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CVE-2023-53609

scsi: Revert "scsi: core: Do not increase scsi_device's iorequest_cnt if dispatch failed"

High7.8EPSS 0.14%
Published
Updated
Reserved
Assigned by
Linux

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.

Timeline

  1. ID reserved

    By Linux

  2. Published

  3. · 13 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2023-53609, by who scored it
Scored byCVSSScoreVector
LinuxCNA (assigner)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Modified3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.14% · top 97% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Affected products

  • Linux · Linux

    • affected cfee29ffb45b1c9798011b19d454637d1b0fe87d – < 35fe6fa57b994e7da222893adf0bb748d6055e73
    • affected cfee29ffb45b1c9798011b19d454637d1b0fe87d – < 6ca9818d1624e136a76ae8faedb6b6c95ca66903

  • Linux · Linux

    • affected 6.2
    • unaffected < 6.2
    • unaffected 6.3.4 – ≤ 6.3.*
    • unaffected 6.4 – ≤ *

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .