CVE-2023-53661

bnxt: avoid overflow in bnxt_get_nvram_directory()

MEDIUM
5.5
CVSS Score
Published: October 7, 2025 at 03:21 PM UTC
Updated: October 28, 2026 at 08:10 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.4 ≤ v < 5.15.1135.16 ≤ v < 6.1.306.2 ≤ v < 6.3.44.4c0c050c58d840994ba842ad1c338a98e7c12b764
Vendor states this is fixed in 17e0453a7523ad7a25bb47af941b150a6c66d7b6 (fixed)
Vendor states this is fixed in 7c6dddc239abe660598c49ec95ea0ed6399a4b2a (fixed)
Vendor states this is fixed in d5eaf2a6b077f32a477feb1e9e1c1f60605b460e (fixed)
Vendor states this is fixed in efb1a257513438d43f4335f09b2f684e8167cad2 (fixed)
Vendor states this is fixed in 4.4 (unaffected)
Vendor states this is fixed in 5.15.113 (unaffected)
Vendor states this is fixed in 6.1.30 (unaffected)
Vendor states this is fixed in 6.3.4 (unaffected)
Vendor states this is fixed in 6.4 (unaffected)

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-190

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