In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix null pointer dereference in destroy_previous_session
If client set ->PreviousSessionId on kerberos session setup stage, NULL pointer dereference error will happen. Since sess->user is not set yet, It can pass the user argument as NULL to destroy_previous_session. sess->user will be set in ksmbd_krb5_authenticate(). So this patch move calling destroy_previous_session() after ksmbd_krb5_authenticate().
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 |
|---|---|---|---|---|
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Jul 7, 2025 | Jul 4, 2025 |
| Ubuntu | — | Upgrade linux-image-realtime-hwe-22.04Upgrade linux-image-xilinxUpgrade linux-image-realtimeUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-6.14.0-1018-gcpUpgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-aws-64k-6.8Upgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-azure-lts-24.04Upgrade linux-image-aws-64k-6.14Upgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-oem-24.04cUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-generic-64kUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-aws-lts-24.04Upgrade linux-image-aws-64kUpgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-6.8.0-100-genericUpgrade linux-image-6.14.0-1014-oemUpgrade linux-image-6.14.0-1015-aws-64kUpgrade linux-image-6.14.0-1007-azure-nvidiaUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-aws-6.14Upgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-oem-22.04aUpgrade linux-image-ibm-6.8Upgrade linux-image-generic-6.8Upgrade linux-image-gcpUpgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-6.14.0-1015-awsUpgrade linux-image-6.14.0-1014-realtimeUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-oracle-64kUpgrade linux-image-oem-22.04bUpgrade linux-image-azure-fipsUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-gke-64k-6.8Upgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-oem-24.04Upgrade linux-image-azure-6.8Upgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-gkeUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-kvmUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-intel-iotgUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-azure-nvidia-6.14Upgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-aws-fips-6.8Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-fips-6.8Upgrade linux-image-oem-24.04aUpgrade linux-image-oracle-6.8Upgrade linux-image-ibm-classicUpgrade linux-image-gke-6.8Upgrade linux-image-nvidia-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-oem-22.04cUpgrade linux-image-ibmUpgrade linux-image-gkeop-6.8Upgrade linux-image-6.8.0-100-fipsUpgrade linux-image-gkeopUpgrade linux-image-azure-fips-6.8Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-virtualUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-gcp-6.14Upgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-virtual-6.14Upgrade linux-image-raspi-6.14Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-aws-fipsUpgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-lowlatencyUpgrade linux-image-oem-22.04dUpgrade linux-image-gcp-6.8Upgrade linux-image-realtime-6.14Upgrade linux-image-6.14.0-1015-oracleUpgrade linux-image-oracleUpgrade linux-image-oracle-64k-6.14Upgrade linux-image-azure-nvidiaUpgrade linux-image-gcp-64kUpgrade linux-image-generic-64k-6.8Upgrade linux-image-aws-6.8Upgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-fipsUpgrade linux-image-6.14.0-34-genericUpgrade linux-image-generic-lpaeUpgrade linux-image-oem-24.04bUpgrade linux-image-6.14.0-1018-gcp-64kUpgrade linux-image-gke-64kUpgrade linux-image-lowlatency-6.8Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-genericUpgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-oem-6.14Upgrade linux-image-oem-22.04Upgrade linux-image-virtual-6.8Upgrade linux-image-gcp-64k-6.8Upgrade linux-image-xilinx-6.8Upgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-realtime-6.8.1Upgrade linux-image-raspi-6.8Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.14.0-1014-azureUpgrade linux-image-oracle-6.14Upgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-azure-6.14Upgrade linux-image-generic-64k-6.14Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.8.0-1046-awsUpgrade linux-image-nvidiaUpgrade linux-image-azureUpgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1051-azureUpgrade linux-image-6.8.0-1046-azureUpgrade linux-image-awsUpgrade linux-image-gcp-64k-6.14Upgrade linux-image-gcp-fipsUpgrade linux-image-generic-6.14Upgrade linux-image-6.14.0-1016-raspiUpgrade linux-image-raspiUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-6.14.0-34-generic-64kUpgrade linux-image-6.14.0-1015-oracle-64kUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.8.0-1044-ibm | Jul 9, 2025 | Jul 4, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 9, 2025 | Jul 4, 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