In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix incorrect validation for num_aces field of smb_acl
parse_dcal() validate num_aces to allocate posix_ace_state_array.
if (num_aces > ULONG_MAX / sizeof(struct smb_ace *))
It is an incorrect validation that we can create an array of size ULONG_MAX. smb_acl has ->size field to calculate actual number of aces in request buffer size. Use this to check invalid num_aces.
CVSS Details
- CVSS 3.1 Base Score: 7.6
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux-6.1Upgrade linux | Apr 14, 2025 | Apr 2, 2025 |
| Ubuntu | — | Upgrade linux-image-lowlatency-64k-6.11Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-85-generic-64kUpgrade linux-image-azure-fipsUpgrade linux-image-generic-6.8Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-5.15.0-1080-raspiUpgrade linux-image-lowlatency-6.8Upgrade linux-image-5.15.0-1083-gkeUpgrade linux-image-6.8.0-1036-gke-64kUpgrade linux-image-aws-64k-6.8Upgrade linux-image-6.8.0-1037-ibmUpgrade linux-image-azure-fdeUpgrade linux-image-6.8.0-1037-oracleUpgrade linux-image-5.15.0-1086-realtimeUpgrade linux-image-5.15.0-142-genericUpgrade linux-image-5.15.0-1083-intel-iotgUpgrade linux-image-5.15.0-142-lowlatencyUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-5.15.0-1050-xilinx-zynqmpUpgrade linux-image-6.11.0-1017-oracleUpgrade linux-image-raspi-nolpaeUpgrade linux-image-azure-fde-6.11Upgrade linux-image-5.15.0-1039-nvidia-tegra-rtUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-oracle-6.8Upgrade linux-image-oem-22.04dUpgrade linux-image-virtualUpgrade linux-image-gke-64kUpgrade linux-image-6.8.0-84-lowlatencyUpgrade linux-image-6.11.0-1014-raspiUpgrade linux-image-6.8.0-1037-oracle-64kUpgrade linux-image-6.8.0-1039-nvidia-64kUpgrade linux-image-realtimeUpgrade linux-image-5.15.0-1086-aws-fipsUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-azure-cvmUpgrade linux-image-5.15.0-142-fipsUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-lowlatency-6.11Upgrade linux-image-generic-64k-6.8Upgrade linux-image-5.15.0-142-lowlatency-64kUpgrade linux-image-awsUpgrade linux-image-6.11.0-1015-lowlatencyUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-5.15.0-1028-nvidia-tegra-igx-rtUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-oem-22.04bUpgrade linux-image-gkeop-5.15Upgrade linux-image-6.8.0-1039-aws-64kUpgrade linux-image-aws-lts-22.04Upgrade linux-image-aws-lts-24.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-kvmUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-84-generic-64kUpgrade linux-image-6.11.0-1018-azure-fdeUpgrade linux-image-5.15.0-1039-nvidia-tegraUpgrade linux-image-6.8.0-1025-azure-nvidiaUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-gcp-64k-6.8Upgrade linux-image-oracleUpgrade linux-image-6.11.0-1017-oracle-64kUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-ibm-6.8Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.8.0-84-lowlatency-64kUpgrade linux-image-oem-24.04bUpgrade linux-image-6.8.0-1038-azureUpgrade linux-image-oem-20.04dUpgrade linux-image-5.15.0-1085-gcp-fipsUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-5.15.0-1086-awsUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-gcp-6.8Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-6.8.0-1039-nvidia-lowlatencyUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-6.11.0-28-generic-64kUpgrade linux-image-6.11.0-1015-lowlatency-64kUpgrade linux-image-6.8.0-1039-nvidia-lowlatency-64kUpgrade linux-image-nvidia-64kUpgrade linux-image-gkeop-6.8Upgrade linux-image-6.8.0-85-genericUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-oem-20.04cUpgrade linux-image-ibm-classicUpgrade linux-image-azure-6.11Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-6.8.0-1039-awsUpgrade linux-image-5.15.0-1082-kvmUpgrade linux-image-azure-fde-edgeUpgrade linux-image-oem-20.04Upgrade linux-image-aws-64kUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-realtime-hwe-22.04Upgrade linux-image-6.8.0-1040-gcpUpgrade linux-image-nvidiaUpgrade linux-image-azure-nvidiaUpgrade linux-image-intel-iotg-5.15Upgrade linux-image-azureUpgrade linux-image-5.15.0-1028-nvidia-tegra-igxUpgrade linux-image-6.8.0-1036-azure-fdeUpgrade linux-image-6.11.0-1011-realtimeUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-lowlatencyUpgrade linux-image-intelUpgrade linux-image-gcp-64kUpgrade linux-image-azure-lts-24.04Upgrade linux-image-aws-6.8Upgrade linux-image-6.8.0-2031-raspi-realtimeUpgrade linux-image-6.11.0-1016-gcpUpgrade linux-image-5.15.0-1080-nvidia-lowlatencyUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-azure-6.8Upgrade linux-image-gkeopUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-gcp-fipsUpgrade linux-image-5.15.0-1091-azureUpgrade linux-image-5.15.0-1068-gkeopUpgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-1036-azureUpgrade linux-image-6.8.0-84-genericUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-raspiUpgrade linux-image-azure-fde-6.8Upgrade linux-image-fipsUpgrade linux-image-6.8.0-1023-gkeopUpgrade linux-image-gcpUpgrade linux-image-6.11.0-1024-oemUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-intel-iotgUpgrade linux-image-ibmUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.8.0-1036-gkeUpgrade linux-image-virtual-6.8Upgrade linux-image-raspi-6.8Upgrade linux-image-6.8.0-1038-azure-fdeUpgrade linux-image-6.11.0-1016-gcp-64kUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-azure-nvidia-lts-24.04Upgrade linux-image-azure-lts-22.04Upgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-6.8.0-1039-raspiUpgrade linux-image-6.8.0-1040-gcp-64kUpgrade linux-image-5.15.0-1079-intel-iot-realtimeUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-realtime-6.8.1Upgrade linux-image-oracle-64kUpgrade linux-image-oem-22.04Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-gke-64k-6.8Upgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-gkeUpgrade linux-image-generic-64kUpgrade linux-image-5.15.0-1083-oracleUpgrade linux-image-6.8.0-1039-nvidiaUpgrade linux-image-6.11.0-1018-azureUpgrade linux-image-5.15.0-1081-intel-iotgUpgrade linux-image-5.15.0-1078-ibmUpgrade linux-image-6.8.1-1034-realtimeUpgrade linux-image-oem-22.04cUpgrade linux-image-gke-5.15Upgrade linux-image-genericUpgrade linux-image-aws-fipsUpgrade linux-image-6.11.0-28-genericUpgrade linux-image-azure-nvidia-6.8Upgrade linux-image-generic-lpaeUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-5.15.0-142-generic-lpaeUpgrade linux-image-5.15.0-142-generic-64kUpgrade linux-image-5.15.0-1091-azure-fipsUpgrade linux-image-5.15.0-1086-aws-64kUpgrade linux-image-5.15.0-1085-gcpUpgrade linux-image-5.15.0-1080-nvidiaUpgrade linux-image-raspi-realtimeUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-oem-22.04aUpgrade linux-image-oem-20.04bUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-gke-6.8Upgrade linux-image-6.11.0-1015-awsUpgrade linux-image-nvidia-tegra | Jun 20, 2025 | Apr 2, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 13, 2025 | Apr 2, 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