CVE-2024-50028

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-50028", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T12:17:06.066Z", "datePublished": "2024-10-21T19:39:31.809Z", "dateUpdated": "2026-08-05T11:41:04.376Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T11:41:04.376Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nthermal: core: Reference count the zone in thermal_zone_get_by_id()\n\nThere are places in the thermal netlink code where nothing prevents\nthe thermal zone object from going away while being accessed after it\nhas been returned by thermal_zone_get_by_id().\n\nTo address this, make thermal_zone_get_by_id() get a reference on the\nthermal zone device object to be returned with the help of get_device(),\nunder thermal_list_lock, and adjust all of its callers to this change\nwith the help of the cleanup.h infrastructure."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The vulnerable handlers are reached through the thermal generic-netlink family via a local AF_NETLINK socket, not from any remote peer. Per kernel scoring guidance, netlink-reachable code is Local.\nAC:L - The attacker fully controls and can continuously repeat the read side (unlimited TZ_GET_TEMP/TRIP/GOV requests from many threads), and the free side leaves a very wide window (list_del under thermal_list_lock, then cancel_delayed_work_sync, device_del and wait_for_completion before kfree), so a zone teardown from any routine event (driver/module removal, device hot-unplug, power-supply/charger removal, CPU hotplug or suspend/resume) is reliably won; the stale pointer can also be held across preemption.\nPR:L - The thermal genl ops carry no GENL_ADMIN_PERM or GENL_UNS_ADMIN_PERM flag, so genl_family_rcv_msg() applies no capability check \u2014 any unprivileged local user can open NETLINK_GENERIC and issue these commands with an arbitrary zone id.\nUI:N - Exploitation is entirely driven by the attacker's own netlink requests plus a concurrent zone teardown; no victim action is needed at any point.\nS:U - The use-after-free corrupts kernel heap memory within the same kernel security authority, with no crossing of a VM, IOMMU, or sandbox boundary.\nC:H - Contents of the freed thermal_zone_device are copied directly back to the attacker in the netlink reply \u2014 trip temperatures/types, the governor name via a stale tz->governor pointer dereference, and a trip loop bounded by num_trips read from freed memory, giving an effectively unbounded heap read primitive after reclaim.\nI:H - The handlers write into the freed object (mutex_lock on tz->lock) and, in the GET_TEMP path, make an indirect call through tz->ops.get_temp read out of freed slab memory, which after a heap spray yields attacker-controlled control-flow hijack and arbitrary kernel modification.\nA:H - Even unweaponized, dereferencing and locking the freed thermal zone (and calling a stale ops pointer) causes memory corruption and kernel oops/panic, repeatable at will by an unprivileged process."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/thermal/thermal_core.c", "drivers/thermal/thermal_core.h", "drivers/thermal/thermal_netlink.c"], "versions": [{"version": "1ce50e7d408ef2bdc8ca021363fd46d1b8bfad00", "lessThan": "c95538b286efc6109c987e97a051bc7844ede802", "status": "affected", "versionType": "git"}, {"version": "1ce50e7d408ef2bdc8ca021363fd46d1b8bfad00", "lessThan": "a42a5839f400e929c489bb1b58f54596c4535167", "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/thermal/thermal_core.c", "drivers/thermal/thermal_core.h", "drivers/thermal/thermal_netlink.c"], "versions": [{"version": "5.9", "status": "affected"}, {"version": "0", "lessThan": "5.9", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.4", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12", "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": "5.9", "versionEndExcluding": "6.11.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "6.12"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c95538b286efc6109c987e97a051bc7844ede802"}, {"url": "https://git.kernel.org/stable/c/a42a5839f400e929c489bb1b58f54596c4535167"}], "title": "thermal: core: Reference count the zone in thermal_zone_get_by_id()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-50028", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-10-22T13:26:28.280587Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-22T13:28:46.203Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-50028", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-10-22T13:26:28.280587Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-22T13:26:31.893Z"}}], "cna": {"title": "thermal: core: Reference count the zone in thermal_zone_get_by_id()", "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 7.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}, "scenarios": [{"lang": "en", "value": "AV:L - The vulnerable handlers are reached through the thermal generic-netlink family via a local AF_NETLINK socket, not from any remote peer. Per kernel scoring guidance, netlink-reachable code is Local.\nAC:L - The attacker fully controls and can continuously repeat the read side (unlimited TZ_GET_TEMP/TRIP/GOV requests from many threads), and the free side leaves a very wide window (list_del under thermal_list_lock, then cancel_delayed_work_sync, device_del and wait_for_completion before kfree), so a zone teardown from any routine event (driver/module removal, device hot-unplug, power-supply/charger removal, CPU hotplug or suspend/resume) is reliably won; the stale pointer can also be held across preemption.\nPR:L - The thermal genl ops carry no GENL_ADMIN_PERM or GENL_UNS_ADMIN_PERM flag, so genl_family_rcv_msg() applies no capability check \u2014 any unprivileged local user can open NETLINK_GENERIC and issue these commands with an arbitrary zone id.\nUI:N - Exploitation is entirely driven by the attacker's own netlink requests plus a concurrent zone teardown; no victim action is needed at any point.\nS:U - The use-after-free corrupts kernel heap memory within the same kernel security authority, with no crossing of a VM, IOMMU, or sandbox boundary.\nC:H - Contents of the freed thermal_zone_device are copied directly back to the attacker in the netlink reply \u2014 trip temperatures/types, the governor name via a stale tz->governor pointer dereference, and a trip loop bounded by num_trips read from freed memory, giving an effectively unbounded heap read primitive after reclaim.\nI:H - The handlers write into the freed object (mutex_lock on tz->lock) and, in the GET_TEMP path, make an indirect call through tz->ops.get_temp read out of freed slab memory, which after a heap spray yields attacker-controlled control-flow hijack and arbitrary kernel modification.\nA:H - Even unweaponized, dereferencing and locking the freed thermal zone (and calling a stale ops pointer) causes memory corruption and kernel oops/panic, repeatable at will by an unprivileged process."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "1ce50e7d408ef2bdc8ca021363fd46d1b8bfad00", "lessThan": "c95538b286efc6109c987e97a051bc7844ede802", "versionType": "git"}, {"status": "affected", "version": "1ce50e7d408ef2bdc8ca021363fd46d1b8bfad00", "lessThan": "a42a5839f400e929c489bb1b58f54596c4535167", "versionType": "git"}], "programFiles": ["drivers/thermal/thermal_core.c", "drivers/thermal/thermal_core.h", "drivers/thermal/thermal_netlink.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.9"}, {"status": "unaffected", "version": "0", "lessThan": "5.9", "versionType": "semver"}, {"status": "unaffected", "version": "6.11.4", "versionType": "semver", "lessThanOrEqual": "6.11.*"}, {"status": "unaffected", "version": "6.12", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/thermal/thermal_core.c", "drivers/thermal/thermal_core.h", "drivers/thermal/thermal_netlink.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/c95538b286efc6109c987e97a051bc7844ede802"}, {"url": "https://git.kernel.org/stable/c/a42a5839f400e929c489bb1b58f54596c4535167"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nthermal: core: Reference count the zone in thermal_zone_get_by_id()\n\nThere are places in the thermal netlink code where nothing prevents\nthe thermal zone object from going away while being accessed after it\nhas been returned by thermal_zone_get_by_id().\n\nTo address this, make thermal_zone_get_by_id() get a reference on the\nthermal zone device object to be returned with the help of get_device(),\nunder thermal_list_lock, and adjust all of its callers to this change\nwith the help of the cleanup.h infrastructure."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.11.4", "versionStartIncluding": "5.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12", "versionStartIncluding": "5.9"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T11:41:04.376Z"}}}, "cveMetadata": {"cveId": "CVE-2024-50028", "state": "PUBLISHED", "dateUpdated": "2026-08-05T11:41:04.376Z", "dateReserved": "2024-10-21T12:17:06.066Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-10-21T19:39:31.809Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/thermal/thermal_core.c", "drivers/thermal/thermal_core.h", "drivers/thermal/thermal_netlink.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "c95538b286efc6109c987e97a051bc7844ede802", "status": "affected", "version": "1ce50e7d408ef2bdc8ca021363fd46d1b8bfad00", "versionType": "git"}, {"lessThan": "a42a5839f400e929c489bb1b58f54596c4535167", "status": "affected", "version": "1ce50e7d408ef2bdc8ca021363fd46d1b8bfad00", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/thermal/thermal_core.c", "drivers/thermal/thermal_core.h", "drivers/thermal/thermal_netlink.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.9"}, {"lessThan": "5.9", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.11.*", "status": "unaffected", "version": "6.11.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.12", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E7C7402D-CBDE-4B07-833D-4B8DC6E5C230", "versionEndExcluding": "6.11.4", "versionStartIncluding": "5.9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*", "matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*", "matchCriteriaId": "925478D0-3E3D-4E6F-ACD5-09F28D5DF82C", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nthermal: core: Reference count the zone in thermal_zone_get_by_id()\n\nThere are places in the thermal netlink code where nothing prevents\nthe thermal zone object from going away while being accessed after it\nhas been returned by thermal_zone_get_by_id().\n\nTo address this, make thermal_zone_get_by_id() get a reference on the\nthermal zone device object to be returned with the help of get_device(),\nunder thermal_list_lock, and adjust all of its callers to this change\nwith the help of the cleanup.h infrastructure."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: thermal: core: recuento de referencia de la zona en thermal_zone_get_by_id() Hay lugares en el c\u00f3digo de netlink t\u00e9rmico donde nada impide que el objeto de zona t\u00e9rmica desaparezca mientras se accede a \u00e9l despu\u00e9s de que thermal_zone_get_by_id() lo haya devuelto. Para solucionar esto, haga que thermal_zone_get_by_id() obtenga una referencia en el objeto de dispositivo de zona t\u00e9rmica que se devolver\u00e1 con la ayuda de get_device(), bajo thermal_list_lock, y ajuste todos sus llamadores a este cambio con la ayuda de la infraestructura cleanup.h."}], "id": "CVE-2024-50028", "lastModified": "2026-08-04T11:21:08.930", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-50028", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-10-22T13:26:28.280587Z", "version": "2.0.3"}}]}, "published": "2024-10-21T20:15:16.163", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a42a5839f400e929c489bb1b58f54596c4535167"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c95538b286efc6109c987e97a051bc7844ede802"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2025:6966", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.12.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}, {"advisory": "RHSA-2025:6966", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.12.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}], "bugzilla": {"description": "kernel: thermal: core: Reference count the zone in thermal_zone_get_by_id()", "id": "2320610", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2320610"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-99", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nthermal: core: Reference count the zone in thermal_zone_get_by_id()\nThere are places in the thermal netlink code where nothing prevents\nthe thermal zone object from going away while being accessed after it\nhas been returned by thermal_zone_get_by_id().\nTo address this, make thermal_zone_get_by_id() get a reference on the\nthermal zone device object to be returned with the help of get_device(),\nunder thermal_list_lock, and adjust all of its callers to this change\nwith the help of the cleanup.h infrastructure."], "name": "CVE-2024-50028", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "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": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-10-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-50028\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50028\nhttps://lore.kernel.org/linux-cve-announce/2024102130-CVE-2024-50028-5655@gregkh/T"], "threat_severity": "Moderate"}

{}