In the Linux kernel, the following vulnerability has been resolved:
dccp: fix data-race around dp->dccps_mss_cache
dccp_sendmsg() reads dp->dccps_mss_cache before locking the socket. Same thing in do_dccp_getsockopt().
Add READ_ONCE()/WRITE_ONCE() annotations, and change dccp_sendmsg() to check again dccps_mss_cache after socket is locked.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade bpftoolUpgrade kernel-tools-debuginfoUpgrade kernel-tools-develUpgrade perfUpgrade kernel-toolsUpgrade kernel-develUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-debuginfoUpgrade kernel-livepatch-5.10.192-182.736Upgrade python-perfUpgrade kernel-livepatch-5.15.128-80.144Upgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade bpftool-debuginfoUpgrade kernel-headersUpgrade python-perf-debuginfoUpgrade perf-debuginfoUpgrade kernel-livepatch-4.14.326-245.539 | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade kernelUpgrade perfUpgrade kernel-debuginfoUpgrade python3-perfUpgrade kernel-develUpgrade kernel-libbpf-develUpgrade kernel-debuginfo-common-aarch64Upgrade perf-debuginfoUpgrade kernel-tools-develUpgrade kernel-livepatch-6.1.49-69.116Upgrade bpftool-debuginfoUpgrade kernel-headersUpgrade bpftoolUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-toolsUpgrade python3-perf-debuginfoUpgrade kernel-libbpfUpgrade kernel-tools-debuginfoUpgrade kernel-libbpf-static | Jan 12, 2026 | Dec 9, 2025 |
| Debian | — | Upgrade linux | Dec 10, 2025 | Dec 10, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 9, 2025 |
| Ubuntu | — | Upgrade linuxUpgrade linux-aws-5.15Upgrade linux-aws-5.4Upgrade linux-ibm-5.15Upgrade linux-gkeUpgrade linux-azure-fipsUpgrade linux-nvidia-tegraUpgrade linux-ibm-5.4Upgrade linux-awsUpgrade linux-oracle-5.4Upgrade linux-nvidia-tegra-5.15Upgrade linux-iotUpgrade linux-intel-iot-realtimeUpgrade linux-gcp-5.4Upgrade linux-nvidia-tegra-igxUpgrade linux-gcp-fipsUpgrade linux-kvmUpgrade linux-nvidiaUpgrade linux-lowlatencyUpgrade linux-aws-fipsUpgrade linux-oracleUpgrade linux-hwe-5.15Upgrade linux-intel-iotg-5.15Upgrade linux-bluefieldUpgrade linux-hwe-5.4Upgrade linux-intel-iotgUpgrade linux-gkeopUpgrade linux-xilinx-zynqmpUpgrade linux-oracle-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-azure-5.15Upgrade linux-azureUpgrade linux-gcpUpgrade linux-ibmUpgrade linux-azure-5.4Upgrade linux-gcp-5.15Upgrade linux-realtimeUpgrade linux-riscv-5.15Upgrade linux-raspi-5.4Upgrade linux-fipsUpgrade linux-raspi | Dec 11, 2025 | Dec 9, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Dec 9, 2025 |
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