{"id":"CVE-2026-23137","state":"PUBLISHED","title":"of: unittest: Fix memory leak in unittest_data_add()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nof: unittest: Fix memory leak in unittest_data_add()\n\nIn unittest_data_add(), if of_resolve_phandles() fails, the allocated\nunittest_data is not freed, leading to a memory leak.\n\nFix this by using scope-based cleanup helper __free(kfree) for automatic\nresource cleanup. This ensures unittest_data is automatically freed when\nit goes out of scope in error paths.\n\nFor the success path, use retain_and_null_ptr() to transfer ownership\nof the memory to the device tree and prevent double freeing.","publishedAt":"2026-02-14T15:22:22.690Z","updatedAt":"2026-10-30T12:23:44.164Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2eb46da2a760e5764c48b752a5ef320e02b96b21","status":"affected","lessThan":"4bafaec9e3a784d103ab9da11095708fcca70e76","versionType":"git"},{"version":"2eb46da2a760e5764c48b752a5ef320e02b96b21","status":"affected","lessThan":"4c7ad40c285ab85e3614433e063f14aac2e2fe17","versionType":"git"},{"version":"2eb46da2a760e5764c48b752a5ef320e02b96b21","status":"affected","lessThan":"58baf98d1bdab897fd796f39a16061bade229d71","versionType":"git"},{"version":"2eb46da2a760e5764c48b752a5ef320e02b96b21","status":"affected","lessThan":"f09b0f705bd7197863b90256ef533a6414d1db2c","versionType":"git"},{"version":"2eb46da2a760e5764c48b752a5ef320e02b96b21","status":"affected","lessThan":"235a1eb8d2dcc49a6cf0a5ee1aa85544a5d0054b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/of/unittest.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.18","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.6","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/of/unittest.c"]}],"references":["https://git.kernel.org/stable/c/4bafaec9e3a784d103ab9da11095708fcca70e76","https://git.kernel.org/stable/c/4c7ad40c285ab85e3614433e063f14aac2e2fe17","https://git.kernel.org/stable/c/58baf98d1bdab897fd796f39a16061bade229d71","https://git.kernel.org/stable/c/f09b0f705bd7197863b90256ef533a6414d1db2c","https://git.kernel.org/stable/c/235a1eb8d2dcc49a6cf0a5ee1aa85544a5d0054b"],"weaknesses":[],"ingestedAt":"2026-10-30T12:40:04.423Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23137.json","commit":"db8103c5921aac81d5d90efcf3745980dafabf49","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23137","state":"PUBLISHED","datePublished":"2026-02-14T15:22:22.690Z","dateUpdated":"2026-10-30T12:23:44.164Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.971Z"},"containers":{"cna":{"title":"of: unittest: Fix memory leak in unittest_data_add()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nof: unittest: Fix memory leak in unittest_data_add()\n\nIn unittest_data_add(), if of_resolve_phandles() fails, the allocated\nunittest_data is not freed, leading to a memory leak.\n\nFix this by using scope-based cleanup helper __free(kfree) for automatic\nresource cleanup. This ensures unittest_data is automatically freed when\nit goes out of scope in error paths.\n\nFor the success path, use retain_and_null_ptr() to transfer ownership\nof the memory to the device tree and prevent double freeing."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2eb46da2a760e5764c48b752a5ef320e02b96b21","status":"affected","lessThan":"4bafaec9e3a784d103ab9da11095708fcca70e76","versionType":"git"},{"version":"2eb46da2a760e5764c48b752a5ef320e02b96b21","status":"affected","lessThan":"4c7ad40c285ab85e3614433e063f14aac2e2fe17","versionType":"git"},{"version":"2eb46da2a760e5764c48b752a5ef320e02b96b21","status":"affected","lessThan":"58baf98d1bdab897fd796f39a16061bade229d71","versionType":"git"},{"version":"2eb46da2a760e5764c48b752a5ef320e02b96b21","status":"affected","lessThan":"f09b0f705bd7197863b90256ef533a6414d1db2c","versionType":"git"},{"version":"2eb46da2a760e5764c48b752a5ef320e02b96b21","status":"affected","lessThan":"235a1eb8d2dcc49a6cf0a5ee1aa85544a5d0054b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/of/unittest.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.18","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.6","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/of/unittest.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/4bafaec9e3a784d103ab9da11095708fcca70e76"},{"url":"https://git.kernel.org/stable/c/4c7ad40c285ab85e3614433e063f14aac2e2fe17"},{"url":"https://git.kernel.org/stable/c/58baf98d1bdab897fd796f39a16061bade229d71"},{"url":"https://git.kernel.org/stable/c/f09b0f705bd7197863b90256ef533a6414d1db2c"},{"url":"https://git.kernel.org/stable/c/235a1eb8d2dcc49a6cf0a5ee1aa85544a5d0054b"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:23:44.164Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.18.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18","versionEndExcluding":"6.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}