In the Linux kernel, the following vulnerability has been resolved:
NFS: Pin the 'struct nfs_server' during a FREE_STATEID call
Dan Aloni reports that he was able to hit a use-after-free bug if a FREE_STATEID operation gets delayed for whatever reason. Fix this by bumping the refcount of the 'struct nfs_server' object for the duration of the FREE_STATEID so it doesn't get cleaned up from underneath us while operations are still in flight.
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_2023 | — | Upgrade kernel6.18-modules-extraUpgrade kernel-livepatch-6.18.48-107.148Upgrade microvm-kernel6.18Upgrade bpftool6.18-debuginfoUpgrade kernel6.18-debuginfo-common-aarch64Upgrade kernel6.18-debuginfo-common-x86_64Upgrade kernel6.18-toolsUpgrade kernel6.18-debuginfoUpgrade kernel6.18-headersUpgrade perf6.18-debuginfoUpgrade kernel6.18-develUpgrade python3-perf6.18Upgrade kernel6.18Upgrade bpftool6.18Upgrade kernel6.18-tools-debuginfoUpgrade kernel6.18-modules-extra-commonUpgrade python3-perf6.18-debuginfoUpgrade perf6.18Upgrade kernel6.18-tools-devel | Sep 30, 2026 | Aug 22, 2026 |
| Debian | — | Upgrade linuxUpgrade linux-6.12 | Aug 26, 2026 | Aug 26, 2026 |
| Redhat_linux | — | No solution exists | Aug 25, 2026 | Aug 22, 2026 |
| Ubuntu | — | Upgrade linux-image-kvmUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-virtualUpgrade linux-image-azure-lts-22.04Upgrade linux-image-genericUpgrade linux-image-gcpUpgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-oracleUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-5.15.0-1109-intel-iot-realtimeUpgrade linux-image-lowlatency-64kUpgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-kvm-5.15Upgrade linux-image-aws-lts-22.04Upgrade linux-image-gke-5.15Upgrade linux-image-fips-5.15Upgrade linux-image-ibmUpgrade linux-image-5.15.0-1112-nvidia-lowlatencyUpgrade linux-image-oem-20.04dUpgrade linux-image-azure-fdeUpgrade linux-image-lowlatencyUpgrade linux-image-generic-64kUpgrade linux-image-5.15.0-195-lowlatency-64kUpgrade linux-image-5.15.0-1123-azure-fipsUpgrade linux-image-nvidia-tegraUpgrade linux-image-generic-lpaeUpgrade linux-image-azure-fipsUpgrade linux-image-5.15.0-1100-gkeopUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-5.15.0-1112-intel-iotgUpgrade linux-image-nvidiaUpgrade linux-image-5.15.0-198-generic-64kUpgrade linux-image-5.15.0-1118-gcp-fipsUpgrade linux-image-5.15.0-1113-gkeUpgrade linux-image-oem-20.04bUpgrade linux-image-5.15.0-1123-azureUpgrade linux-image-aws-fips-5.15Upgrade linux-image-oem-20.04Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-gcp-5.15Upgrade linux-image-azure-fips-5.15Upgrade linux-image-nvidia-5.15Upgrade linux-image-5.15.0-195-lowlatencyUpgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-aws-5.15Upgrade linux-image-intelUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-5.15.0-1117-aws-fipsUpgrade linux-image-intel-iotgUpgrade linux-image-5.15.0-198-fipsUpgrade linux-image-azure-cvmUpgrade linux-image-azure-fde-5.15Upgrade linux-image-generic-5.15Upgrade linux-image-5.15.0-198-genericUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-5.15.0-198-generic-lpaeUpgrade linux-image-gkeop-5.15Upgrade linux-image-lowlatency-5.15Upgrade linux-image-azure-5.15Upgrade linux-image-azureUpgrade linux-image-generic-64k-5.15Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-gcp-fips-5.15Upgrade linux-image-intel-iotg-5.15Upgrade linux-image-realtimeUpgrade linux-image-awsUpgrade linux-image-fipsUpgrade linux-image-oracle-5.15Upgrade linux-image-6.8.0-1036-nvidia-tegra-rtUpgrade linux-image-realtime-5.15Upgrade linux-image-aws-fipsUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-5.15.0-1118-gcpUpgrade linux-image-aws-64k-5.15Upgrade linux-image-5.15.0-1080-xilinx-zynqmpUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-ibm-5.15Upgrade linux-image-virtual-5.15Upgrade linux-image-6.8.0-1036-nvidia-tegraUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-gkeUpgrade linux-image-5.15.0-1109-kvmUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-5.15.0-1111-ibmUpgrade linux-image-oem-20.04cUpgrade linux-image-5.15.0-1112-nvidiaUpgrade linux-image-5.15.0-1117-awsUpgrade linux-image-5.15.0-1116-realtimeUpgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-5.15.0-1117-aws-64kUpgrade linux-image-5.15.0-1122-azure-fdeUpgrade linux-image-5.15.0-1114-oracleUpgrade linux-image-gcp-fipsUpgrade linux-image-generic-lpae-5.15Upgrade linux-image-gkeop | Oct 6, 2026 | Oct 6, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Sep 15, 2026 | Aug 22, 2026 |
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