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

bnxt: avoid overflow in bnxt_get_nvram_directory()

The value of an arithmetic expression is subject
of possible overflow due to a failure to cast operands to a larger data
type before performing arithmetic. Used macro for multiplication instead
operator for avoiding overflow.

Found by Security Code and Linux Verification
Center (linuxtesting.org) with SVACE.

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.

The EPSS score is 0.00026.

Key SSVC decision points have not yet been added.

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
c0c050c58d840994ba842ad1c338a98e7c12b764 affected < d5eaf2a6b077f32a477feb1e9e1c1f60605b460e
c0c050c58d840994ba842ad1c338a98e7c12b764 affected < efb1a257513438d43f4335f09b2f684e8167cad2
c0c050c58d840994ba842ad1c338a98e7c12b764 affected < 17e0453a7523ad7a25bb47af941b150a6c66d7b6
c0c050c58d840994ba842ad1c338a98e7c12b764 affected < 7c6dddc239abe660598c49ec95ea0ed6399a4b2a
Linux Linux affected
Version Status Constraints
4.4 affected —
0 unaffected < 4.4
5.15.113 unaffected ≤ 5.15.*
6.1.30 unaffected ≤ 6.1.*
6.3.4 unaffected ≤ 6.3.*
6.4 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:*:*:*:*:*:*:*:*

No data.

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/17e0453a7523ad7a25bb47af941b150a6c66d7b6 cve-icon cve-icon
https://git.kernel.org/stable/c/7c6dddc239abe660598c49ec95ea0ed6399a4b2a cve-icon cve-icon
https://git.kernel.org/stable/c/d5eaf2a6b077f32a477feb1e9e1c1f60605b460e cve-icon cve-icon
https://git.kernel.org/stable/c/efb1a257513438d43f4335f09b2f684e8167cad2 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025100702-CVE-2023-53661-6142@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2023-53661 cve-icon
https://www.cve.org/CVERecord?id=CVE-2023-53661 cve-icon
History

Tue, 03 Feb 2026 20:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-190
Metrics cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

 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'}

Mon, 05 Jan 2026 10:45:00 +0000

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

Wed, 08 Oct 2025 13:45:00 +0000

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

Wed, 08 Oct 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

threat_severity

Important

Tue, 07 Oct 2025 15:30:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: bnxt: avoid overflow in bnxt_get_nvram_directory() The value of an arithmetic expression is subject of possible overflow due to a failure to cast operands to a larger data type before performing arithmetic. Used macro for multiplication instead operator for avoiding overflow. Found by Security Code and Linux Verification Center (linuxtesting.org) with SVACE.
Title bnxt: avoid overflow in bnxt_get_nvram_directory()
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-01-05T10:21:44.209Z

Reserved: 2025-10-07T15:16:59.662Z

Link: CVE-2023-53661

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2025-10-07T16:15:49.810

Modified: 2026-02-03T19:55:25.580

Link: CVE-2023-53661

cve-icon Redhat

Severity : Important

Publid Date: 2025-10-07T00:00:00Z

Links: CVE-2023-53661 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-10-08T13:36:58Z

Weaknesses