CVE-2025-68374

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-68374", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-16T14:48:05.310Z", "datePublished": "2025-12-24T10:33:04.046Z", "dateUpdated": "2026-10-21T12:38:20.382Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:38:20.382Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd: fix rcu protection in md_wakeup_thread\n\nWe attempted to use RCU to protect the pointer 'thread', but directly\npassed the value when calling md_wakeup_thread(). This means that the\nRCU pointer has been acquired before rcu_read_lock(), which renders\nrcu_read_lock() ineffective and could lead to a use-after-free."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/md/md.c", "drivers/md/md.h"], "versions": [{"version": "4469315439827290923fce4f3f672599cabeb366", "lessThan": "dc6d1249ee35c1c76700b4b96281daeb7637bce1", "status": "affected", "versionType": "git"}, {"version": "4469315439827290923fce4f3f672599cabeb366", "lessThan": "21989cb5034c835b212385a2afadf279d8069da0", "status": "affected", "versionType": "git"}, {"version": "4469315439827290923fce4f3f672599cabeb366", "lessThan": "a4bd1caf591faeae44cb10b6517e7dacb5139bda", "status": "affected", "versionType": "git"}, {"version": "4469315439827290923fce4f3f672599cabeb366", "lessThan": "f98b191f78124405294481dea85f8a22a3eb0a59", "status": "affected", "versionType": "git"}, {"version": "4469315439827290923fce4f3f672599cabeb366", "lessThan": "0dc76205549b4c25705e54345f211b9f66e018a0", "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/md.c", "drivers/md/md.h"], "versions": [{"version": "6.5", "status": "affected"}, {"version": "0", "lessThan": "6.5", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.63", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.13", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.2", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19", "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": "6.5", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.12.63"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.17.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.18.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/dc6d1249ee35c1c76700b4b96281daeb7637bce1"}, {"url": "https://git.kernel.org/stable/c/21989cb5034c835b212385a2afadf279d8069da0"}, {"url": "https://git.kernel.org/stable/c/a4bd1caf591faeae44cb10b6517e7dacb5139bda"}, {"url": "https://git.kernel.org/stable/c/f98b191f78124405294481dea85f8a22a3eb0a59"}, {"url": "https://git.kernel.org/stable/c/0dc76205549b4c25705e54345f211b9f66e018a0"}], "title": "md: fix rcu protection in md_wakeup_thread", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/md/md.c", "drivers/md/md.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "dc6d1249ee35c1c76700b4b96281daeb7637bce1", "status": "affected", "version": "4469315439827290923fce4f3f672599cabeb366", "versionType": "git"}, {"lessThan": "21989cb5034c835b212385a2afadf279d8069da0", "status": "affected", "version": "4469315439827290923fce4f3f672599cabeb366", "versionType": "git"}, {"lessThan": "a4bd1caf591faeae44cb10b6517e7dacb5139bda", "status": "affected", "version": "4469315439827290923fce4f3f672599cabeb366", "versionType": "git"}, {"lessThan": "f98b191f78124405294481dea85f8a22a3eb0a59", "status": "affected", "version": "4469315439827290923fce4f3f672599cabeb366", "versionType": "git"}, {"lessThan": "0dc76205549b4c25705e54345f211b9f66e018a0", "status": "affected", "version": "4469315439827290923fce4f3f672599cabeb366", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/md/md.c", "drivers/md/md.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.5"}, {"lessThan": "6.5", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.63", "versionType": "semver"}, {"lessThanOrEqual": "6.17.*", "status": "unaffected", "version": "6.17.13", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.2", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.19", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd: fix rcu protection in md_wakeup_thread\n\nWe attempted to use RCU to protect the pointer 'thread', but directly\npassed the value when calling md_wakeup_thread(). This means that the\nRCU pointer has been acquired before rcu_read_lock(), which renders\nrcu_read_lock() ineffective and could lead to a use-after-free."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nmd: corregir la protecci\u00f3n RCU en md_wakeup_thread\n\nIntentamos usar RCU para proteger el puntero 'thread', pero pasamos directamente el valor al llamar a md_wakeup_thread(). Esto significa que el puntero RCU ha sido adquirido antes de rcu_read_lock(), lo que hace que rcu_read_lock() sea ineficaz y podr\u00eda conducir a un uso despu\u00e9s de liberaci\u00f3n."}], "id": "CVE-2025-68374", "lastModified": "2026-10-21T13:18:23.390", "metrics": {}, "published": "2025-12-24T11:16:00.993", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0dc76205549b4c25705e54345f211b9f66e018a0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/21989cb5034c835b212385a2afadf279d8069da0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a4bd1caf591faeae44cb10b6517e7dacb5139bda"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dc6d1249ee35c1c76700b4b96281daeb7637bce1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f98b191f78124405294481dea85f8a22a3eb0a59"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: md: fix rcu protection in md_wakeup_thread", "id": "2424898", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2424898"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-68374", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-68374\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-68374\nhttps://lore.kernel.org/linux-cve-announce/2025122402-CVE-2025-68374-560c@gregkh/T"], "threat_severity": "Low"}

{}