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