In the Linux kernel, the following vulnerability has been resolved:
smb: client: Avoid race in open_cached_dir with lease breaks
A pre-existing valid cfid returned from find_or_create_cached_dir might race with a lease break, meaning open_cached_dir doesn't consider it valid, and thinks it's newly-constructed. This leaks a dentry reference if the allocation occurs before the queued lease break work runs.
Avoid the race by extending holding the cfid_list_lock across find_or_create_cached_dir and when the result is checked.
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_2023 | — | Upgrade kernel6.12-modules-extraUpgrade kernel6.12-debuginfo-common-x86_64Upgrade perfUpgrade kernel-develUpgrade kernel-debuginfoUpgrade kernel-libbpf-develUpgrade python3-perf-debuginfoUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel-tools-debuginfoUpgrade perf-debuginfoUpgrade kernel-headersUpgrade kernelUpgrade kernel-livepatch-6.12.29-33.102Upgrade kernel-libbpfUpgrade kernel-modules-extraUpgrade kernel-tools-develUpgrade kernel6.12-debuginfoUpgrade perf6.12-debuginfoUpgrade python3-perf6.12Upgrade python3-perfUpgrade kernel6.12Upgrade kernel-debuginfo-common-x86_64Upgrade kernel-livepatch-6.1.148-173.267Upgrade kernel-debuginfo-common-aarch64Upgrade kernel-toolsUpgrade kernel-modules-extra-commonUpgrade kernel-libbpf-staticUpgrade bpftoolUpgrade perf6.12Upgrade python3-perf6.12-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-libbpf-debuginfo | Sep 9, 2025 | May 20, 2025 |
| Debian | — | Upgrade linuxNo solution exists | May 28, 2025 | May 20, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 20, 2025 |
| Suse | — | Upgrade kernel-default-livepatch-develUpgrade kernel-kvmsmall-vdsoUpgrade reiserfs-kmp-64kbUpgrade kernel-rt-vdsoUpgrade kernel-default-livepatchUpgrade kernel-source-rtUpgrade kernel-source-azureUpgrade dtb-allwinnerUpgrade kernel-azure-extraUpgrade dtb-amazonUpgrade dtb-appleUpgrade kselftests-kmp-azureUpgrade dtb-lgUpgrade kernel-default-base-rebuildUpgrade kernel-azure-optionalUpgrade gfs2-kmp-azureUpgrade dtb-exynosUpgrade reiserfs-kmp-defaultUpgrade kernel-obs-buildUpgrade dtb-renesasUpgrade kernel-develUpgrade dlm-kmp-64kbUpgrade kernel-rt-optionalUpgrade dtb-freescaleUpgrade dtb-nvidiaUpgrade gfs2-kmp-defaultUpgrade ocfs2-kmp-defaultUpgrade dlm-kmp-rtUpgrade cluster-md-kmp-64kbUpgrade kernel-rt-extraUpgrade dtb-alteraUpgrade kernel-default-develUpgrade dtb-qcomUpgrade ocfs2-kmp-64kbUpgrade ocfs2-kmp-azureUpgrade cluster-md-kmp-rtUpgrade kernel-azureUpgrade kselftests-kmp-64kbUpgrade kernel-default-baseUpgrade kernel-source-vanillaUpgrade kernel-rt_debug-develUpgrade kernel-default-optionalUpgrade dtb-broadcomUpgrade kernel-default-vdsoUpgrade dtb-marvellUpgrade kernel-64kbUpgrade kernel-64kb-extraUpgrade dtb-sprdUpgrade dtb-caviumUpgrade kernel-docs-htmlUpgrade kernel-sourceUpgrade kernel-debug-vdsoUpgrade kernel-defaultUpgrade dtb-amdUpgrade reiserfs-kmp-azureUpgrade dtb-hisiliconUpgrade dtb-apmUpgrade dlm-kmp-defaultUpgrade kernel-azure-vdsoUpgrade kernel-azure-develUpgrade dtb-socionextUpgrade dtb-rockchipUpgrade kernel-symsUpgrade gfs2-kmp-64kbUpgrade dtb-mediatekUpgrade kselftests-kmp-rtUpgrade kernel-rt-livepatch-develUpgrade cluster-md-kmp-defaultUpgrade kernel-rt-develUpgrade kernel-macrosUpgrade kernel-kvmsmallUpgrade ocfs2-kmp-rtUpgrade kernel-rt_debug-vdsoUpgrade gfs2-kmp-rtUpgrade cluster-md-kmp-azureUpgrade kernel-obs-qaUpgrade reiserfs-kmp-rtUpgrade kernel-rt_debugUpgrade kselftests-kmp-defaultUpgrade kernel-syms-azureUpgrade kernel-syms-rtUpgrade kernel-devel-rtUpgrade kernel-default-extraUpgrade kernel-debug-develUpgrade kernel-debugUpgrade kernel-64kb-optionalUpgrade dtb-xilinxUpgrade dlm-kmp-azureUpgrade kernel-zfcpdumpUpgrade dtb-armUpgrade kernel-docsUpgrade kernel-rtUpgrade dtb-amlogicUpgrade kernel-kvmsmall-develUpgrade kernel-devel-azureUpgrade kernel-64kb-devel | Dec 5, 2025 | Jun 16, 2025 |
| Ubuntu | — | Upgrade linux-image-aws-64kUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-6.8.0-1038-azureUpgrade linux-image-6.14.0-1011-awsUpgrade linux-image-gkeop-6.8Upgrade linux-image-intel-iotgUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-raspi-6.14Upgrade linux-image-6.14.0-1010-realtimeUpgrade linux-image-gke-64k-6.8Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-oem-22.04Upgrade linux-image-virtualUpgrade linux-image-gcpUpgrade linux-image-genericUpgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-oem-22.04bUpgrade linux-image-xilinxUpgrade linux-image-gcp-6.14Upgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-gkeUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-azure-6.8Upgrade linux-image-oracle-64kUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-virtual-6.14Upgrade linux-image-fips-6.8Upgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-nvidiaUpgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-aws-6.14Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-generic-64kUpgrade linux-image-azure-5.15Upgrade linux-image-6.14.0-1011-oracleUpgrade linux-image-gke-6.8Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-oem-22.04aUpgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-azure-lts-22.04Upgrade linux-image-6.8.0-1046-awsUpgrade linux-image-6.14.0-28-genericUpgrade linux-image-azure-fips-5.15Upgrade linux-image-6.14.0-1014-gcp-64kUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-realtime-hwe-22.04Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-xilinx-6.8Upgrade linux-image-6.8.0-1036-azureUpgrade linux-image-oracle-6.8Upgrade linux-image-raspi-realtimeUpgrade linux-image-6.8.0-1036-azure-fdeUpgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-6.8.0-1038-azure-fdeUpgrade linux-image-azure-nvidia-lts-24.04Upgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-aws-64k-6.14Upgrade linux-image-gkeopUpgrade linux-image-oem-24.04Upgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-lowlatency-64kUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-generic-6.8Upgrade linux-image-azure-fde-6.8Upgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-aws-lts-24.04Upgrade linux-image-oem-22.04cUpgrade linux-image-5.15.0-1096-azure-fipsUpgrade linux-image-6.8.0-100-fipsUpgrade linux-image-oem-24.04aUpgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-azure-nvidia-6.8Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-lowlatencyUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-aws-fips-6.8Upgrade linux-image-azure-fdeUpgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-awsUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-oem-6.14Upgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-ibm-classicUpgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-raspi-6.8Upgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-azureUpgrade linux-image-aws-6.8Upgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-generic-64k-6.8Upgrade linux-image-ibmUpgrade linux-image-6.14.0-1010-oemUpgrade linux-image-gcp-64k-6.14Upgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-realtime-6.14Upgrade linux-image-azure-cvmUpgrade linux-image-6.14.0-28-generic-64kUpgrade linux-image-oem-24.04cUpgrade linux-image-6.8.0-100-genericUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-generic-64k-6.14Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-lowlatency-6.8Upgrade linux-image-aws-fipsUpgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-azure-nvidiaUpgrade linux-image-aws-64k-6.8Upgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-generic-6.14Upgrade linux-image-realtime-6.8.1Upgrade linux-image-oracle-64k-6.14Upgrade linux-image-oem-22.04dUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-azure-lts-24.04Upgrade linux-image-azure-6.14Upgrade linux-image-gcp-6.8Upgrade linux-image-6.14.0-1014-gcpUpgrade linux-image-6.14.0-1012-raspiUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-gcp-fipsUpgrade linux-image-oracle-6.14Upgrade linux-image-kvmUpgrade linux-image-generic-lpaeUpgrade linux-image-gcp-64kUpgrade linux-image-realtimeUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-gke-64kUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-fipsUpgrade linux-image-azure-fipsUpgrade linux-image-6.8.0-1025-azure-nvidiaUpgrade linux-image-6.14.0-1011-oracle-64kUpgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-6.14.0-1010-azureUpgrade linux-image-oracleUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-ibm-6.8Upgrade linux-image-5.15.0-1096-azureUpgrade linux-image-virtual-6.8Upgrade linux-image-6.14.0-1011-aws-64kUpgrade linux-image-raspi | Jun 26, 2025 | May 20, 2025 |
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