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-zfcpdump-modules-extraUpgrade python3-perfUpgrade kernel-zfcpdumpUpgrade kernel-tools-libsUpgrade kernel-debug-modulesUpgrade kernel-rt-modulesUpgrade kernel-rt-debugUpgrade kernel-develUpgrade kernel-debugUpgrade kernel-debug-develUpgrade kernel-rt-debug-modulesUpgrade kernel-modulesUpgrade kernel-coreUpgrade kernel-rt-coreUpgrade kernel-modules-extraUpgrade bpftoolUpgrade kernel-debug-coreUpgrade kernel-rt-debug-coreUpgrade perfUpgrade kernel-rt-modules-extraUpgrade kernel-rt-develUpgrade kernel-debug-modules-extraUpgrade kernel-docUpgrade kernel-toolsUpgrade kernel-rt-debug-modules-extraUpgrade kernel-headersUpgrade kernelUpgrade kernel-rt-debug-develUpgrade kernel-zfcpdump-modulesUpgrade kernel-zfcpdump-coreUpgrade kernel-zfcpdump-develUpgrade kernel-rtUpgrade kernel-abi-stablelistsUpgrade kernel-tools-libs-develUpgrade kernel-cross-headers | Dec 8, 2025 | Dec 1, 2025 |
| Amazon_linux_2023 | — | Upgrade kernel-modules-extra-commonUpgrade kernel-headersUpgrade kernel6.12-debuginfoUpgrade kernel-libbpf-debuginfoUpgrade kernel6.12-modules-extraUpgrade kernel6.12-libbpfUpgrade perf6.12Upgrade kernel-tools-develUpgrade kernel-debuginfo-common-x86_64Upgrade perf-debuginfoUpgrade kernel6.12-libbpf-staticUpgrade kernelUpgrade kernel-livepatch-6.1.150-174.273Upgrade kernel6.12-libbpf-develUpgrade kernel6.12-tools-debuginfoUpgrade kernel-toolsUpgrade bpftool6.12-debuginfoUpgrade perfUpgrade bpftool6.12Upgrade python3-perf6.12-debuginfoUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel-livepatch-6.12.46-66.121Upgrade kernel6.12-tools-develUpgrade kernel-tools-debuginfoUpgrade python3-perf-debuginfoUpgrade python3-perf6.12Upgrade kernel6.12-toolsUpgrade kernel6.12-headersUpgrade kernel-modules-extraUpgrade kernel6.12-develUpgrade kernel-libbpfUpgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel-libbpf-staticUpgrade kernel6.12Upgrade kernel-debuginfo-common-aarch64Upgrade python3-perfUpgrade perf6.12-debuginfoUpgrade kernel-libbpf-develUpgrade kernel-debuginfoUpgrade bpftool-debuginfoUpgrade bpftoolUpgrade kernel6.12-modules-extra-commonUpgrade kernel-develUpgrade kernel6.12-libbpf-debuginfo | Sep 30, 2025 | Sep 16, 2025 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Sep 25, 2025 | Sep 25, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade python3-perfUpgrade bpftoolUpgrade kernel-tools-libsUpgrade kernelUpgrade kernel-toolsUpgrade kernel-abi-stablelists | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp12 | — | Upgrade python3-perfUpgrade kernelUpgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-abi-stablelistsUpgrade kernel-tools | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-toolsUpgrade kernel-tools-libsUpgrade bpftoolUpgrade kernelUpgrade python3-perfUpgrade kernel-abi-stablelists | Feb 3, 2026 | Feb 2, 2026 |
| Oracle_linux | — | Upgrade kernel-uekUpgrade kernel | Nov 11, 2025 | Sep 16, 2025 |
| Redhat_linux | — | Upgrade kernelUpgrade kernel-rtNo solution exists | Nov 14, 2025 | Sep 16, 2025 |
| Rocky_linux | — | Upgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-debug-modulesUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-toolsUpgrade kernel-rt-debug-coreUpgrade kernel-rt-debug-debuginfoUpgrade kernel-tools-libsUpgrade kernel-rtUpgrade python3-perf-debuginfoUpgrade kernel-rt-debugUpgrade kernel-tools-libs-develUpgrade bpftoolUpgrade kernelUpgrade kernel-debug-modules-extraUpgrade kernel-rt-kvmUpgrade kernel-rt-develUpgrade kernel-rt-modules-extraUpgrade kernel-develUpgrade python3-perfUpgrade kernel-coreUpgrade kernel-debug-debuginfoUpgrade kernel-debug-coreUpgrade kernel-rt-debuginfoUpgrade kernel-rt-debug-modules-extraUpgrade bpftool-debuginfoUpgrade kernel-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-rt-modulesUpgrade kernel-rt-coreUpgrade kernel-rt-debug-kvmUpgrade kernel-debug-develUpgrade kernel-rt-debug-develUpgrade kernel-rt-debug-modulesUpgrade kernel-modules-extraUpgrade kernel-modulesUpgrade perf-debuginfoUpgrade kernel-debugUpgrade perf | Feb 5, 2026 | Dec 4, 2025 |
| Suse | — | Upgrade dtb-hisiliconUpgrade kernel-symsUpgrade cluster-md-kmp-defaultUpgrade kernel-64kb-optionalUpgrade kernel-kvmsmall-vdsoUpgrade kernel-zfcpdumpUpgrade dtb-amlogicUpgrade kernel-debugUpgrade kernel-default-develUpgrade kernel-default-extraUpgrade dtb-marvellUpgrade ocfs2-kmp-rtUpgrade gfs2-kmp-64kbUpgrade reiserfs-kmp-64kbUpgrade ocfs2-kmp-64kbUpgrade cluster-md-kmp-rtUpgrade dtb-apmUpgrade dtb-amazonUpgrade kselftests-kmp-azureUpgrade dtb-exynosUpgrade dtb-qcomUpgrade kernel-kvmsmall-develUpgrade kernel-kvmsmallUpgrade dtb-alteraUpgrade kernel-rt-livepatchUpgrade gfs2-kmp-azureUpgrade kernel-default-vdsoUpgrade kernel-devel-azureUpgrade kernel-default-livepatchUpgrade kernel-source-azureUpgrade kernel-sourceUpgrade dtb-broadcomUpgrade kernel-docs-htmlUpgrade kernel-64kbUpgrade kernel-macrosUpgrade kernel-obs-qaUpgrade gfs2-kmp-rtUpgrade dtb-caviumUpgrade kernel-syms-azureUpgrade cluster-md-kmp-azureUpgrade kernel-default-optionalUpgrade kernel-rt_debug-develUpgrade kernel-azure-develUpgrade kselftests-kmp-64kbUpgrade kernel-source-rtUpgrade dlm-kmp-64kbUpgrade dtb-appleUpgrade kernel-rt-optionalUpgrade dtb-freescaleUpgrade dtb-xilinxUpgrade kernel-azure-extraUpgrade kernel-rtUpgrade kernel-64kb-develUpgrade kernel-azure-optionalUpgrade dtb-lgUpgrade kernel-azure-vdsoUpgrade kernel-rt_debug-vdsoUpgrade reiserfs-kmp-defaultUpgrade kselftests-kmp-defaultUpgrade dtb-allwinnerUpgrade kernel-rt-develUpgrade kernel-docsUpgrade kernel-defaultUpgrade dtb-renesasUpgrade kernel-default-base-rebuildUpgrade dtb-nvidiaUpgrade dlm-kmp-defaultUpgrade ocfs2-kmp-azureUpgrade kernel-syms-rtUpgrade kernel-rt-extraUpgrade kernel-default-baseUpgrade kernel-64kb-extraUpgrade dtb-mediatekUpgrade dlm-kmp-rtUpgrade reiserfs-kmp-azureUpgrade kernel-default-livepatch-develUpgrade dlm-kmp-azureUpgrade ocfs2-kmp-defaultUpgrade kernel-debug-develUpgrade kernel-azureUpgrade dtb-socionextUpgrade gfs2-kmp-defaultUpgrade cluster-md-kmp-64kbUpgrade reiserfs-kmp-rtUpgrade kselftests-kmp-rtUpgrade kernel-source-vanillaUpgrade dtb-rockchipUpgrade dtb-armUpgrade kernel-debug-vdsoUpgrade kernel-rt_debugUpgrade kernel-rt-vdsoUpgrade kernel-rt-livepatch-develUpgrade kernel-obs-buildUpgrade kernel-devel-rtUpgrade kernel-develUpgrade dtb-sprdUpgrade dtb-amd | Dec 5, 2025 | Oct 15, 2025 |
| Ubuntu | — | Upgrade linux-image-fipsUpgrade linux-image-virtual-6.8Upgrade linux-image-raspiUpgrade linux-image-gkeop-6.8Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-azure-fipsUpgrade linux-image-6.8.0-1048-gke-64kUpgrade linux-image-aws-6.8Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-aws-fips-6.8Upgrade linux-image-azureUpgrade linux-image-generic-lpaeUpgrade linux-image-xilinx-6.8Upgrade linux-image-6.8.0-1048-gkeUpgrade linux-image-aws-fipsUpgrade linux-image-gke-64kUpgrade linux-image-gke-64k-6.8Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1049-ibmUpgrade linux-image-6.8.0-106-genericUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.8.0-1050-aws-64kUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-realtime-6.8.1Upgrade linux-image-lowlatencyUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-lowlatency-6.8Upgrade linux-image-raspi-6.8Upgrade linux-image-azure-lts-24.04Upgrade linux-image-ibm-classicUpgrade linux-image-kvmUpgrade linux-image-nvidia-6.8Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.8.0-1052-gcp-fipsUpgrade linux-image-generic-64k-6.8Upgrade linux-image-oem-22.04aUpgrade linux-image-aws-64k-6.8Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.8.0-106-lowlatency-64kUpgrade linux-image-6.8.0-2040-raspi-realtimeUpgrade linux-image-ibm-6.8Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-oracle-6.8Upgrade linux-image-6.8.0-106-lowlatencyUpgrade linux-image-6.8.0-1050-raspiUpgrade linux-image-gcp-64kUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-gcp-fipsUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-oem-22.04dUpgrade linux-image-ibmUpgrade linux-image-6.8.1-1045-realtimeUpgrade linux-image-6.8.0-1047-oracle-64kUpgrade linux-image-6.8.0-1049-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1050-aws-fipsUpgrade linux-image-awsUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-generic-64kUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.8.0-1049-nvidia-64kUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-aws-lts-24.04Upgrade linux-image-6.8.0-1051-azureUpgrade linux-image-6.8.0-1049-nvidia-lowlatencyUpgrade linux-image-6.8.0-1035-gkeopUpgrade linux-image-virtualUpgrade linux-image-oracle-64kUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-intel-iotgUpgrade linux-image-gcp-6.8Upgrade linux-image-lowlatency-64kUpgrade linux-image-oracleUpgrade linux-image-gcpUpgrade linux-image-gke-6.8Upgrade linux-image-6.8.0-1050-awsUpgrade linux-image-6.8.0-1029-xilinxUpgrade linux-image-xilinxUpgrade linux-image-6.8.0-1047-oracleUpgrade linux-image-azure-6.8Upgrade linux-image-6.8.0-1052-azure-fipsUpgrade linux-image-nvidiaUpgrade linux-image-fips-6.8Upgrade linux-image-6.8.0-1049-nvidiaUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-6.8.0-1052-gcp-64kUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-6.8.0-106-generic-64kUpgrade linux-image-realtimeUpgrade linux-image-aws-64kUpgrade linux-image-6.8.0-106-fipsUpgrade linux-image-genericUpgrade linux-image-raspi-realtimeUpgrade linux-image-gkeUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-generic-6.8Upgrade linux-image-oem-22.04bUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-azure-fips-6.8Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-oem-22.04cUpgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1052-gcpUpgrade linux-image-oem-22.04Upgrade linux-image-gkeop | 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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