In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix racy issue under cocurrent smb2 tree disconnect
There is UAF issue under cocurrent smb2 tree disconnect. This patch introduce TREE_CONN_EXPIRE flags for tcon to avoid cocurrent access.
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 | — | Upgrade linux | Sep 19, 2025 | Sep 19, 2025 |
| Ubuntu | — | Upgrade linux-lowlatency-hwe-5.15Upgrade linux-gcp-fipsUpgrade linux-nvidia-tegraUpgrade linux-riscv-5.15Upgrade linux-ibm-5.15Upgrade linux-realtimeUpgrade linux-nvidiaUpgrade linux-intel-iotgUpgrade linux-intel-iotg-5.15Upgrade linux-fipsUpgrade linux-intel-iot-realtimeUpgrade linux-kvmUpgrade linux-nvidia-tegra-igxUpgrade linux-gcp-5.15Upgrade linux-gcpUpgrade linux-xilinx-zynqmpUpgrade linux-oracleUpgrade linux-bluefieldUpgrade linux-oracle-5.15Upgrade linux-aws-5.15Upgrade linuxUpgrade linux-azure-5.15Upgrade linux-hwe-5.15Upgrade linux-ibmUpgrade linux-gkeopUpgrade linux-azure-fde-5.15Upgrade linux-raspiUpgrade linux-azure-fipsUpgrade linux-azureUpgrade linux-gkeUpgrade linux-awsUpgrade linux-nvidia-tegra-5.15Upgrade linux-lowlatencyUpgrade linux-aws-fips | Sep 26, 2025 | Sep 17, 2025 |
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