net: airoha: Fix memory leak in airoha_qdma_rx_process()

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Summary

CVECVE-2026-43102
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-06 10:16:23 UTC
Updated2026-05-11 17:34:42 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: net: airoha: Fix memory leak in airoha_qdma_rx_process() If an error occurs on the subsequents buffers belonging to the non-linear part of the skb (e.g. due to an error in the payload length reported by the NIC or if we consumed all the available fragments for the skb), the page_pool fragment will not be linked to the skb so it will not return to the pool in the airoha_qdma_rx_process() error path. Fix the memory leak partially reverting commit 'd6d2b0e1538d ("net: airoha: Fix page recycling in airoha_qdma_rx_process()")' and always running page_pool_put_full_page routine in the airoha_qdma_rx_process() error path.

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

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 d6d2b0e1538d5c381ec0ca95afaf772c096ea5dc 4429b761874fb9c7767d12d98913a467ef2654f1 git Not specified
CNA Linux Linux affected d6d2b0e1538d5c381ec0ca95afaf772c096ea5dc 7ee0063fbab8aea8f4e4e3165f541bf898b77b80 git Not specified
CNA Linux Linux affected d6d2b0e1538d5c381ec0ca95afaf772c096ea5dc 285fa6b1e03cff78ead0383e1b259c44b95faf90 git Not specified
CNA Linux Linux affected 6.15 Not specified
CNA Linux Linux unaffected 6.15 semver Not specified
CNA Linux Linux unaffected 6.18.24 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.14 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/4429b761874fb9c7767d12d98913a467ef2654f1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/7ee0063fbab8aea8f4e4e3165f541bf898b77b80 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/285fa6b1e03cff78ead0383e1b259c44b95faf90 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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