In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix session use-after-free in multichannel connection
There is a race condition between session setup and ksmbd_sessions_deregister. The session can be freed before the connection is added to channel list of session. This patch check reference count of session before freeing it.
CVSS Details
- CVSS 3.1 Base Score: 8.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | debian-upgrade-linuxdebian-upgrade-linux-6-1 | Apr 29, 2025 | Apr 16, 2025 | |
| Ubuntu | ubuntu-upgrade-linux-image-6-11-0-1011-realtimeubuntu-upgrade-linux-image-6-11-0-1014-raspiubuntu-upgrade-linux-image-6-11-0-1015-awsubuntu-upgrade-linux-image-6-11-0-1015-lowlatencyubuntu-upgrade-linux-image-6-11-0-1015-lowlatency-64kubuntu-upgrade-linux-image-6-11-0-1016-gcpubuntu-upgrade-linux-image-6-11-0-1016-gcp-64kubuntu-upgrade-linux-image-6-11-0-1017-oracleubuntu-upgrade-linux-image-6-11-0-1017-oracle-64kubuntu-upgrade-linux-image-6-11-0-1018-azureubuntu-upgrade-linux-image-6-11-0-1018-azure-fdeubuntu-upgrade-linux-image-6-11-0-1024-oemubuntu-upgrade-linux-image-6-11-0-28-genericubuntu-upgrade-linux-image-6-11-0-28-generic-64kubuntu-upgrade-linux-image-6-14-0-1004-realtimeubuntu-upgrade-linux-image-6-14-0-1007-awsubuntu-upgrade-linux-image-6-14-0-1007-aws-64kubuntu-upgrade-linux-image-6-14-0-1007-azureubuntu-upgrade-linux-image-6-14-0-1007-azure-fdeubuntu-upgrade-linux-image-6-14-0-1007-oracleubuntu-upgrade-linux-image-6-14-0-1007-oracle-64kubuntu-upgrade-linux-image-6-14-0-1007-raspiubuntu-upgrade-linux-image-6-14-0-1008-gcpubuntu-upgrade-linux-image-6-14-0-1008-gcp-64kubuntu-upgrade-linux-image-6-14-0-22-genericubuntu-upgrade-linux-image-6-14-0-22-generic-64kubuntu-upgrade-linux-image-6-8-0-1025-gkeopubuntu-upgrade-linux-image-6-8-0-1029-azure-nvidiaubuntu-upgrade-linux-image-6-8-0-1038-gkeubuntu-upgrade-linux-image-6-8-0-1038-gke-64kubuntu-upgrade-linux-image-6-8-0-1038-oracleubuntu-upgrade-linux-image-6-8-0-1038-oracle-64kubuntu-upgrade-linux-image-6-8-0-1039-ibmubuntu-upgrade-linux-image-6-8-0-1041-awsubuntu-upgrade-linux-image-6-8-0-1041-aws-64kubuntu-upgrade-linux-image-6-8-0-1041-azureubuntu-upgrade-linux-image-6-8-0-1041-nvidiaubuntu-upgrade-linux-image-6-8-0-1041-nvidia-64kubuntu-upgrade-linux-image-6-8-0-1041-nvidia-lowlatencyubuntu-upgrade-linux-image-6-8-0-1041-nvidia-lowlatency-64kubuntu-upgrade-linux-image-6-8-0-1041-raspiubuntu-upgrade-linux-image-6-8-0-1042-gcpubuntu-upgrade-linux-image-6-8-0-1042-gcp-64kubuntu-upgrade-linux-image-6-8-0-1044-azure-fipsubuntu-upgrade-linux-image-6-8-0-2032-raspi-realtimeubuntu-upgrade-linux-image-6-8-0-86-genericubuntu-upgrade-linux-image-6-8-0-86-generic-64kubuntu-upgrade-linux-image-6-8-0-86-lowlatencyubuntu-upgrade-linux-image-6-8-0-86-lowlatency-64kubuntu-upgrade-linux-image-6-8-1-1036-realtimeubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-6-8ubuntu-upgrade-linux-image-aws-64kubuntu-upgrade-linux-image-aws-64k-6-8ubuntu-upgrade-linux-image-aws-64k-lts-24-04ubuntu-upgrade-linux-image-aws-lts-24-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-6-11ubuntu-upgrade-linux-image-azure-6-8ubuntu-upgrade-linux-image-azure-fdeubuntu-upgrade-linux-image-azure-fde-6-11ubuntu-upgrade-linux-image-azure-fde-edgeubuntu-upgrade-linux-image-azure-fipsubuntu-upgrade-linux-image-azure-fips-6-8ubuntu-upgrade-linux-image-azure-lts-24-04ubuntu-upgrade-linux-image-azure-nvidia-6-8ubuntu-upgrade-linux-image-azure-nvidia-lts-24-04ubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-6-8ubuntu-upgrade-linux-image-gcp-64kubuntu-upgrade-linux-image-gcp-64k-6-8ubuntu-upgrade-linux-image-gcp-64k-lts-24-04ubuntu-upgrade-linux-image-gcp-lts-24-04ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-6-8ubuntu-upgrade-linux-image-generic-64kubuntu-upgrade-linux-image-generic-64k-6-8ubuntu-upgrade-linux-image-generic-64k-hwe-22-04ubuntu-upgrade-linux-image-generic-64k-hwe-24-04ubuntu-upgrade-linux-image-generic-hwe-22-04ubuntu-upgrade-linux-image-generic-hwe-24-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-6-8ubuntu-upgrade-linux-image-gke-64kubuntu-upgrade-linux-image-gke-64k-6-8ubuntu-upgrade-linux-image-gkeopubuntu-upgrade-linux-image-gkeop-6-8ubuntu-upgrade-linux-image-ibmubuntu-upgrade-linux-image-ibm-6-8ubuntu-upgrade-linux-image-ibm-classicubuntu-upgrade-linux-image-ibm-lts-24-04ubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-6-11ubuntu-upgrade-linux-image-lowlatency-6-8ubuntu-upgrade-linux-image-lowlatency-64kubuntu-upgrade-linux-image-lowlatency-64k-6-11ubuntu-upgrade-linux-image-lowlatency-64k-6-8ubuntu-upgrade-linux-image-lowlatency-64k-hwe-22-04ubuntu-upgrade-linux-image-lowlatency-64k-hwe-24-04ubuntu-upgrade-linux-image-lowlatency-hwe-22-04ubuntu-upgrade-linux-image-lowlatency-hwe-24-04ubuntu-upgrade-linux-image-nvidiaubuntu-upgrade-linux-image-nvidia-6-8ubuntu-upgrade-linux-image-nvidia-64kubuntu-upgrade-linux-image-nvidia-64k-6-8ubuntu-upgrade-linux-image-nvidia-64k-hwe-22-04ubuntu-upgrade-linux-image-nvidia-hwe-22-04ubuntu-upgrade-linux-image-nvidia-lowlatencyubuntu-upgrade-linux-image-nvidia-lowlatency-6-8ubuntu-upgrade-linux-image-nvidia-lowlatency-64kubuntu-upgrade-linux-image-nvidia-lowlatency-64k-6-8ubuntu-upgrade-linux-image-oem-22-04ubuntu-upgrade-linux-image-oem-22-04aubuntu-upgrade-linux-image-oem-22-04bubuntu-upgrade-linux-image-oem-22-04cubuntu-upgrade-linux-image-oem-22-04dubuntu-upgrade-linux-image-oem-24-04bubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-6-8ubuntu-upgrade-linux-image-oracle-64kubuntu-upgrade-linux-image-oracle-64k-6-8ubuntu-upgrade-linux-image-oracle-64k-lts-24-04ubuntu-upgrade-linux-image-oracle-lts-24-04ubuntu-upgrade-linux-image-raspiubuntu-upgrade-linux-image-raspi-6-8ubuntu-upgrade-linux-image-raspi-realtimeubuntu-upgrade-linux-image-raspi-realtime-6-8ubuntu-upgrade-linux-image-realtimeubuntu-upgrade-linux-image-realtime-6-8-1ubuntu-upgrade-linux-image-realtime-hwe-22-04ubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-6-8ubuntu-upgrade-linux-image-virtual-hwe-22-04ubuntu-upgrade-linux-image-virtual-hwe-24-04 | Jun 26, 2025 | Apr 16, 2025 | |
| Vmware Photon_os | vmware-photon_os_update_tdnf | Oct 13, 2025 | Apr 16, 2025 |
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