CVE-2026-80941

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80941", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.803Z", "datePublished": "2026-09-11T19:42:13.854Z", "dateUpdated": "2026-10-19T08:45:25.151Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:45:25.151Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw88: Fix potential memory leak in rtw_txq_push_skb()\n\nThe skb passed to the rtw_hci_tx_write() is expected to be freed when\nthe function fails, but the error path in rtw_txq_push_skb() does not\nfree the skb before returning. This can lead to a memory leak in\nrtw_txq_push() where a dequeued skb is passed to rtw_txq_push_skb()."}], "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/rtw88/tx.c"], "versions": [{"version": "aaab5d0e673749f82ff34e5f15ea8a689789a9ce", "lessThan": "e8fd57157ee7a9e2986a9218198a5c1b02f2310b", "status": "affected", "versionType": "git"}, {"version": "aaab5d0e673749f82ff34e5f15ea8a689789a9ce", "lessThan": "924e75a420a3000e9f189aed26f67556a62f2d57", "status": "affected", "versionType": "git"}, {"version": "aaab5d0e673749f82ff34e5f15ea8a689789a9ce", "lessThan": "68676ce3313b74326fbcf21c673728db4c19d3cf", "status": "affected", "versionType": "git"}, {"version": "aaab5d0e673749f82ff34e5f15ea8a689789a9ce", "lessThan": "c86199357a93b9182854cf805d7780a213fda937", "status": "affected", "versionType": "git"}, {"version": "aaab5d0e673749f82ff34e5f15ea8a689789a9ce", "lessThan": "6e95852f904edbabf411793093fcfd6f6d49ef27", "status": "affected", "versionType": "git"}, {"version": "aaab5d0e673749f82ff34e5f15ea8a689789a9ce", "lessThan": "7364713f0931ee45fdf0bea27103b40ccc94979a", "status": "affected", "versionType": "git"}, {"version": "aaab5d0e673749f82ff34e5f15ea8a689789a9ce", "lessThan": "51d8b35574721cf3fe744f46ebd9629916063fee", "status": "affected", "versionType": "git"}, {"version": "aaab5d0e673749f82ff34e5f15ea8a689789a9ce", "lessThan": "9f2948010764d708bda27369d09ce6f194abe8e3", "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/rtw88/tx.c"], "versions": [{"version": "5.7", "status": "affected"}, {"version": "0", "lessThan": "5.7", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.270", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.221", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.188", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.157", "lessThanOrEqual": "6.6.*", "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": "5.7", "versionEndExcluding": "5.10.270"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "5.15.221"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.1.188"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.6.157"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.12.109"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.18.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "7.2.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/e8fd57157ee7a9e2986a9218198a5c1b02f2310b"}, {"url": "https://git.kernel.org/stable/c/924e75a420a3000e9f189aed26f67556a62f2d57"}, {"url": "https://git.kernel.org/stable/c/68676ce3313b74326fbcf21c673728db4c19d3cf"}, {"url": "https://git.kernel.org/stable/c/c86199357a93b9182854cf805d7780a213fda937"}, {"url": "https://git.kernel.org/stable/c/6e95852f904edbabf411793093fcfd6f6d49ef27"}, {"url": "https://git.kernel.org/stable/c/7364713f0931ee45fdf0bea27103b40ccc94979a"}, {"url": "https://git.kernel.org/stable/c/51d8b35574721cf3fe744f46ebd9629916063fee"}, {"url": "https://git.kernel.org/stable/c/9f2948010764d708bda27369d09ce6f194abe8e3"}], "title": "wifi: rtw88: Fix potential memory leak in rtw_txq_push_skb()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/wireless/realtek/rtw88/tx.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "e8fd57157ee7a9e2986a9218198a5c1b02f2310b", "status": "affected", "version": "aaab5d0e673749f82ff34e5f15ea8a689789a9ce", "versionType": "git"}, {"lessThan": "924e75a420a3000e9f189aed26f67556a62f2d57", "status": "affected", "version": "aaab5d0e673749f82ff34e5f15ea8a689789a9ce", "versionType": "git"}, {"lessThan": "68676ce3313b74326fbcf21c673728db4c19d3cf", "status": "affected", "version": "aaab5d0e673749f82ff34e5f15ea8a689789a9ce", "versionType": "git"}, {"lessThan": "c86199357a93b9182854cf805d7780a213fda937", "status": "affected", "version": "aaab5d0e673749f82ff34e5f15ea8a689789a9ce", "versionType": "git"}, {"lessThan": "6e95852f904edbabf411793093fcfd6f6d49ef27", "status": "affected", "version": "aaab5d0e673749f82ff34e5f15ea8a689789a9ce", "versionType": "git"}, {"lessThan": "7364713f0931ee45fdf0bea27103b40ccc94979a", "status": "affected", "version": "aaab5d0e673749f82ff34e5f15ea8a689789a9ce", "versionType": "git"}, {"lessThan": "51d8b35574721cf3fe744f46ebd9629916063fee", "status": "affected", "version": "aaab5d0e673749f82ff34e5f15ea8a689789a9ce", "versionType": "git"}, {"lessThan": "9f2948010764d708bda27369d09ce6f194abe8e3", "status": "affected", "version": "aaab5d0e673749f82ff34e5f15ea8a689789a9ce", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/realtek/rtw88/tx.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.7"}, {"lessThan": "5.7", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.270", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.221", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.188", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.157", "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: rtw88: Fix potential memory leak in rtw_txq_push_skb()\n\nThe skb passed to the rtw_hci_tx_write() is expected to be freed when\nthe function fails, but the error path in rtw_txq_push_skb() does not\nfree the skb before returning. This can lead to a memory leak in\nrtw_txq_push() where a dequeued skb is passed to rtw_txq_push_skb()."}], "id": "CVE-2026-80941", "lastModified": "2026-10-19T09:17:25.323", "metrics": {}, "published": "2026-09-11T20:18:59.227", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/51d8b35574721cf3fe744f46ebd9629916063fee"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/68676ce3313b74326fbcf21c673728db4c19d3cf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6e95852f904edbabf411793093fcfd6f6d49ef27"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7364713f0931ee45fdf0bea27103b40ccc94979a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/924e75a420a3000e9f189aed26f67556a62f2d57"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9f2948010764d708bda27369d09ce6f194abe8e3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c86199357a93b9182854cf805d7780a213fda937"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e8fd57157ee7a9e2986a9218198a5c1b02f2310b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel: Memory leak in rtw88 Wi-Fi driver", "id": "2532526", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532526"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/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 rtw88 Wi-Fi driver of the Linux kernel. This issue occurs because the rtw_txq_push_skb() function fails to free a socket buffer (skb) when an error occurs during transmission. This oversight can lead to a memory leak, potentially impacting system stability and performance over time."], "name": "CVE-2026-80941", "public_date": "2026-09-11T19:42:13Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80941\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80941\nhttps://git.kernel.org/stable/c/51d8b35574721cf3fe744f46ebd9629916063fee\nhttps://git.kernel.org/stable/c/6e95852f904edbabf411793093fcfd6f6d49ef27\nhttps://git.kernel.org/stable/c/7364713f0931ee45fdf0bea27103b40ccc94979a\nhttps://git.kernel.org/stable/c/9f2948010764d708bda27369d09ce6f194abe8e3"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[aaab5d0e673749f82ff34e5f15ea8a689789a9ce,6e95852f904edbabf411793093fcfd6f6d49ef27)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[aaab5d0e673749f82ff34e5f15ea8a689789a9ce,7364713f0931ee45fdf0bea27103b40ccc94979a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[aaab5d0e673749f82ff34e5f15ea8a689789a9ce,51d8b35574721cf3fe744f46ebd9629916063fee)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[aaab5d0e673749f82ff34e5f15ea8a689789a9ce,9f2948010764d708bda27369d09ce6f194abe8e3)"}}], "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": "generic", "value": "5.7"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.7)"}}, {"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": "2026-09-13T00:45:17.426180+00:00", "updated": "2026-09-21T03:00:12.596134+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}