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Description

In the Linux kernel, the following vulnerability has been resolved: of: unittest: Fix memory leak in unittest_data_add() In unittest_data_add(), if of_resolve_phandles() fails, the allocated unittest_data is not freed, leading to a memory leak. Fix this by using scope-based cleanup helper __free(kfree) for automatic resource cleanup. This ensures unittest_data is automatically freed when it goes out of scope in error paths. For the success path, use retain_and_null_ptr() to transfer ownership of the memory to the device tree and prevent double freeing.

PUBLISHED Reserved 2026-01-13 | Published 2026-02-14 | Updated 2026-02-14 | Assigner Linux

Product status

Default status
unaffected

2eb46da2a760e5764c48b752a5ef320e02b96b21 (git) before f09b0f705bd7197863b90256ef533a6414d1db2c
affected

2eb46da2a760e5764c48b752a5ef320e02b96b21 (git) before 235a1eb8d2dcc49a6cf0a5ee1aa85544a5d0054b
affected

Default status
affected

3.18
affected

Any version before 3.18
unaffected

6.18.6 (semver)
unaffected

6.19 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/f09b0f705bd7197863b90256ef533a6414d1db2c

git.kernel.org/...c/235a1eb8d2dcc49a6cf0a5ee1aa85544a5d0054b

cve.org (CVE-2026-23137)

nvd.nist.gov (CVE-2026-23137)

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