In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix use-after-free in kerberos authentication
Setting sess->user = NULL was introduced to fix the dangling pointer created by ksmbd_free_user. However, it is possible another thread could be operating on the session and make use of sess->user after it has been passed to ksmbd_free_user but before sess->user is set to NULL.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux-6.1Upgrade linux | May 28, 2025 | May 20, 2025 |
| Ubuntu | — | Upgrade linux-image-5.15.0-1107-gkeUpgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-6.14.0-24-genericUpgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-5.15.0-1106-intel-iotgUpgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-realtime-6.8.1Upgrade linux-image-xilinx-6.8Upgrade linux-image-aws-lts-22.04Upgrade linux-image-gkeop-6.8Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-gke-64kUpgrade linux-image-kvmUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-gcp-64k-6.14Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-azure-5.15Upgrade linux-image-6.14.0-1006-realtimeUpgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-oem-24.04cUpgrade linux-image-generic-6.14Upgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-6.8.0-1046-awsUpgrade linux-image-5.15.0-1111-aws-fipsUpgrade linux-image-azure-cvmUpgrade linux-image-generic-64k-6.8Upgrade linux-image-gcp-64kUpgrade linux-image-5.15.0-1116-azure-fipsUpgrade linux-image-oem-20.04dUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-aws-64k-6.8Upgrade linux-image-5.15.0-1103-intel-iot-realtimeUpgrade linux-image-5.15.0-185-fipsUpgrade linux-image-virtual-5.15Upgrade linux-image-raspi-nolpaeUpgrade linux-image-aws-fips-5.15Upgrade linux-image-generic-6.8Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.14.0-1011-gcp-64kUpgrade linux-image-5.15.0-1074-xilinx-zynqmpUpgrade linux-image-oracle-6.14Upgrade linux-image-5.15.0-1063-nvidia-tegraUpgrade linux-image-5.15.0-1111-gcp-fipsUpgrade linux-image-lowlatency-6.8Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-gcp-5.15Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-5.15.0-1110-realtimeUpgrade linux-image-6.14.0-1010-azureUpgrade linux-image-6.8.0-100-genericUpgrade linux-image-5.15.0-183-lowlatency-64kUpgrade linux-image-azure-lts-24.04Upgrade linux-image-ibm-classicUpgrade linux-image-oem-22.04aUpgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-gcp-fips-5.15Upgrade linux-image-5.15.0-1111-gcpUpgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-raspi-6.8Upgrade linux-image-azure-fde-5.15Upgrade linux-image-ibmUpgrade linux-image-raspiUpgrade linux-image-fips-6.8Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-aws-64k-5.15Upgrade linux-image-oem-22.04bUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-aws-64k-6.14Upgrade linux-image-6.14.0-1009-oracle-64kUpgrade linux-image-generic-5.15Upgrade linux-image-nvidia-tegra-igxUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-aws-fips-6.8Upgrade linux-image-awsUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-oracle-5.15Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-aws-fipsUpgrade linux-image-nvidia-tegra-rt-5.15Upgrade linux-image-6.14.0-1009-oracleUpgrade linux-image-6.14.0-24-generic-64kUpgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-generic-64k-6.14Upgrade linux-image-5.15.0-185-genericUpgrade linux-image-gke-5.15Upgrade linux-image-oracle-64k-6.14Upgrade linux-image-azureUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-5.15.0-1063-nvidia-tegra-rtUpgrade linux-image-aws-lts-24.04Upgrade linux-image-oem-6.14Upgrade linux-image-nvidia-tegra-igx-rt-5.15Upgrade linux-image-lowlatencyUpgrade linux-image-ibm-6.8Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-gcp-6.8Upgrade linux-image-virtual-6.8Upgrade linux-image-azure-fipsUpgrade linux-image-5.15.0-1111-aws-64kUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-generic-64k-5.15Upgrade linux-image-gcp-fipsUpgrade linux-image-azure-fdeUpgrade linux-image-aws-6.8Upgrade linux-image-raspi-6.14Upgrade linux-image-5.15.0-1116-azureUpgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-5.15.0-1052-nvidia-tegra-igx-rtUpgrade linux-image-5.15.0-1105-raspiUpgrade linux-image-lowlatency-64kUpgrade linux-image-oem-24.04Upgrade linux-image-gkeUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-generic-64kUpgrade linux-image-nvidia-tegraUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-gcpUpgrade linux-image-5.15.0-183-lowlatencyUpgrade linux-image-6.8.0-100-fipsUpgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-nvidia-tegra-igx-5.15Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-nvidia-tegra-5.15Upgrade linux-image-intelUpgrade linux-image-generic-lpae-5.15Upgrade linux-image-gcp-6.14Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-1051-azureUpgrade linux-image-lowlatency-5.15Upgrade linux-image-aws-5.15Upgrade linux-image-6.14.0-1009-raspiUpgrade linux-image-oracleUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-virtual-6.14Upgrade linux-image-nvidia-64kUpgrade linux-image-ibm-5.15Upgrade linux-image-generic-lpaeUpgrade linux-image-azure-6.14Upgrade linux-image-raspi-5.15Upgrade linux-image-oracle-64kUpgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-fips-5.15Upgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-genericUpgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-5.15.0-1111-awsUpgrade linux-image-raspi-realtimeUpgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-gcp-64k-6.8Upgrade linux-image-oem-22.04Upgrade linux-image-oem-20.04bUpgrade linux-image-aws-64kUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-5.15.0-1106-nvidiaUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-6.14.0-1009-aws-64kUpgrade linux-image-azure-6.8Upgrade linux-image-intel-iotgUpgrade linux-image-intel-iotg-5.15Upgrade linux-image-oem-22.04dUpgrade linux-image-gkeop-5.15Upgrade linux-image-5.15.0-1108-oracleUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-oem-20.04Upgrade linux-image-oem-24.04aUpgrade linux-image-realtime-5.15Upgrade linux-image-oracle-6.8Upgrade linux-image-5.15.0-185-generic-64kUpgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-5.15.0-1105-ibmUpgrade linux-image-gke-64k-6.8Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-azure-lts-22.04Upgrade linux-image-5.15.0-1103-kvmUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-6.14.0-1007-oemUpgrade linux-image-fipsUpgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-6.14.0-1011-gcpUpgrade linux-image-6.14.0-1009-awsUpgrade linux-image-5.15.0-185-generic-lpaeUpgrade linux-image-5.15.0-1106-nvidia-lowlatencyUpgrade linux-image-5.15.0-1094-gkeopUpgrade linux-image-xilinxUpgrade linux-image-virtualUpgrade linux-image-oem-20.04cUpgrade linux-image-nvidia-6.8Upgrade linux-image-realtimeUpgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-gke-6.8Upgrade linux-image-gkeopUpgrade linux-image-nvidiaUpgrade linux-image-azure-fips-5.15Upgrade linux-image-azure-fips-6.8Upgrade linux-image-6.8.0-1046-azureUpgrade linux-image-realtime-6.14Upgrade linux-image-oem-22.04cUpgrade linux-image-nvidia-5.15Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-aws-6.14Upgrade linux-image-5.15.0-1116-azure-fdeUpgrade linux-image-kvm-5.15Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-5.15.0-1052-nvidia-tegra-igx | Jun 26, 2025 | May 20, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 13, 2025 | May 20, 2025 |
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