CVE-2022-40476

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "A null pointer dereference issue was discovered in fs/io_uring.c in the Linux kernel before 5.15.62. A local user could use this flaw to crash the system or potentially cause a denial of service."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-09-14T20:06:21.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://lore.kernel.org/lkml/CAO4S-mdVW5GkODk0+vbQexNAAJZopwzFJ9ACvRCJ989fQ4A6Ow%40mail.gmail.com/"}, {"tags": ["x_refsource_MISC"], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/fs/io_uring.c?h=v5.15.61&id=3746d62ecf1c872a520c4866118edccb121c44fd"}, {"tags": ["x_refsource_MISC"], "url": "https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.62"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2022-40476", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A null pointer dereference issue was discovered in fs/io_uring.c in the Linux kernel before 5.15.62. A local user could use this flaw to crash the system or potentially cause a denial of service."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://lore.kernel.org/lkml/CAO4S-mdVW5GkODk0+vbQexNAAJZopwzFJ9ACvRCJ989fQ4A6Ow@mail.gmail.com/", "refsource": "MISC", "url": "https://lore.kernel.org/lkml/CAO4S-mdVW5GkODk0+vbQexNAAJZopwzFJ9ACvRCJ989fQ4A6Ow@mail.gmail.com/"}, {"name": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/fs/io_uring.c?h=v5.15.61&id=3746d62ecf1c872a520c4866118edccb121c44fd", "refsource": "MISC", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/fs/io_uring.c?h=v5.15.61&id=3746d62ecf1c872a520c4866118edccb121c44fd"}, {"name": "https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.62", "refsource": "MISC", "url": "https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.62"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T12:21:45.937Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://lore.kernel.org/lkml/CAO4S-mdVW5GkODk0+vbQexNAAJZopwzFJ9ACvRCJ989fQ4A6Ow%40mail.gmail.com/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/fs/io_uring.c?h=v5.15.61&id=3746d62ecf1c872a520c4866118edccb121c44fd"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.62"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2022-40476", "datePublished": "2022-09-14T20:06:21.000Z", "dateReserved": "2022-09-11T00:00:00.000Z", "dateUpdated": "2024-08-03T12:21:45.937Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DEB0E3B3-6302-411D-A2E1-BD99147A8276", "versionEndExcluding": "5.15.62", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A null pointer dereference issue was discovered in fs/io_uring.c in the Linux kernel before 5.15.62. A local user could use this flaw to crash the system or potentially cause a denial of service."}, {"lang": "es", "value": "Se ha detectado un problema de desreferencia de puntero null en el archivo fs/io_uring.c en el kernel de Linux versiones anteriores a 5.15.62. Un usuario local podr\u00eda usar este fallo para bloquear el sistema o causar potencialmente una denegaci\u00f3n de servicio"}], "id": "CVE-2022-40476", "lastModified": "2026-06-17T05:01:26.063", "metrics": {"cvssMetricV31": [{"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"}]}, "published": "2022-09-14T21:15:10.713", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/fs/io_uring.c?h=v5.15.61&id=3746d62ecf1c872a520c4866118edccb121c44fd"}, {"source": "cve@mitre.org", "url": "https://lore.kernel.org/lkml/CAO4S-mdVW5GkODk0+vbQexNAAJZopwzFJ9ACvRCJ989fQ4A6Ow%40mail.gmail.com/"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.62"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/fs/io_uring.c?h=v5.15.61&id=3746d62ecf1c872a520c4866118edccb121c44fd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lore.kernel.org/lkml/CAO4S-mdVW5GkODk0+vbQexNAAJZopwzFJ9ACvRCJ989fQ4A6Ow%40mail.gmail.com/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.62"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: NULL pointer dereference issue in io_req_track_inflight in fs/io_uring.c", "id": "2133407", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2133407"}, "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"}, "cwe": "CWE-476", "details": ["A null pointer dereference issue was discovered in fs/io_uring.c in the Linux kernel before 5.15.62. A local user could use this flaw to crash the system or potentially cause a denial of service.", "A NULL pointer dereference issue was discovered in io_req_track_inflight in fs/io_uring.c. A local user could use this flaw to potentially crash the system causing a denial of service."], "name": "CVE-2022-40476", "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": "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2022-08-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-40476\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-40476"], "statement": "Red Hat Enterprise Linux is not affected by this flaw as io_uring (CONFIG_IO_URING) is not enabled in any current shipping kernels.", "threat_severity": "Moderate"}

{}