gpib: Fix memory leak in ni_usb_init()

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-45939
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-27 14:17:10 UTC
Updated2026-06-24 17:09:37 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: gpib: Fix memory leak in ni_usb_init() In ni_usb_init(), if ni_usb_setup_init() fails, the function returns -EFAULT without freeing the allocated writes buffer, leading to a memory leak. Additionally, ni_usb_setup_init() returns 0 on failure, which causes ni_usb_init() to return -EFAULT, an inappropriate error code for this situation. Fix the leak by freeing writes in the error path. Modify ni_usb_setup_init() to return -EINVAL on failure and propagate this error code in ni_usb_init().

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.000170000 probability, percentile 0.042650000 (date 2026-06-01)

Problem Types: CWE-401

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 4e127de14fa78bcd98c6459b0b984b8266cd0203 9c97fcfb7a62dea893104a046d544da8ac23370b git Not specified
CNA Linux Linux affected 4e127de14fa78bcd98c6459b0b984b8266cd0203 c899d4b62c0757a280831e89c1f3801b597e8f38 git Not specified
CNA Linux Linux affected 4e127de14fa78bcd98c6459b0b984b8266cd0203 b89921eed8cf2d97250bac4be38dbcfbf048b586 git Not specified
CNA Linux Linux affected 6.13 Not specified
CNA Linux Linux unaffected 6.13 semver Not specified
CNA Linux Linux unaffected 6.18.14 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.4 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/9c97fcfb7a62dea893104a046d544da8ac23370b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/b89921eed8cf2d97250bac4be38dbcfbf048b586 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/c899d4b62c0757a280831e89c1f3801b597e8f38 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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