpaeUpgrade linux-image-raspi2Upgrade linux-image-4.15.0-52-genericUpgrade linux-image-5.0.0-1008-gcpUpgrade linux-image-oracleUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-oemUpgrade linux-image-5.0.0-1014-snapdragonUpgrade linux-image-virtual-hwe-16.04Upgrade linux-image-4.18.0-1020-azureUpgrade linux-image-4.4.0-1111-raspi2Upgrade linux-image-3.13.0-171-genericUpgrade linux-image-4.18.0-22-generic-lpaeUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-generic-lpaeUpgrade linux-image-gcpUpgrade linux-image-generic-hwe-16.04Upgrade linux-image-4.4.0-1046-awsUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-3.2.0-141-genericUpgrade linux-image-4.15.0-1055-snapdragonUpgrade linux-image-4.18.0-1013-gcp | Jun 18, 2019 | Jun 17, 2019 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jun 18, 2019 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub