In the Linux kernel, the following vulnerability has been resolved:
smb: client: fix race with concurrent opens in rename(2)
Besides sending the rename request to the server, the rename process also involves closing any deferred close, waiting for outstanding I/O to complete as well as marking all existing open handles as deleted to prevent them from deferring closes, which increases the race window for potential concurrent opens on the target file.
Fix this by unhashing the dentry in advance to prevent any concurrent opens on the target.
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-extraUpgrade kernel-zfcpdump-develUpgrade kernel-rt-debug-modules-extraUpgrade kernel-toolsUpgrade kernel-zfcpdump-modulesUpgrade kernelUpgrade kernel-docUpgrade kernel-tools-libs-develUpgrade kernel-zfcpdump-coreUpgrade kernel-abi-stablelistsUpgrade kernel-headersUpgrade kernel-rt-debug-develUpgrade kernel-cross-headersUpgrade kernel-rtUpgrade python3-perfUpgrade kernel-debug-develUpgrade kernel-rt-modulesUpgrade kernel-zfcpdumpUpgrade kernel-debugUpgrade perfUpgrade kernel-rt-debug-coreUpgrade kernel-debug-coreUpgrade bpftoolUpgrade kernel-rt-modules-extraUpgrade kernel-tools-libsUpgrade kernel-rt-coreUpgrade kernel-develUpgrade kernel-rt-develUpgrade kernel-modulesUpgrade kernel-modules-extraUpgrade kernel-coreUpgrade kernel-rt-debug-modulesUpgrade kernel-debug-modulesUpgrade kernel-rt-debugUpgrade kernel-zfcpdump-modules-extra | Dec 8, 2025 | Dec 1, 2025 |
| Amazon_linux_2023 | — | Upgrade bpftool6.12Upgrade perfUpgrade kernel6.12-libbpfUpgrade kernel6.12-tools-debuginfoUpgrade kernelUpgrade kernel-tools-develUpgrade kernel6.12-debuginfoUpgrade kernel-libbpf-debuginfoUpgrade perf6.12Upgrade kernel-modules-extra-commonUpgrade bpftool6.12-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-livepatch-6.1.150-174.273Upgrade kernel6.12-libbpf-staticUpgrade kernel-livepatch-6.12.46-66.121Upgrade kernel6.12-debuginfo-common-aarch64Upgrade python3-perf6.12-debuginfoUpgrade kernel-headersUpgrade kernel-toolsUpgrade kernel6.12-modules-extraUpgrade kernel6.12-libbpf-develUpgrade perf-debuginfoUpgrade python3-perf-debuginfoUpgrade kernel6.12-libbpf-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-debuginfoUpgrade kernel6.12-develUpgrade kernel-develUpgrade kernel6.12-modules-extra-commonUpgrade bpftool-debuginfoUpgrade kernel6.12-tools-develUpgrade bpftoolUpgrade kernel-modules-extraUpgrade python3-perf6.12Upgrade kernel-libbpf-staticUpgrade python3-perfUpgrade perf6.12-debuginfoUpgrade kernel-libbpfUpgrade kernel6.12Upgrade kernel-libbpf-develUpgrade kernel-debuginfoUpgrade kernel6.12-headersUpgrade kernel6.12-toolsUpgrade kernel6.12-debuginfo-common-x86_64 | Sep 30, 2025 | Sep 16, 2025 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Sep 25, 2025 | Sep 25, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade kernelUpgrade kernel-tools-libsUpgrade python3-perfUpgrade bpftool | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-toolsUpgrade kernelUpgrade python3-perf | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-toolsUpgrade kernel-tools-libsUpgrade python3-perfUpgrade bpftoolUpgrade kernel-abi-stablelistsUpgrade kernel | Feb 3, 2026 | Feb 2, 2026 |
| Oracle_linux | — | Upgrade kernelUpgrade kernel-uek | Nov 11, 2025 | Sep 16, 2025 |
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernelNo solution exists | Nov 14, 2025 | Sep 16, 2025 |
| Rocky_linux | — | Upgrade bpftool-debuginfoUpgrade kernel-rt-debug-kvmUpgrade kernel-debug-develUpgrade kernel-rt-debug-develUpgrade perfUpgrade perf-debuginfoUpgrade kernel-modulesUpgrade kernel-rt-debug-modules-extraUpgrade kernel-coreUpgrade kernel-debugUpgrade kernel-debuginfoUpgrade kernel-rt-debuginfoUpgrade kernel-rt-debug-modulesUpgrade kernel-modules-extraUpgrade kernel-debug-coreUpgrade kernel-debug-debuginfoUpgrade kernel-rt-modulesUpgrade kernel-rt-coreUpgrade kernel-tools-debuginfoUpgrade kernel-rt-develUpgrade kernel-develUpgrade kernel-toolsUpgrade python3-perfUpgrade kernelUpgrade kernel-debug-modules-extraUpgrade kernel-rt-kvmUpgrade kernel-tools-libsUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debug-modulesUpgrade kernel-rt-debugUpgrade kernel-rt-modules-extraUpgrade kernel-rtUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-rt-debug-debuginfoUpgrade python3-perf-debuginfoUpgrade kernel-tools-libs-develUpgrade kernel-rt-debug-coreUpgrade bpftool | Feb 5, 2026 | Dec 4, 2025 |
| Suse | — | Upgrade reiserfs-kmp-64kbUpgrade dtb-amazonUpgrade kernel-zfcpdumpUpgrade dtb-amlogicUpgrade kernel-kvmsmall-vdsoUpgrade gfs2-kmp-azureUpgrade kernel-default-livepatchUpgrade kernel-default-optionalUpgrade kernel-source-rtUpgrade cluster-md-kmp-azureUpgrade kselftests-kmp-64kbUpgrade kernel-debugUpgrade kernel-source-azureUpgrade dtb-marvellUpgrade kernel-devel-azureUpgrade kernel-64kb-optionalUpgrade kernel-default-develUpgrade kernel-default-extraUpgrade kernel-macrosUpgrade kernel-64kbUpgrade kernel-rt-livepatchUpgrade kernel-docs-htmlUpgrade dtb-apmUpgrade kernel-obs-qaUpgrade kernel-rt-optionalUpgrade dtb-xilinxUpgrade kernel-kvmsmall-develUpgrade dtb-lgUpgrade gfs2-kmp-rtUpgrade dtb-freescaleUpgrade kernel-64kb-develUpgrade kernel-azure-optionalUpgrade dtb-appleUpgrade kernel-azure-extraUpgrade kernel-sourceUpgrade kernel-symsUpgrade cluster-md-kmp-defaultUpgrade ocfs2-kmp-rtUpgrade dtb-hisiliconUpgrade kernel-default-vdsoUpgrade dtb-broadcomUpgrade kernel-rtUpgrade ocfs2-kmp-64kbUpgrade dlm-kmp-64kbUpgrade dtb-alteraUpgrade dtb-qcomUpgrade cluster-md-kmp-rtUpgrade gfs2-kmp-64kbUpgrade kernel-azure-develUpgrade dtb-exynosUpgrade kernel-syms-azureUpgrade kselftests-kmp-azureUpgrade kernel-kvmsmallUpgrade dtb-caviumUpgrade kernel-rt_debug-develUpgrade cluster-md-kmp-64kbUpgrade kernel-defaultUpgrade kernel-default-base-rebuildUpgrade kernel-develUpgrade kselftests-kmp-rtUpgrade reiserfs-kmp-defaultUpgrade kselftests-kmp-defaultUpgrade dtb-renesasUpgrade dtb-allwinnerUpgrade dlm-kmp-defaultUpgrade kernel-rt-develUpgrade kernel-docsUpgrade dtb-nvidiaUpgrade dtb-socionextUpgrade kernel-azureUpgrade kernel-debug-develUpgrade gfs2-kmp-defaultUpgrade ocfs2-kmp-defaultUpgrade dtb-armUpgrade kernel-debug-vdsoUpgrade kernel-rt-extraUpgrade kernel-default-baseUpgrade kernel-64kb-extraUpgrade dtb-mediatekUpgrade dlm-kmp-rtUpgrade reiserfs-kmp-azureUpgrade kernel-syms-rtUpgrade dtb-sprdUpgrade dtb-amdUpgrade kernel-rt-livepatch-develUpgrade kernel-obs-buildUpgrade ocfs2-kmp-azureUpgrade kernel-rt_debug-vdsoUpgrade kernel-rt_debugUpgrade kernel-rt-vdsoUpgrade kernel-devel-rtUpgrade kernel-default-livepatch-develUpgrade kernel-azure-vdsoUpgrade reiserfs-kmp-rtUpgrade dtb-rockchipUpgrade kernel-source-vanillaUpgrade dlm-kmp-azure | Dec 5, 2025 | Oct 15, 2025 |
| Ubuntu | — | Upgrade linux-image-6.8.0-2040-raspi-realtimeUpgrade linux-image-6.8.0-1048-gkeUpgrade linux-image-aws-6.8Upgrade linux-image-fipsUpgrade linux-image-gke-64kUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-oem-22.04aUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-6.8.0-1048-gke-64kUpgrade linux-image-6.8.0-1050-aws-64kUpgrade linux-image-6.8.0-106-genericUpgrade linux-image-lowlatencyUpgrade linux-image-gke-64k-6.8Upgrade linux-image-raspi-6.8Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-azure-lts-24.04Upgrade linux-image-xilinx-6.8Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-kvmUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-realtime-6.8.1Upgrade linux-image-oem-22.04dUpgrade linux-image-generic-64k-6.8Upgrade linux-image-lowlatency-6.8Upgrade linux-image-6.8.0-1049-ibmUpgrade linux-image-6.8.0-1050-aws-fipsUpgrade linux-image-aws-fips-6.8Upgrade linux-image-6.8.0-1047-oracle-64kUpgrade linux-image-azureUpgrade linux-image-ibm-classicUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.0-106-lowlatencyUpgrade linux-image-generic-lpaeUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.8.0-1049-nvidia-lowlatency-64kUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-aws-fipsUpgrade linux-image-azure-fipsUpgrade linux-image-gkeop-6.8Upgrade linux-image-raspiUpgrade linux-image-virtual-6.8Upgrade linux-image-6.8.0-1050-raspiUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-gcp-64kUpgrade linux-image-ibmUpgrade linux-image-ibm-6.8Upgrade linux-image-oracle-6.8Upgrade linux-image-gcp-fipsUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-6.8.0-106-lowlatency-64kUpgrade linux-image-6.8.1-1045-realtimeUpgrade linux-image-awsUpgrade linux-image-aws-64k-6.8Upgrade linux-image-nvidia-6.8Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.8.0-1052-gcp-fipsUpgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1051-azureUpgrade linux-image-raspi-realtimeUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-oem-22.04cUpgrade linux-image-generic-64kUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-gcpUpgrade linux-image-oem-22.04bUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-realtime-hwe-22.04Upgrade linux-image-gkeopUpgrade linux-image-oem-22.04Upgrade linux-image-gcp-6.8Upgrade linux-image-oracleUpgrade linux-image-intel-iotgUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.8.0-1049-nvidia-lowlatencyUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-6.8.0-1029-xilinxUpgrade linux-image-gke-6.8Upgrade linux-image-6.8.0-1050-awsUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-aws-lts-24.04Upgrade linux-image-6.8.0-1052-gcpUpgrade linux-image-6.8.0-1035-gkeopUpgrade linux-image-virtualUpgrade linux-image-oracle-64kUpgrade linux-image-nvidiaUpgrade linux-image-6.8.0-106-fipsUpgrade linux-image-fips-6.8Upgrade linux-image-6.8.0-1052-azure-fipsUpgrade linux-image-xilinxUpgrade linux-image-6.8.0-1049-nvidia-64kUpgrade linux-image-6.8.0-1047-oracleUpgrade linux-image-realtimeUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-6.8.0-1049-nvidiaUpgrade linux-image-gkeUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-genericUpgrade linux-image-aws-64kUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-6.8.0-1052-gcp-64kUpgrade linux-image-6.8.0-106-generic-64kUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-generic-6.8Upgrade linux-image-azure-fips-6.8Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-azure-6.8Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-nvidia-lowlatency-64k-6.8 | Mar 17, 2026 | Sep 16, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 10, 2025 | Sep 16, 2025 |
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