Name: CVE-2023-32256: Race Condition During Access to Alternate Channel
Creator: Rapid7
Published: 2025-08-01T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2023-32256, CWE-421, CVSS 7.5, EPSS 0.00615

A flaw was found in the Linux kernel's ksmbd component. A race condition between smb2 close operation and logoff in multichannel connections could result in a use-after-free issue.

CVSS Details

CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade linux	Aug 4, 2025	Aug 4, 2025
Ubuntu	—	Upgrade linux-gcp-fipsUpgrade linux-nvidia-tegra-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-awsUpgrade linux-bluefieldUpgrade linuxUpgrade linux-azureUpgrade linux-raspiUpgrade linux-hwe-5.15Upgrade linux-ibm-5.15Upgrade linux-nvidia-tegraUpgrade linux-lowlatencyUpgrade linux-azure-fdeUpgrade linux-aws-fipsUpgrade linux-ibmUpgrade linux-nvidia-tegra-igxUpgrade linux-kvmUpgrade linux-fipsUpgrade linux-nvidiaUpgrade linux-gcp-5.15Upgrade linux-realtimeUpgrade linux-xilinx-zynqmpUpgrade linux-gkeopUpgrade linux-aws-5.15Upgrade linux-azure-fipsUpgrade linux-oracle-5.15Upgrade linux-gcpUpgrade linux-intel-iotg-5.15Upgrade linux-intel-iotgUpgrade linux-oracleUpgrade linux-intel-iot-realtimeUpgrade linux-azure-5.15Upgrade linux-riscv-5.15Upgrade linux-gke	Aug 7, 2025	Aug 1, 2025

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CVSS Details

Covered by Rapid7

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