CVE-2026-43423

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43423", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "REJECTED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:56.008Z", "datePublished": "2026-05-08T14:21:57.683Z", "dateUpdated": "2026-06-17T18:25:34.243Z", "dateRejected": "2026-06-17T18:25:34.243Z"}, "containers": {"cna": {"rejectedReasons": [{"lang": "en", "value": "This CVE ID has been rejected or withdrawn by its CVE Numbering Authority."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-17T18:25:34.243Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority."}], "id": "CVE-2026-43423", "lastModified": "2026-10-16T14:10:00.120", "metrics": {}, "published": "2026-05-08T15:16:54.390", "references": [], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Rejected"}

{"bugzilla": {"description": "kernel: usb: gadget: f_ncm: Fix atomic context locking issue", "id": "2468256", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468256"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-663", "details": ["A flaw was found in the Linux kernel's USB Network Control Model (NCM) gadget driver. The ncm_set_alt function was observed to hold a mutex within an atomic context, which is an invalid operation. This improper locking can lead to a 'sleeping function called from invalid context' error when configfs attempts to invoke a function that might sleep. An attacker could potentially exploit this to cause system instability or a denial of service."], "name": "CVE-2026-43423", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "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": "2026-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43423\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43423\nhttps://lore.kernel.org/linux-cve-announce/2026050848-CVE-2026-43423-5e6b@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b62076e780a2121903ecf9ffdfb89c64647cb7da,e533a44fb1b337d14f772585b67328bee2e0b5e3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[188338c1827842f898761a939669cf345bdf07e2,e95120b4b95ef1c16d8e94e201ae89f5e59e2612)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[56a512a9b4107079f68701e7d55da8507eb963d9,0d6c8144ca4d93253de952a5ea0028c19ed7ab68)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.18.17,6.18.19)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.19.7,6.19.9)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-08T17:00:16.209594+00:00", "updated": "2026-05-26T18:00:14.552149+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}