High 7.8Published Dec 24, 2025

CVE-2023-54100scsi: qedi: Fix use after free bug in qedi_remove()

Updated under an hour ago (Oct 27, 2026, 9:40 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: scsi: qedi: Fix use after free bug in qedi_remove() In qedi_probe() we call __qedi_probe() which initializes &qedi->recovery_work with qedi_recovery_handler() and &qedi->board_disable_work with qedi_board_disable_work(). When qedi_schedule_recovery_handler() is called, schedule_delayed_work() will finally start the work. In qedi_remove(), which is called to remove the driver, the following sequence may be observed: Fix this by finishing the work before cleanup in qedi_remove(). CPU0 CPU1 |qedi_recovery_handler qedi_remove | __qedi_remove | iscsi_host_free | scsi_host_put | //free shost | |iscsi_host_for_each_session |//use qedi->shost Cancel recovery_work and board_disable_work in __qedi_remove().

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Deferred
Record last updated: Aug 5, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 4b1068f5d74b6cc92319bd7eba40809b1222e73f before fa19c533ab19161298f0780bcc6523af88f6fd20; from 4b1068f5d74b6cc92319bd7eba40809b1222e73f before 5e756a59cee6a8a79b9059c5bdf0ecbf5bb8d151; from 4b1068f5d74b6cc92319bd7eba40809b1222e73f before 3738a230831e861503119ee2691c4a7dc56ed60a; from 4b1068f5d74b6cc92319bd7eba40809b1222e73f before 89f6023fc321c958a0fb11f143a6eb4544ae3940; from 4b1068f5d74b6cc92319bd7eba40809b1222e73f before 124027cd1a624ce0347adcd59241a9966a726b22; from 4b1068f5d74b6cc92319bd7eba40809b1222e73f before c5749639f2d0a1f6cbe187d05f70c2e7c544d748	CNA record

References

References

https://git.kernel.org/stable/c/fa19c533ab19161298f0780bcc6523af88f6fd20
https://git.kernel.org/stable/c/5e756a59cee6a8a79b9059c5bdf0ecbf5bb8d151
https://git.kernel.org/stable/c/3738a230831e861503119ee2691c4a7dc56ed60a
https://git.kernel.org/stable/c/89f6023fc321c958a0fb11f143a6eb4544ae3940
https://git.kernel.org/stable/c/124027cd1a624ce0347adcd59241a9966a726b22
https://git.kernel.org/stable/c/c5749639f2d0a1f6cbe187d05f70c2e7c544d748

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.