soc: microchip: mpfs: Fix memory leak in mpfs_sys_controller_probe()

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Summary

CVECVE-2026-23464
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-03 16:16:33 UTC
Updated2026-04-07 13:20:55 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: soc: microchip: mpfs: Fix memory leak in mpfs_sys_controller_probe() In mpfs_sys_controller_probe(), if of_get_mtd_device_by_node() fails, the function returns immediately without freeing the allocated memory for sys_controller, leading to a memory leak. Fix this by jumping to the out_free label to ensure the memory is properly freed. Also, consolidate the error handling for the mbox_request_channel() failure case to use the same label.

Risk And Classification

EPSS: 0.000180000 probability, percentile 0.044270000 (date 2026-04-07)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 742aa6c563d29c367edbf0ef7236a7a853ed9be4 da4b44c42f40501db35f5d0a6243708a061490a0 git Not specified
CNA Linux Linux affected 742aa6c563d29c367edbf0ef7236a7a853ed9be4 e3dd5cffba07de6574165a72851471cd42cc6d15 git Not specified
CNA Linux Linux affected 742aa6c563d29c367edbf0ef7236a7a853ed9be4 17c84fb7cf3971cc621646185d785670e9530ca1 git Not specified
CNA Linux Linux affected 742aa6c563d29c367edbf0ef7236a7a853ed9be4 5a741f8cc6fe62542f955cd8d24933a1b6589cbd git Not specified
CNA Linux Linux affected 6.8 Not specified
CNA Linux Linux unaffected 6.8 semver Not specified
CNA Linux Linux unaffected 6.12.78 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.20 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.10 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0-rc5 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/17c84fb7cf3971cc621646185d785670e9530ca1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e3dd5cffba07de6574165a72851471cd42cc6d15 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/da4b44c42f40501db35f5d0a6243708a061490a0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/5a741f8cc6fe62542f955cd8d24933a1b6589cbd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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