cxl/region: Fix leakage in __construct_region()

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Summary

CVECVE-2026-31529
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-22 14:16:53 UTC
Updated2026-04-22 14:16:53 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: cxl/region: Fix leakage in __construct_region() Failing the first sysfs_update_group() needs to explicitly kfree the resource as it is too early for cxl_region_iomem_release() to do so.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected d6602e25819dea2c239972e98e09ba5db4aebd22 f1b4741adf08b0063291ec1b0dfa9c3d55644933 git Not specified
CNA Linux Linux affected d6602e25819dea2c239972e98e09ba5db4aebd22 77b310bb7b5ff8c017524df83292e0242ba89791 git Not specified
CNA Linux Linux affected 6.19 Not specified
CNA Linux Linux unaffected 6.19 semver Not specified
CNA Linux Linux unaffected 6.19.11 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/f1b4741adf08b0063291ec1b0dfa9c3d55644933 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/77b310bb7b5ff8c017524df83292e0242ba89791 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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