In the Linux kernel, the following vulnerability has been resolved:
NFSD: fix leaked reference count of nfsd4_ssc_umount_item
The reference count of nfsd4_ssc_umount_item is not decremented on error conditions. This prevents the laundromat from unmounting the vfsmount of the source file.
This patch decrements the reference count of nfsd4_ssc_umount_item on error.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-headersUpgrade python-perf-debuginfoUpgrade kernel-debuginfoUpgrade kernel-tools-develUpgrade kernel-tools-debuginfoUpgrade kernelUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-livepatch-5.15.156-102.160Upgrade perfUpgrade bpftoolUpgrade kernel-toolsUpgrade perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-develUpgrade python-perf | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade kernel-libbpf-develUpgrade perfUpgrade kernelUpgrade python3-perfUpgrade kernel-libbpf-staticUpgrade kernel-tools-develUpgrade bpftoolUpgrade kernel-develUpgrade kernel-livepatch-6.1.19-30.43Upgrade kernel-debuginfo-common-aarch64Upgrade kernel-libbpfUpgrade kernel-tools-debuginfoUpgrade python3-perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-toolsUpgrade perf-debuginfoUpgrade kernel-headersUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debuginfo | Oct 16, 2025 | Sep 18, 2025 |
| Debian | — | Upgrade linux | Sep 22, 2025 | Sep 22, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade bpftoolUpgrade kernel | Mar 10, 2026 | Mar 10, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Sep 18, 2025 |
| Ubuntu | — | Upgrade linux-lowlatency-hwe-5.15Upgrade linux-nvidia-tegra-5.15Upgrade linux-ibm-5.15Upgrade linux-gcpUpgrade linux-intel-iot-realtimeUpgrade linux-nvidia-tegra-igxUpgrade linux-awsUpgrade linux-aws-5.15Upgrade linux-bluefieldUpgrade linux-fipsUpgrade linux-riscv-5.15Upgrade linux-oracle-5.15Upgrade linuxUpgrade linux-lowlatencyUpgrade linux-gkeUpgrade linux-nvidia-tegraUpgrade linux-gkeopUpgrade linux-gcp-fipsUpgrade linux-azure-5.15Upgrade linux-azure-fipsUpgrade linux-kvmUpgrade linux-intel-iotgUpgrade linux-aws-fipsUpgrade linux-realtimeUpgrade linux-hwe-5.15Upgrade linux-nvidiaUpgrade linux-oracleUpgrade linux-xilinx-zynqmpUpgrade linux-azureUpgrade linux-raspiUpgrade linux-ibmUpgrade linux-intel-iotg-5.15Upgrade linux-gcp-5.15 | Sep 26, 2025 | Sep 18, 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