CVE-2023-53451

scsi: qla2xxx: Fix potential NULL pointer dereference

View on CVE.org

Published Oct 1, 2025 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Description

In the Linux kernel, the following vulnerability has been resolved:

scsi: qla2xxx: Fix potential NULL pointer dereference

Klocwork tool reported 'cur_dsd' may be dereferenced. Add fix to validate
pointer before dereferencing the pointer.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Linux

Linux

unaffected

Version	Status	Constraints
`a9083016a5314b3aeba6e0d2e814872e72168c08`	affected	< 02405f4023866ae91a611b5b85cb2e074ec2de5a
`a9083016a5314b3aeba6e0d2e814872e72168c08`	affected	< ee4c9a93238b9ce3703942500cb1aeacf77090d2
`a9083016a5314b3aeba6e0d2e814872e72168c08`	affected	< 4f90a8b0481615622bd0558aa8cf361bea872045
`a9083016a5314b3aeba6e0d2e814872e72168c08`	affected	< 2bea9c1c983152c5411f5a2f1113cb790ce1389d
`a9083016a5314b3aeba6e0d2e814872e72168c08`	affected	< 5a52a2e14fe866541bbc0033058e44bf0bf0c580
`a9083016a5314b3aeba6e0d2e814872e72168c08`	affected	< ce2cdbe530b0066bae1f98dbab590a232d507eaa
`a9083016a5314b3aeba6e0d2e814872e72168c08`	affected	< af7affc0f6b82a5bde430fc4f0dcf70963442fbc
`a9083016a5314b3aeba6e0d2e814872e72168c08`	affected	< 464ea494a40c6e3e0e8f91dd325408aaf21515ba

Linux

Linux

affected

Version	Status	Constraints
`2.6.35`	affected	—
`0`	unaffected	< 2.6.35
`4.14.322`	unaffected	≤ 4.14.*
`4.19.291`	unaffected	≤ 4.19.*
`5.4.251`	unaffected	≤ 5.4.*
`5.10.188`	unaffected	≤ 5.10.*
`5.15.121`	unaffected	≤ 5.15.*
`6.1.40`	unaffected	≤ 6.1.*
`6.4.5`	unaffected	≤ 6.4.*
`6.5`	unaffected	≤ *

Configuration 1 [-]

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

No data.

Vendor	Product	Versions
Linux	Linux Kernel	—

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.160% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://git.kernel.org/stable/c/02405f4023866ae91a611b5b85cb2e074ec2de5a
https://git.kernel.org/stable/c/2bea9c1c983152c5411f5a2f1113cb790ce1389d
https://git.kernel.org/stable/c/464ea494a40c6e3e0e8f91dd325408aaf21515ba
https://git.kernel.org/stable/c/4f90a8b0481615622bd0558aa8cf361bea872045
https://git.kernel.org/stable/c/5a52a2e14fe866541bbc0033058e44bf0bf0c580
https://git.kernel.org/stable/c/af7affc0f6b82a5bde430fc4f0dcf70963442fbc
https://git.kernel.org/stable/c/ce2cdbe530b0066bae1f98dbab590a232d507eaa
https://git.kernel.org/stable/c/ee4c9a93238b9ce3703942500cb1aeacf77090d2
https://lore.kernel.org/linux-cve-announce/2025100103-CVE-2023-53451-bb02@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2023-53451
https://www.cve.org/CVERecord?id=CVE-2023-53451

History

Jan 16, 2026 9:30 PM Weaknesses updated View changes

Type	Values Removed	Values Added
Weaknesses		CWE-476

Jan 5, 2026 10:45 AM Affected versions updated View changes

Type	Values Removed	Values Added
CPEs		cpe:2.3:o:linux:linux_kernel::::::::

Oct 2, 2025 12:15 PM Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
References		https://lore.kernel.org/linux-cve-announce/2025100103-CVE-2023-53451-bb02@gregkh/T https://nvd.nist.gov/vuln/detail/CVE-2023-53451 https://www.cve.org/CVERecord?id=CVE-2023-53451
Metrics	threat_severity `None`	cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}` threat_severity `Low`

Oct 2, 2025 9:00 AM First appearance in the feed. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Linux Linux linux Kernel
Vendors & Products		Linux Linux linux Kernel

Oct 1, 2025 12:00 PM Description updated. Title updated. Added references View changes

Type	Values Removed	Values Added
Description		In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix potential NULL pointer dereference Klocwork tool reported 'cur_dsd' may be dereferenced. Add fix to validate pointer before dereferencing the pointer.
Title		scsi: qla2xxx: Fix potential NULL pointer dereference
References		https://git.kernel.org/stable/c/02405f4023866ae91a611b5b85cb2e074ec2de5a https://git.kernel.org/stable/c/2bea9c1c983152c5411f5a2f1113cb790ce1389d https://git.kernel.org/stable/c/464ea494a40c6e3e0e8f91dd325408aaf21515ba https://git.kernel.org/stable/c/4f90a8b0481615622bd0558aa8cf361bea872045 https://git.kernel.org/stable/c/5a52a2e14fe866541bbc0033058e44bf0bf0c580 https://git.kernel.org/stable/c/af7affc0f6b82a5bde430fc4f0dcf70963442fbc https://git.kernel.org/stable/c/ce2cdbe530b0066bae1f98dbab590a232d507eaa https://git.kernel.org/stable/c/ee4c9a93238b9ce3703942500cb1aeacf77090d2

Subscriptions

Linux Linux Kernel

Weaknesses

CWE-476

Sources

CVE record Updated: May 11, 2026, 7:45 PM

Status: PUBLISHED
Assigner: Linux
Published: Oct 1, 2025, 11:42 AM
Updated: May 11, 2026, 7:45 PM
Reserved: Sep 17, 2025, 2:54 PM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 6:45 AM

Status: Analyzed
Published: Oct 1, 2025, 12:15 PM
Modified: Jun 17, 2026, 6:45 AM

View source JSON

Red Hat Updated: Oct 1, 2025, 12:00 AM

Severity: Low
Public date: Oct 1, 2025, 12:00 AM

View source Bugzilla JSON

OpenCVE enrichment Updated: Oct 2, 2025, 8:39 AM

Updated: Oct 2, 2025, 8:39 AM

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