In the Linux kernel, the following vulnerability has been resolved:
smb: client: fix memory leak in cifs_construct_tcon()
When having a multiuser mount with domain= specified and using cifscreds, cifs_set_cifscreds() will end up setting @ctx->domainname, so it needs to be freed before leaving cifs_construct_tcon().
This fixes the following memory leak reported by kmemleak:
mount.cifs //srv/share /mnt -o domain=ZELDA,multiuser,... su - testuser cifscreds add -d ZELDA -u testuser ... ls /mnt/1 ... umount /mnt echo scan > /sys/kernel/debug/kmemleak cat /sys/kernel/debug/kmemleak unreferenced object 0xffff8881203c3f08 (size 8): comm "ls", pid 5060, jiffies 4307222943 hex dump (first 8 bytes): 5a 45 4c 44 41 00 cc cc ZELDA... backtrace (crc d109a8cf): __kmalloc_node_track_caller_noprof+0x572/0x710 kstrdup+0x3a/0x70 cifs_sb_tlink+0x1209/0x1770 [cifs] cifs_get_fattr+0xe1/0xf50 [cifs] cifs_get_inode_info+0xb5/0x240 [cifs] cifs_revalidate_dentry_attr+0x2d1/0x470 [cifs] cifs_getattr+0x28e/0x450 [cifs] vfs_getattr_nosec+0x126/0x180 vfs_statx+0xf6/0x220 do_statx+0xab/0x110 __x64_sys_statx+0xd5/0x130 do_syscall_64+0xbb/0x380 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-toolsUpgrade kernelUpgrade kernel-develUpgrade bpftoolUpgrade kernel-tools-develUpgrade kernel-livepatch-5.15.197-138.220Upgrade kernel-debuginfo-common-aarch64Upgrade python-perfUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-debuginfoUpgrade kernel-livepatch-5.10.247-246.989Upgrade perfUpgrade kernel-debuginfoUpgrade kernel-headersUpgrade python-perf-debuginfoUpgrade perf-debuginfoUpgrade bpftool-debuginfo | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade perf-debuginfoUpgrade kernel-libbpf-debuginfoUpgrade bpftool6.12-debuginfoUpgrade kernel6.12-libbpf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-modules-extra-commonUpgrade bpftool6.12Upgrade kernel6.12-libbpf-develUpgrade kernel-toolsUpgrade kernel6.12-headersUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-livepatch-6.12.63-84.121Upgrade kernel6.12Upgrade perf6.12Upgrade perf6.12-debuginfoUpgrade kernel-livepatch-6.1.159-181.297Upgrade kernel6.12-develUpgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel-libbpfUpgrade kernel-libbpf-develUpgrade bpftoolUpgrade kernel6.12-modules-extra-commonUpgrade kernel-libbpf-staticUpgrade kernel6.12-toolsUpgrade kernel6.12-libbpf-staticUpgrade kernel-debuginfo-common-aarch64Upgrade python3-perfUpgrade kernel-modules-extraUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel-tools-debuginfoUpgrade kernelUpgrade python3-perf6.12-debuginfoUpgrade kernel-tools-develUpgrade kernel-develUpgrade kernel6.12-debuginfoUpgrade kernel-debuginfoUpgrade python3-perf6.12Upgrade kernel6.12-modules-extraUpgrade kernel6.12-tools-develUpgrade kernel6.12-libbpfUpgrade kernel-headersUpgrade perfUpgrade python3-perf-debuginfoUpgrade kernel6.12-tools-debuginfo | Jan 12, 2026 | Dec 16, 2025 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Dec 18, 2025 | Dec 18, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-toolsUpgrade python3-perfUpgrade bpftoolUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade kernel | Mar 17, 2026 | Mar 16, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-tools-libsUpgrade python3-perfUpgrade kernelUpgrade kernel-abi-stablelistsUpgrade bpftoolUpgrade kernel-tools | Mar 10, 2026 | Mar 10, 2026 |
| Oracle_linux | — | Upgrade kernel-uek | Feb 24, 2026 | Dec 16, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 16, 2025 |
| Ubuntu | — | Upgrade linux-image-ibm-classicUpgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-oem-20.04Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-genericUpgrade linux-image-gcp-fipsUpgrade linux-image-generic-lpae-5.15Upgrade linux-image-raspiUpgrade linux-image-6.8.0-1050-aws-64kUpgrade linux-image-6.8.0-106-genericUpgrade linux-image-gke-5.15Upgrade linux-image-lowlatencyUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-aws-fipsUpgrade linux-image-gcpUpgrade linux-image-gke-64k-6.8Upgrade linux-image-ibm-5.15Upgrade linux-image-oem-22.04cUpgrade linux-image-oem-24.04aUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-lowlatency-64kUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-5.15.0-1099-gkeUpgrade linux-image-aws-64k-6.17Upgrade linux-image-azure-6.8Upgrade linux-image-6.8.0-1049-ibmUpgrade linux-image-generic-6.17Upgrade linux-image-6.8.0-2040-raspi-realtimeUpgrade linux-image-6.8.0-1047-oracleUpgrade linux-image-5.15.0-1044-nvidia-tegra-igxUpgrade linux-image-raspi-realtimeUpgrade linux-image-realtime-6.17Upgrade linux-image-5.15.0-1097-raspiUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-1049-nvidia-lowlatencyUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-oem-22.04aUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-oem-22.04Upgrade linux-image-xilinx-6.8Upgrade linux-image-intel-iotgUpgrade linux-image-nvidiaUpgrade linux-image-6.8.0-1052-gcp-64kUpgrade linux-image-fipsUpgrade linux-image-nvidia-6.8Upgrade linux-image-6.17.0-1017-oemUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-5.15.0-1109-azureUpgrade linux-image-oracle-64kUpgrade linux-image-6.8.0-1035-gkeopUpgrade linux-image-generic-64k-6.17Upgrade linux-image-6.17.0-1009-oracleUpgrade linux-image-gkeopUpgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-intelUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-intel-iotg-5.15Upgrade linux-image-nvidia-5.15Upgrade linux-image-raspi-5.15Upgrade linux-image-virtual-6.8Upgrade linux-image-6.8.0-1050-awsUpgrade linux-image-virtual-6.17Upgrade linux-image-5.15.0-1109-azure-fipsUpgrade linux-image-raspi-6.8Upgrade linux-image-5.15.0-173-lowlatencyUpgrade linux-image-azure-lts-22.04Upgrade linux-image-ibmUpgrade linux-image-oem-24.04dUpgrade linux-image-6.8.1-1045-realtimeUpgrade linux-image-6.8.0-1052-azure-fipsUpgrade linux-image-gcp-64kUpgrade linux-image-oem-20.04cUpgrade linux-image-gke-6.8Upgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-azureUpgrade linux-image-aws-6.8Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-generic-64kUpgrade linux-image-azure-lts-24.04Upgrade linux-image-azure-fips-5.15Upgrade linux-image-xilinxUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-kvm-5.15Upgrade linux-image-6.8.0-1049-nvidiaUpgrade linux-image-lowlatency-5.15Upgrade linux-image-5.15.0-1100-oracleUpgrade linux-image-generic-lpaeUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-nvidia-64kUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-6.8.0-106-generic-64kUpgrade linux-image-gkeUpgrade linux-image-6.8.0-1051-azureUpgrade linux-image-5.15.0-173-generic-64kUpgrade linux-image-realtime-5.15Upgrade linux-image-5.15.0-1103-gcp-fipsUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-oracle-5.15Upgrade linux-image-6.8.0-106-fipsUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-aws-6.17Upgrade linux-image-6.8.0-1048-gke-64kUpgrade linux-image-6.17.0-1010-azureUpgrade linux-image-5.15.0-1103-aws-64kUpgrade linux-image-fips-5.15Upgrade linux-image-realtime-6.8.1Upgrade linux-image-6.8.0-1048-gkeUpgrade linux-image-gkeop-6.8Upgrade linux-image-aws-64kUpgrade linux-image-oem-20.04bUpgrade linux-image-nvidia-tegraUpgrade linux-image-oem-24.04Upgrade linux-image-6.8.0-106-lowlatency-64kUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-5.15.0-173-genericUpgrade linux-image-5.15.0-173-lowlatency-64kUpgrade linux-image-5.15.0-1094-intel-iot-realtimeUpgrade linux-image-6.8.0-1029-xilinxUpgrade linux-image-5.15.0-1055-nvidia-tegra-rtUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-azure-6.17Upgrade linux-image-5.15.0-1055-nvidia-tegraUpgrade linux-image-5.15.0-1086-gkeopUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-5.15.0-1098-intel-iotgUpgrade linux-image-6.8.0-1052-gcp-fipsUpgrade linux-image-generic-64k-6.8Upgrade linux-image-awsUpgrade linux-image-6.17.0-19-generic-64kUpgrade linux-image-5.15.0-1103-awsUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-6.8.0-1050-raspiUpgrade linux-image-5.15.0-1098-nvidia-lowlatencyUpgrade linux-image-5.15.0-1098-nvidiaUpgrade linux-image-oem-24.04bUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-oem-6.17Upgrade linux-image-nvidia-tegra-igxUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1050-aws-fipsUpgrade linux-image-6.17.0-1009-oracle-64kUpgrade linux-image-5.15.0-173-generic-lpaeUpgrade linux-image-realtimeUpgrade linux-image-raspi-6.17Upgrade linux-image-virtualUpgrade linux-image-5.15.0-1044-nvidia-tegra-igx-rtUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.17.0-1008-realtimeUpgrade linux-image-generic-64k-5.15Upgrade linux-image-6.8.0-106-lowlatencyUpgrade linux-image-6.8.0-1049-nvidia-lowlatency-64kUpgrade linux-image-aws-lts-24.04Upgrade linux-image-oem-20.04dUpgrade linux-image-5.15.0-1102-realtimeUpgrade linux-image-5.15.0-173-fipsUpgrade linux-image-azure-5.15Upgrade linux-image-gke-64kUpgrade linux-image-oracle-6.8Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-gcp-6.8Upgrade linux-image-kvmUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-oem-22.04bUpgrade linux-image-6.17.0-19-genericUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-aws-fips-5.15Upgrade linux-image-6.8.0-1047-oracle-64kUpgrade linux-image-6.17.0-1009-gcp-64kUpgrade linux-image-lowlatency-6.8Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-generic-5.15Upgrade linux-image-5.15.0-1067-xilinx-zynqmpUpgrade linux-image-5.15.0-1097-ibmUpgrade linux-image-gcp-64k-6.17Upgrade linux-image-oracle-64k-6.17Upgrade linux-image-gcp-5.15Upgrade linux-image-azure-fips-6.8Upgrade linux-image-azure-fipsUpgrade linux-image-6.8.0-1049-nvidia-64kUpgrade linux-image-6.17.0-1009-gcpUpgrade linux-image-6.17.0-1009-aws-64kUpgrade linux-image-6.17.0-1009-awsUpgrade linux-image-5.15.0-1103-gcpUpgrade linux-image-5.15.0-1103-aws-fipsUpgrade linux-image-6.17.0-1010-raspiUpgrade linux-image-azure-cvmUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-raspi-nolpaeUpgrade linux-image-gcp-6.17Upgrade linux-image-oracle-6.17Upgrade linux-image-oem-24.04cUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-generic-6.8Upgrade linux-image-aws-64k-6.8Upgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-gkeop-5.15Upgrade linux-image-aws-5.15Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-gcp-fips-5.15Upgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-virtual-5.15Upgrade linux-image-aws-fips-6.8Upgrade linux-image-6.8.0-1052-gcpUpgrade linux-image-5.15.0-1095-kvmUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-fips-6.8Upgrade linux-image-aws-lts-22.04Upgrade linux-image-aws-64k-5.15Upgrade linux-image-5.15.0-1110-azureUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-oracleUpgrade linux-image-oem-22.04dUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-ibm-6.8Upgrade linux-image-gcp-lts-22.04 | Mar 17, 2026 | Dec 16, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Dec 16, 2025 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub