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-debug-modules-coreUpgrade kernel-debug-uki-virtUpgrade kernel-64k-develUpgrade kernel-rt-64k-modulesUpgrade kernel-rt-modules-extraUpgrade kernel-rt-debug-modulesUpgrade kernel-modulesUpgrade kernel-debug-develUpgrade libperfUpgrade kernel-64k-modulesUpgrade kernel-64k-debug-modules-extraUpgrade kernel-rt-debug-develUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-modules-extraUpgrade kernel-debug-devel-matchedUpgrade kernel-64k-modules-coreUpgrade kernel-debug-modulesUpgrade kernel-debug-coreUpgrade kernel-zfcpdump-develUpgrade kernel-rt-64k-modules-extraUpgrade kernel-modules-coreUpgrade kernel-coreUpgrade kernel-rt-coreUpgrade kernel-rt-64k-debug-modules-extraUpgrade kernel-rt-64k-modules-coreUpgrade kernel-rt-debug-coreUpgrade rtlaUpgrade kernel-64k-coreUpgrade python3-perfUpgrade kernel-64kUpgrade kernel-64k-devel-matchedUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-headersUpgrade kernelUpgrade kernel-abi-stablelistsUpgrade kernel-rt-64k-debug-modulesUpgrade kernel-rt-64k-debug-modules-coreUpgrade kernel-rt-64k-debugUpgrade kernel-64k-debug-coreUpgrade kernel-devel-matchedUpgrade kernel-debugUpgrade kernel-cross-headersUpgrade rvUpgrade kernel-rt-debug-modules-extraUpgrade kernel-toolsUpgrade kernel-64k-modules-extraUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-rt-64k-develUpgrade kernel-64k-debugUpgrade kernel-rt-modulesUpgrade kernel-uki-virt-addonsUpgrade kernel-docUpgrade kernel-rt-64k-debug-coreUpgrade kernel-rt-develUpgrade kernel-debug-modules-extraUpgrade kernel-rt-debug-modules-coreUpgrade kernel-64k-debug-devel-matchedUpgrade kernel-rtUpgrade kernel-zfcpdump-modulesUpgrade kernel-64k-debug-modules-coreUpgrade kernel-rt-64k-coreUpgrade kernel-zfcpdumpUpgrade kernel-rt-modules-coreUpgrade kernel-tools-libsUpgrade kernel-zfcpdump-coreUpgrade kernel-rt-64kUpgrade kernel-64k-debug-develUpgrade perfUpgrade kernel-64k-debug-modulesUpgrade kernel-rt-debugUpgrade kernel-develUpgrade kernel-tools-libs-develUpgrade kernel-rt-64k-debug-develUpgrade kernel-uki-virt | Nov 20, 2025 | Nov 11, 2025 |
| Amazon Linux Ami 2 | — | Upgrade perfUpgrade kernel-livepatch-5.15.54-25.126Upgrade kernel-headersUpgrade kernelUpgrade python-perf-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-debuginfoUpgrade kernel-tools-develUpgrade kernel-develUpgrade kernel-livepatch-5.10.130-118.517Upgrade kernel-tools-debuginfoUpgrade python-perfUpgrade bpftoolUpgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64Upgrade bpftool-debuginfoUpgrade perf-debuginfo | May 22, 2025 | Feb 26, 2025 |
| Debian | — | Upgrade linux | Feb 27, 2025 | Feb 27, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-tools-libsUpgrade bpftoolUpgrade python3-perfUpgrade kernel-abi-stablelistsUpgrade kernelUpgrade kernel-tools | Jul 1, 2025 | Feb 26, 2025 |
| Oracle_linux | — | Upgrade kernel | Nov 28, 2025 | Feb 26, 2025 |
| Redhat_linux | — | Upgrade kernelNo solution existsUpgrade kernel-rt | Jul 9, 2025 | Feb 26, 2025 |
| Rocky_linux | — | Upgrade kernel-modules-coreUpgrade kernel-develUpgrade libperfUpgrade rtlaUpgrade kernelUpgrade perfUpgrade kernel-debug-uki-virtUpgrade kernel-debuginfoUpgrade kernel-debugUpgrade kernel-devel-matchedUpgrade kernel-rt-debugUpgrade python3-perfUpgrade kernel-debug-develUpgrade kernel-zfcpdump-develUpgrade kernel-rt-modules-extraUpgrade kernel-rt-debug-coreUpgrade kernel-rt-coreUpgrade kernel-tools-libs-develUpgrade kernel-zfcpdump-debuginfoUpgrade kernel-rt-debuginfoUpgrade kernel-debug-modules-extraUpgrade kernel-debug-coreUpgrade kernel-rt-modulesUpgrade kernel-modules-extraUpgrade kernel-zfcpdump-modulesUpgrade kernel-zfcpdump-coreUpgrade kernel-rt-debug-modules-coreUpgrade kernel-debuginfo-common-s390xUpgrade kernel-rt-debug-debuginfoUpgrade libperf-debuginfoUpgrade kernel-rtUpgrade kernel-rt-debug-modules-extraUpgrade kernel-rt-modules-coreUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-zfcpdump-modules-coreUpgrade rvUpgrade kernel-uki-virtUpgrade kernel-tools-debuginfoUpgrade kernel-rt-debug-develUpgrade perf-debuginfoUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-zfcpdumpUpgrade kernel-toolsUpgrade kernel-rt-debug-modulesUpgrade kernel-debug-debuginfoUpgrade python3-perf-debuginfoUpgrade kernel-rt-develUpgrade kernel-coreUpgrade kernel-uki-virt-addonsUpgrade kernel-modulesUpgrade kernel-tools-libsUpgrade kernel-debug-modulesUpgrade kernel-debug-devel-matchedUpgrade kernel-debug-modules-coreUpgrade kernel-zfcpdump-devel-matched | Feb 5, 2026 | Nov 21, 2025 |
| Ubuntu | — | Upgrade linuxUpgrade linux-ibm-5.4Upgrade linux-gcp-4.15Upgrade linux-azure-4.15Upgrade linux-gcp-5.4Upgrade linux-aws-5.15Upgrade linux-azureUpgrade linux-hwe-5.15Upgrade linux-iotUpgrade linux-hweUpgrade linux-azure-fipsUpgrade linux-azure-5.4Upgrade linux-raspiUpgrade linux-awsUpgrade linux-gcp-fipsUpgrade linux-raspi-5.4Upgrade linux-intel-iotg-5.15Upgrade linux-aws-fipsUpgrade linux-bluefieldUpgrade linux-ibmUpgrade linux-fipsUpgrade linux-intel-iotgUpgrade linux-riscv-5.15Upgrade linux-aws-hweUpgrade linux-azure-5.15Upgrade linux-gkeUpgrade linux-oracleUpgrade linux-gcpUpgrade linux-realtimeUpgrade linux-hwe-5.4Upgrade linux-aws-5.4Upgrade linux-nvidiaUpgrade linux-lowlatencyUpgrade linux-oracle-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-oracle-5.4Upgrade linux-kvmUpgrade linux-gcp-5.15Upgrade linux-gkeop | 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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