{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45888", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.082Z", "datePublished": "2026-05-27T12:16:59.751Z", "dateUpdated": "2026-05-27T12:16:59.751Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T12:16:59.751Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid1: fix memory leak in raid1_run()\n\nraid1_run() calls setup_conf() which registers a thread via\nmd_register_thread(). If raid1_set_limits() fails, the previously\nregistered thread is not unregistered, resulting in a memory leak\nof the md_thread structure and the thread resource itself.\n\nAdd md_unregister_thread() to the error path to properly cleanup\nthe thread, which aligns with the error handling logic of other paths\nin this function.\n\nCompile tested only. Issue found using a prototype static analysis tool\nand code review."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/md/raid1.c"], "versions": [{"version": "97894f7d3c2966164516a8a5109674763d3a55e1", "lessThan": "c94fd6e8a71efd047ff36930e840f3c25679e136", "status": "affected", "versionType": "git"}, {"version": "97894f7d3c2966164516a8a5109674763d3a55e1", "lessThan": "ec10e3dc93994b87adf7c759a4639fe34013989a", "status": "affected", "versionType": "git"}, {"version": "97894f7d3c2966164516a8a5109674763d3a55e1", "lessThan": "b37588b0282a2b3cdda9db1d53712745ce66dea0", "status": "affected", "versionType": "git"}, {"version": "97894f7d3c2966164516a8a5109674763d3a55e1", "lessThan": "6abc7d5dcf0ee0f85e16e41c87fbd06231f28753", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/md/raid1.c"], "versions": [{"version": "6.9", "status": "affected"}, {"version": "0", "lessThan": "6.9", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.14", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.4", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.18.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.19.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c94fd6e8a71efd047ff36930e840f3c25679e136"}, {"url": "https://git.kernel.org/stable/c/ec10e3dc93994b87adf7c759a4639fe34013989a"}, {"url": "https://git.kernel.org/stable/c/b37588b0282a2b3cdda9db1d53712745ce66dea0"}, {"url": "https://git.kernel.org/stable/c/6abc7d5dcf0ee0f85e16e41c87fbd06231f28753"}], "title": "md/raid1: fix memory leak in raid1_run()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid1: fix memory leak in raid1_run()\n\nraid1_run() calls setup_conf() which registers a thread via\nmd_register_thread(). If raid1_set_limits() fails, the previously\nregistered thread is not unregistered, resulting in a memory leak\nof the md_thread structure and the thread resource itself.\n\nAdd md_unregister_thread() to the error path to properly cleanup\nthe thread, which aligns with the error handling logic of other paths\nin this function.\n\nCompile tested only. Issue found using a prototype static analysis tool\nand code review."}], "id": "CVE-2026-45888", "lastModified": "2026-05-27T14:48:31.480", "metrics": {}, "published": "2026-05-27T14:17:02.813", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6abc7d5dcf0ee0f85e16e41c87fbd06231f28753"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b37588b0282a2b3cdda9db1d53712745ce66dea0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c94fd6e8a71efd047ff36930e840f3c25679e136"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ec10e3dc93994b87adf7c759a4639fe34013989a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{}

{}