CVE-2026-80942

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80942", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.803Z", "datePublished": "2026-09-11T19:42:14.589Z", "dateUpdated": "2026-10-19T08:45:26.138Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:45:26.138Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtlwifi: rtl8192du: Fix possible memory leak in rtl92du_init_sw_vars()\n\nThe memory allocated inside rtl92du_init_shared_data() is not freed in\nany of the subsequent error paths in rtl92du_init_sw_vars().\nFix that by adding a call to rtl92du_deinit_shared_data() in the error\npath."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/realtek/rtlwifi/rtl8192du/sw.c"], "versions": [{"version": "b5dc8873b6ffebd331e46814e537179eac8b6aa4", "lessThan": "3a5b23e7dbeb00c93ec3b8add97f5de9bb9cbb5c", "status": "affected", "versionType": "git"}, {"version": "b5dc8873b6ffebd331e46814e537179eac8b6aa4", "lessThan": "dc8b0be0ec4d9b0c80f07b27e656e4a94de5a344", "status": "affected", "versionType": "git"}, {"version": "b5dc8873b6ffebd331e46814e537179eac8b6aa4", "lessThan": "7159e1e12468a0b1ac519b296280c0a27f91eab5", "status": "affected", "versionType": "git"}, {"version": "b5dc8873b6ffebd331e46814e537179eac8b6aa4", "lessThan": "6496ce90845df2d22fb8e8ed235cd2936fad41c8", "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/wireless/realtek/rtlwifi/rtl8192du/sw.c"], "versions": [{"version": "6.11", "status": "affected"}, {"version": "0", "lessThan": "6.11", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.109", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.50", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.4", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "6.11", "versionEndExcluding": "6.12.109"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.18.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "7.2.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3a5b23e7dbeb00c93ec3b8add97f5de9bb9cbb5c"}, {"url": "https://git.kernel.org/stable/c/dc8b0be0ec4d9b0c80f07b27e656e4a94de5a344"}, {"url": "https://git.kernel.org/stable/c/7159e1e12468a0b1ac519b296280c0a27f91eab5"}, {"url": "https://git.kernel.org/stable/c/6496ce90845df2d22fb8e8ed235cd2936fad41c8"}], "title": "wifi: rtlwifi: rtl8192du: Fix possible memory leak in rtl92du_init_sw_vars()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/wireless/realtek/rtlwifi/rtl8192du/sw.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "3a5b23e7dbeb00c93ec3b8add97f5de9bb9cbb5c", "status": "affected", "version": "b5dc8873b6ffebd331e46814e537179eac8b6aa4", "versionType": "git"}, {"lessThan": "dc8b0be0ec4d9b0c80f07b27e656e4a94de5a344", "status": "affected", "version": "b5dc8873b6ffebd331e46814e537179eac8b6aa4", "versionType": "git"}, {"lessThan": "7159e1e12468a0b1ac519b296280c0a27f91eab5", "status": "affected", "version": "b5dc8873b6ffebd331e46814e537179eac8b6aa4", "versionType": "git"}, {"lessThan": "6496ce90845df2d22fb8e8ed235cd2936fad41c8", "status": "affected", "version": "b5dc8873b6ffebd331e46814e537179eac8b6aa4", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/realtek/rtlwifi/rtl8192du/sw.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.11"}, {"lessThan": "6.11", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.109", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.50", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "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\nwifi: rtlwifi: rtl8192du: Fix possible memory leak in rtl92du_init_sw_vars()\n\nThe memory allocated inside rtl92du_init_shared_data() is not freed in\nany of the subsequent error paths in rtl92du_init_sw_vars().\nFix that by adding a call to rtl92du_deinit_shared_data() in the error\npath."}], "id": "CVE-2026-80942", "lastModified": "2026-10-19T09:17:25.440", "metrics": {}, "published": "2026-09-11T20:18:59.660", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3a5b23e7dbeb00c93ec3b8add97f5de9bb9cbb5c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6496ce90845df2d22fb8e8ed235cd2936fad41c8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7159e1e12468a0b1ac519b296280c0a27f91eab5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dc8b0be0ec4d9b0c80f07b27e656e4a94de5a344"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel: Memory leak in rtlwifi driver can lead to Denial of Service", "id": "2532427", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532427"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.8", "cvss3_scoring_vector": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel's rtlwifi driver for rtl8192du. Specifically, a memory allocation made during the initialization of shared data was not consistently freed in error handling paths. This could result in a memory leak, potentially leading to system instability or a Denial of Service (DoS) due to resource exhaustion over time."], "name": "CVE-2026-80942", "public_date": "2026-09-11T19:42:14Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80942\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80942\nhttps://git.kernel.org/stable/c/3a5b23e7dbeb00c93ec3b8add97f5de9bb9cbb5c\nhttps://git.kernel.org/stable/c/6496ce90845df2d22fb8e8ed235cd2936fad41c8\nhttps://git.kernel.org/stable/c/7159e1e12468a0b1ac519b296280c0a27f91eab5\nhttps://git.kernel.org/stable/c/dc8b0be0ec4d9b0c80f07b27e656e4a94de5a344"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b5dc8873b6ffebd331e46814e537179eac8b6aa4,3a5b23e7dbeb00c93ec3b8add97f5de9bb9cbb5c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b5dc8873b6ffebd331e46814e537179eac8b6aa4,dc8b0be0ec4d9b0c80f07b27e656e4a94de5a344)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b5dc8873b6ffebd331e46814e537179eac8b6aa4,7159e1e12468a0b1ac519b296280c0a27f91eab5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b5dc8873b6ffebd331e46814e537179eac8b6aa4,6496ce90845df2d22fb8e8ed235cd2936fad41c8)"}}], "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": "code_commit", "value": "[b5dc8873b6ffebd331e46814e537179eac8b6aa4,3a5b23e7dbeb00c93ec3b8add97f5de9bb9cbb5c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b5dc8873b6ffebd331e46814e537179eac8b6aa4,dc8b0be0ec4d9b0c80f07b27e656e4a94de5a344)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b5dc8873b6ffebd331e46814e537179eac8b6aa4,7159e1e12468a0b1ac519b296280c0a27f91eab5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b5dc8873b6ffebd331e46814e537179eac8b6aa4,6496ce90845df2d22fb8e8ed235cd2936fad41c8)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "6.11"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.11)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.109,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.50,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.4,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "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": "2026-09-12T20:00:12.765613+00:00", "updated": "2026-09-21T04:00:13.523280+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}