In the Linux kernel, the following vulnerability has been resolved:
netfilter: conntrack: re-fetch conntrack after insertion
In case the conntrack is clashing, insertion can free skb->_nfct and set skb->_nfct to the already-confirmed entry.
This wasn't found before because the conntrack entry and the extension space used to free'd after an rcu grace period, plus the race needs events enabled to trigger.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-toolsUpgrade kernel-tools-develUpgrade bpftoolUpgrade python-perfUpgrade kernelUpgrade perfUpgrade kernel-livepatch-4.14.285-215.501Upgrade bpftool-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-develUpgrade perf-debuginfoUpgrade kernel-livepatch-5.10.126-117.518Upgrade kernel-debuginfoUpgrade kernel-livepatch-5.15.50-23.125Upgrade kernel-debuginfo-common-x86_64Upgrade kernel-debuginfo-common-aarch64Upgrade kernel-headersUpgrade kernel-tools-debuginfo | Mar 14, 2025 | Feb 26, 2025 |
| Debian | — | Upgrade linux | Feb 27, 2025 | Feb 27, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernelUpgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade python3-perfUpgrade kernel-toolsUpgrade bpftool | Jul 1, 2025 | Feb 26, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Feb 26, 2025 |
| Ubuntu | — | Upgrade linux-aws-hweUpgrade linux-ibmUpgrade linux-raspiUpgrade linux-oracle-5.15Upgrade linux-intel-iotg-5.15Upgrade linux-gcpUpgrade linux-azure-fipsUpgrade linux-aws-5.15Upgrade linux-aws-5.4Upgrade linux-gkeopUpgrade linux-realtimeUpgrade linux-oracle-5.4Upgrade linux-fipsUpgrade linux-aws-fipsUpgrade linux-oracleUpgrade linux-lowlatencyUpgrade linux-nvidiaUpgrade linux-azure-5.15Upgrade linux-intel-iotgUpgrade linux-riscv-5.15Upgrade linux-kvmUpgrade linux-gcp-5.15Upgrade linux-gkeUpgrade linux-iotUpgrade linux-gcp-fipsUpgrade linux-azureUpgrade linux-hweUpgrade linux-raspi-5.4Upgrade linux-gcp-4.15Upgrade linux-azure-5.4Upgrade linuxUpgrade linux-awsUpgrade linux-bluefieldUpgrade linux-azure-4.15Upgrade linux-gcp-5.4Upgrade linux-hwe-5.4Upgrade linux-hwe-5.15Upgrade linux-ibm-5.4Upgrade linux-lowlatency-hwe-5.15 | Mar 3, 2025 | Feb 26, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Feb 26, 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