CVE-2023-53609

MEDIUM EPSS 1.9%
Published Oct 4, 20258mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Oct 4, 2025 8mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
1.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 3

VendorProductVersionRange
linuxlinux_kernel*≥6.2  –  <6.3.4
linuxlinux_kernel6.4any
linuxlinux_kernel6.4any

References 2

  • git.kernel.org https://git.kernel.org/stable/c/35fe6fa57b994e7da222893adf0bb748d6055e73
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6ca9818d1624e136a76ae8faedb6b6c95ca66903
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/35fe6fa57b994e7da222893adf0bb748d6055e73
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6ca9818d1624e136a76ae8faedb6b6c95ca66903
    Patch