In the Linux kernel, the following vulnerability has been resolved:
net: tun: unlink NAPI from device on destruction
Syzbot found a race between tun file and device destruction. NAPIs live in struct tun_file which can get destroyed before the netdev so we have to del them explicitly. The current code is missing deleting the NAPI if the queue was detached first.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-uki-virtUpgrade kernel-tools-libs-develUpgrade kernel-rt-debug-modules-coreUpgrade kernel-rt-modules-coreUpgrade kernel-uki-virt-addonsUpgrade kernel-docUpgrade kernel-rt-64k-develUpgrade kernel-64k-modules-extraUpgrade kernel-rt-debug-modules-extraUpgrade kernel-64k-debug-modules-coreUpgrade kernel-zfcpdump-coreUpgrade kernel-rt-modulesUpgrade rvUpgrade kernel-tools-libsUpgrade kernel-64k-debugUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-rt-64k-debug-develUpgrade kernel-debug-modules-extraUpgrade kernel-64k-debug-modulesUpgrade kernel-rt-64kUpgrade kernel-develUpgrade kernel-64k-debug-develUpgrade kernel-rt-debugUpgrade kernel-rt-64k-coreUpgrade kernel-rtUpgrade kernel-rt-develUpgrade kernel-zfcpdumpUpgrade kernel-toolsUpgrade kernel-zfcpdump-modulesUpgrade kernel-64k-debug-devel-matchedUpgrade perfUpgrade kernel-rt-64k-debug-coreUpgrade rtlaUpgrade kernel-debug-modules-coreUpgrade kernel-rt-64k-debug-modules-extraUpgrade kernel-64k-coreUpgrade kernel-rt-64k-debug-modulesUpgrade kernel-modules-extraUpgrade kernel-rt-debug-coreUpgrade kernel-rt-64k-modules-coreUpgrade kernel-64k-debug-coreUpgrade kernel-rt-64k-modulesUpgrade python3-perfUpgrade kernel-zfcpdump-develUpgrade kernel-rt-debug-develUpgrade kernel-rt-modules-extraUpgrade kernel-64k-modules-coreUpgrade kernel-devel-matchedUpgrade kernel-cross-headersUpgrade kernel-debug-coreUpgrade kernel-rt-64k-modules-extraUpgrade kernel-debug-devel-matchedUpgrade kernel-abi-stablelistsUpgrade kernel-coreUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-modules-coreUpgrade kernel-rt-64k-debug-modules-coreUpgrade kernel-64k-debug-modules-extraUpgrade kernel-modulesUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-64k-modulesUpgrade kernel-64k-devel-matchedUpgrade kernel-debugUpgrade kernel-rt-64k-debugUpgrade kernel-rt-coreUpgrade kernel-debug-modulesUpgrade kernel-headersUpgrade kernelUpgrade libperfUpgrade kernel-debug-develUpgrade kernel-64k-develUpgrade kernel-debug-uki-virtUpgrade kernel-64kUpgrade kernel-rt-debug-modules | Nov 20, 2025 | Nov 11, 2025 |
| Amazon Linux Ami 2 | — | Upgrade kernel-tools-debuginfoUpgrade kernel-toolsUpgrade bpftool-debuginfoUpgrade python-perfUpgrade kernel-debuginfo-common-x86_64Upgrade bpftoolUpgrade perf-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-livepatch-5.15.54-25.126Upgrade kernel-livepatch-5.10.130-118.517Upgrade kernel-tools-develUpgrade kernel-develUpgrade perfUpgrade kernel-headersUpgrade kernelUpgrade kernel-debuginfoUpgrade python-perf-debuginfo | May 22, 2025 | Feb 26, 2025 |
| Debian | — | Upgrade linux | Feb 27, 2025 | Feb 27, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-abi-stablelistsUpgrade kernelUpgrade kernel-toolsUpgrade bpftoolUpgrade python3-perfUpgrade kernel-tools-libs | Jul 1, 2025 | Feb 26, 2025 |
| Oracle_linux | — | Upgrade kernel | Nov 28, 2025 | Feb 26, 2025 |
| Redhat_linux | — | No solution existsUpgrade kernel-rtUpgrade kernel | Jul 9, 2025 | Feb 26, 2025 |
| Rocky_linux | — | Upgrade kernel-zfcpdump-debuginfoUpgrade python3-perfUpgrade kernelUpgrade kernel-zfcpdump-develUpgrade kernel-rt-debug-coreUpgrade kernel-develUpgrade rtlaUpgrade kernel-debugUpgrade kernel-rt-debugUpgrade kernel-tools-libs-develUpgrade kernel-modules-coreUpgrade libperfUpgrade kernel-devel-matchedUpgrade kernel-debug-uki-virtUpgrade perfUpgrade kernel-debug-develUpgrade kernel-rt-modules-extraUpgrade kernel-debuginfoUpgrade kernel-rt-coreUpgrade kernel-zfcpdump-coreUpgrade kernel-rt-debug-modules-coreUpgrade kernel-debuginfo-common-s390xUpgrade kernel-zfcpdump-modulesUpgrade kernel-modulesUpgrade kernel-rt-debug-modulesUpgrade kernel-debug-debuginfoUpgrade kernel-debug-modulesUpgrade kernel-coreUpgrade kernel-rt-develUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-rt-modules-coreUpgrade kernel-rt-debug-modules-extraUpgrade kernel-debuginfo-common-x86_64Upgrade rvUpgrade perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-rt-debug-develUpgrade kernel-uki-virtUpgrade kernel-rt-debug-debuginfoUpgrade kernel-rtUpgrade libperf-debuginfoUpgrade kernel-debug-coreUpgrade kernel-debug-modules-extraUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-rt-modulesUpgrade kernel-rt-debuginfoUpgrade kernel-modules-extraUpgrade kernel-tools-libsUpgrade kernel-debug-modules-coreUpgrade kernel-toolsUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-uki-virt-addonsUpgrade python3-perf-debuginfoUpgrade kernel-zfcpdumpUpgrade kernel-debug-devel-matched | Feb 5, 2026 | Nov 21, 2025 |
| Ubuntu | — | Upgrade linux-gkeopUpgrade linux-nvidiaUpgrade linux-ibmUpgrade linux-kvmUpgrade linux-aws-fipsUpgrade linux-oracle-5.15Upgrade linux-fipsUpgrade linux-intel-iotgUpgrade linux-realtimeUpgrade linux-bluefieldUpgrade linux-oracleUpgrade linux-oracle-5.4Upgrade linux-lowlatencyUpgrade linux-azure-5.15Upgrade linux-aws-hweUpgrade linux-riscv-5.15Upgrade linux-gkeUpgrade linux-gcpUpgrade linux-intel-iotg-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-hwe-5.4Upgrade linux-gcp-5.15Upgrade linux-aws-5.4Upgrade linux-aws-5.15Upgrade linux-azureUpgrade linux-raspi-5.4Upgrade linux-iotUpgrade linuxUpgrade linux-gcp-5.4Upgrade linux-gcp-4.15Upgrade linux-raspiUpgrade linux-azure-fipsUpgrade linux-hweUpgrade linux-azure-5.4Upgrade linux-awsUpgrade linux-azure-4.15Upgrade linux-gcp-fipsUpgrade linux-ibm-5.4Upgrade linux-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 |
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