CVE-2023-53609

High

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: Revert "scsi: core: Do not increase scsi_device's iorequest_cnt if dispatch failed" The "atomic_inc(&cmd->device->iorequest_cnt)" in scsi_queue_rq() would cause kernel panic because cmd->device may be freed after returning from scsi_dispatch_cmd(). This reverts commit cfee29ffb45b1c9798011b19d454637d1b0fe87d.

SeverityHigh
CVSS7.8
Exploit probability—
ProductLinux Kernel
PublishedOct 4, 2025
First seenOct 4, 2025

How to fix

Update
  • linux linux_kernel6.3.4 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel6.2 ≤ v < 6.3.4, 6.46.3.4

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CVE-2023-53609 · Linux Kernel · Dark Radar