nvmem: core: fix use-after-free bugs in error paths

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-53156
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-25 09:16:32 UTC
Updated2026-07-06 16:41:14 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: nvmem: core: fix use-after-free bugs in error paths Fix several instances of error paths in which we call __nvmem_device_put() - which may end up freeing the underlying memory and other resources - and then keep on using the nvmem structure. Always put the reference to the nvmem device as the last step before returning the error code.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

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

EPSS: 0.001680000 probability, percentile 0.063720000 (date 2026-07-04)

Problem Types: CWE-416

CVSS v3.1 Breakdown

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

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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 e888d445ac33a5b0288d670ecd970908b13f07cd e0d38bf47a72da2f02c9fa6f752cd66d977cd7f7 git Not specified
CNA Linux Linux affected e888d445ac33a5b0288d670ecd970908b13f07cd cb85ef5a227b3662b88f4d849a1aad43bfe7f5ae git Not specified
CNA Linux Linux affected e888d445ac33a5b0288d670ecd970908b13f07cd 40e2a459c0dd1333b2343831480a0ad80dc07614 git Not specified
CNA Linux Linux affected e888d445ac33a5b0288d670ecd970908b13f07cd 5b6b6fc491899d583eaa75344e094796ae9b530b git Not specified
CNA Linux Linux affected 4.20 Not specified
CNA Linux Linux unaffected 4.20 semver Not specified
CNA Linux Linux unaffected 6.12.94 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.36 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.13 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/e0d38bf47a72da2f02c9fa6f752cd66d977cd7f7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/cb85ef5a227b3662b88f4d849a1aad43bfe7f5ae 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/5b6b6fc491899d583eaa75344e094796ae9b530b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/40e2a459c0dd1333b2343831480a0ad80dc07614 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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