In the Linux kernel, the following vulnerability has been resolved:
SMB3: Add missing locks to protect deferred close file list
cifs_del_deferred_close function has a critical section which modifies the deferred close file list. We must acquire deferred_lock before calling cifs_del_deferred_close function.
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 |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-debuginfo-common-aarch64Upgrade kernel-livepatch-5.15.117-72.142Upgrade kernelUpgrade kernel-debuginfoUpgrade perf-debuginfoUpgrade kernel-develUpgrade kernel-tools-debuginfoUpgrade kernel-tools-develUpgrade perfUpgrade kernel-headersUpgrade bpftool-debuginfoUpgrade python-perfUpgrade bpftoolUpgrade python-perf-debuginfoUpgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64 | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade kernel-tools-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade python3-perfUpgrade python3-perf-debuginfoUpgrade kernel-libbpfUpgrade kernel-libbpf-develUpgrade kernel-livepatch-6.1.29-47.49Upgrade kernelUpgrade kernel-develUpgrade kernel-libbpf-staticUpgrade kernel-headersUpgrade kernel-debuginfoUpgrade kernel-tools-develUpgrade kernel-toolsUpgrade perfUpgrade bpftoolUpgrade kernel-debuginfo-common-aarch64Upgrade perf-debuginfoUpgrade bpftool-debuginfo | Feb 20, 2026 | Dec 24, 2025 |
| Debian | — | Upgrade linux | Dec 29, 2025 | Dec 29, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 24, 2025 |
| Ubuntu | — | Upgrade linux-gkeopUpgrade linux-nvidia-tegra-5.15Upgrade linux-oracle-5.15Upgrade linux-intel-iot-realtimeUpgrade linuxUpgrade linux-lowlatencyUpgrade linux-awsUpgrade linux-ibm-5.15Upgrade linux-nvidia-tegra-igxUpgrade linux-nvidia-tegraUpgrade linux-ibmUpgrade linux-azure-5.15Upgrade linux-kvmUpgrade linux-bluefieldUpgrade linux-intel-iotg-5.15Upgrade linux-gcpUpgrade linux-gcp-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-realtimeUpgrade linux-aws-5.15Upgrade linux-raspiUpgrade linux-azureUpgrade linux-hwe-5.15Upgrade linux-intel-iotgUpgrade linux-nvidiaUpgrade linux-gkeUpgrade linux-oracleUpgrade linux-riscv-5.15Upgrade linux-xilinx-zynqmp | Jan 6, 2026 | Dec 24, 2025 |
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