CVE-2022-49805

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-49805", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-05-01T14:05:17.225Z", "datePublished": "2025-05-01T14:09:32.227Z", "dateUpdated": "2026-05-11T19:07:07.972Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:07:07.972Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lan966x: Fix potential null-ptr-deref in lan966x_stats_init()\n\nlan966x_stats_init() calls create_singlethread_workqueue() and not\nchecked the ret value, which may return NULL. And a null-ptr-deref may\nhappen:\n\nlan966x_stats_init()\n create_singlethread_workqueue() # failed, lan966x->stats_queue is NULL\n queue_delayed_work()\n queue_delayed_work_on()\n __queue_delayed_work() # warning here, but continue\n __queue_work() # access wq->flags, null-ptr-deref\n\nCheck the ret value and return -ENOMEM if it is NULL."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/microchip/lan966x/lan966x_ethtool.c"], "versions": [{"version": "12c2d0a5b8e2a1afc8c7738e19a0d1dd7f3d4007", "lessThan": "4a43c1c6040e848e1344c7b16ac696b68fbc439c", "status": "affected", "versionType": "git"}, {"version": "12c2d0a5b8e2a1afc8c7738e19a0d1dd7f3d4007", "lessThan": "ba86af3733aece88dbcee0dfebf7e2dcfefb2be4", "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/net/ethernet/microchip/lan966x/lan966x_ethtool.c"], "versions": [{"version": "5.17", "status": "affected"}, {"version": "0", "lessThan": "5.17", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.10", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1", "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": "5.17", "versionEndExcluding": "6.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "6.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/4a43c1c6040e848e1344c7b16ac696b68fbc439c"}, {"url": "https://git.kernel.org/stable/c/ba86af3733aece88dbcee0dfebf7e2dcfefb2be4"}], "title": "net: lan966x: Fix potential null-ptr-deref in lan966x_stats_init()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/microchip/lan966x/lan966x_ethtool.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "4a43c1c6040e848e1344c7b16ac696b68fbc439c", "status": "affected", "version": "12c2d0a5b8e2a1afc8c7738e19a0d1dd7f3d4007", "versionType": "git"}, {"lessThan": "ba86af3733aece88dbcee0dfebf7e2dcfefb2be4", "status": "affected", "version": "12c2d0a5b8e2a1afc8c7738e19a0d1dd7f3d4007", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/microchip/lan966x/lan966x_ethtool.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.17"}, {"lessThan": "5.17", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.0.*", "status": "unaffected", "version": "6.0.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "88695986-D3E6-4EA8-89A8-C813D1E588AB", "versionEndExcluding": "6.0.10", "versionStartIncluding": "5.17", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*", "matchCriteriaId": "E7E331DA-1FB0-4DEC-91AC-7DA69D461C11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*", "matchCriteriaId": "17F0B248-42CF-4AE6-A469-BB1BAE7F4705", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*", "matchCriteriaId": "E2422816-0C14-4B5E-A1E6-A9D776E5C49B", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*", "matchCriteriaId": "1C6E00FE-5FB9-4D20-A1A1-5A32128F9B76", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:*", "matchCriteriaId": "35B26BE4-43A6-4A36-A7F6-5B3F572D9186", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lan966x: Fix potential null-ptr-deref in lan966x_stats_init()\n\nlan966x_stats_init() calls create_singlethread_workqueue() and not\nchecked the ret value, which may return NULL. And a null-ptr-deref may\nhappen:\n\nlan966x_stats_init()\n create_singlethread_workqueue() # failed, lan966x->stats_queue is NULL\n queue_delayed_work()\n queue_delayed_work_on()\n __queue_delayed_work() # warning here, but continue\n __queue_work() # access wq->flags, null-ptr-deref\n\nCheck the ret value and return -ENOMEM if it is NULL."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: lan966x: Se corrige un posible error de referencia nulo (PTR) en lan966x_stats_init(). Lan966x_stats_init() llama a create_singlethread_workqueue() y no verifica el valor ret, lo que puede devolver NULL. Podr\u00eda ocurrir un error de referencia nulo (PTR): lan966x_stats_init() create_singlethread_workqueue() # Fall\u00f3, lan966x->stats_queue es NULL. queue_delayed_work() queue_delayed_work_on(). __queue_delayed_work() # Advertencia, pero contin\u00fae. __queue_work() # Acceso a wq->flags, PTR-deref nulo. Verifique el valor ret y devuelva -ENOMEM si es NULL."}], "id": "CVE-2022-49805", "lastModified": "2026-06-17T05:19:11.250", "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": "2025-05-01T15:16:03.817", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4a43c1c6040e848e1344c7b16ac696b68fbc439c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ba86af3733aece88dbcee0dfebf7e2dcfefb2be4"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: net: lan966x: Fix potential null-ptr-deref in lan966x_stats_init()", "id": "2363460", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363460"}, "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": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: lan966x: Fix potential null-ptr-deref in lan966x_stats_init()\nlan966x_stats_init() calls create_singlethread_workqueue() and not\nchecked the ret value, which may return NULL. And a null-ptr-deref may\nhappen:\nlan966x_stats_init()\ncreate_singlethread_workqueue() # failed, lan966x->stats_queue is NULL\nqueue_delayed_work()\nqueue_delayed_work_on()\n__queue_delayed_work() # warning here, but continue\n__queue_work() # access wq->flags, null-ptr-deref\nCheck the ret value and return -ENOMEM if it is NULL."], "name": "CVE-2022-49805", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "2025-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49805\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49805\nhttps://lore.kernel.org/linux-cve-announce/2025050127-CVE-2022-49805-56c1@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-12T22:45:09.202287+00:00", "updated": "2025-07-12T22:45:09.202353+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}