{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31604", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-03-09T15:48:24.122Z", "datePublished": "2026-04-24T14:42:27.342Z", "dateUpdated": "2026-04-27T13:56:46.061Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-04-27T13:56:46.061Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw88: fix device leak on probe failure\n\nDriver core holds a reference to the USB interface and its parent USB\ndevice while the interface is bound to a driver and there is no need to\ntake additional references unless the structures are needed after\ndisconnect.\n\nThis driver takes a reference to the USB device during probe but does\nnot to release it on all probe errors (e.g. when descriptor parsing\nfails).\n\nDrop the redundant device reference to fix the leak, reduce cargo\nculting, make it easier to spot drivers where an extra reference is\nneeded, and reduce the risk of further memory leaks."}], "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/usb.c"], "versions": [{"version": "a82dfd33d1237f6c0fb8a7077022189d1fc7ec98", "lessThan": "f632987306bce9242cdfcf911ee0b2c9455e05a3", "status": "affected", "versionType": "git"}, {"version": "a82dfd33d1237f6c0fb8a7077022189d1fc7ec98", "lessThan": "a4f4371d194dfa5473cc961f86194084b1b13a69", "status": "affected", "versionType": "git"}, {"version": "a82dfd33d1237f6c0fb8a7077022189d1fc7ec98", "lessThan": "89a9c1bc7d797120bcc290864e0cb10a440a677f", "status": "affected", "versionType": "git"}, {"version": "a82dfd33d1237f6c0fb8a7077022189d1fc7ec98", "lessThan": "af7307e96dad00bcc2675dac650d8558a52f2c6f", "status": "affected", "versionType": "git"}, {"version": "a82dfd33d1237f6c0fb8a7077022189d1fc7ec98", "lessThan": "25a827b7e1d5747a255bdc757f1d3e9e1e8a4e2a", "status": "affected", "versionType": "git"}, {"version": "a82dfd33d1237f6c0fb8a7077022189d1fc7ec98", "lessThan": "bbb15e71156cd9f5e1869eee7207a06ea8e96c39", "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/usb.c"], "versions": [{"version": "6.2", "status": "affected"}, {"version": "0", "lessThan": "6.2", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.136", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.83", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.24", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.14", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.1", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1-rc1", "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": "6.2", "versionEndExcluding": "6.6.136"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.12.83"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.18.24"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.19.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "7.0.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "7.1-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/f632987306bce9242cdfcf911ee0b2c9455e05a3"}, {"url": "https://git.kernel.org/stable/c/a4f4371d194dfa5473cc961f86194084b1b13a69"}, {"url": "https://git.kernel.org/stable/c/89a9c1bc7d797120bcc290864e0cb10a440a677f"}, {"url": "https://git.kernel.org/stable/c/af7307e96dad00bcc2675dac650d8558a52f2c6f"}, {"url": "https://git.kernel.org/stable/c/25a827b7e1d5747a255bdc757f1d3e9e1e8a4e2a"}, {"url": "https://git.kernel.org/stable/c/bbb15e71156cd9f5e1869eee7207a06ea8e96c39"}], "title": "wifi: rtw88: fix device leak on probe failure", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw88: fix device leak on probe failure\n\nDriver core holds a reference to the USB interface and its parent USB\ndevice while the interface is bound to a driver and there is no need to\ntake additional references unless the structures are needed after\ndisconnect.\n\nThis driver takes a reference to the USB device during probe but does\nnot to release it on all probe errors (e.g. when descriptor parsing\nfails).\n\nDrop the redundant device reference to fix the leak, reduce cargo\nculting, make it easier to spot drivers where an extra reference is\nneeded, and reduce the risk of further memory leaks."}], "id": "CVE-2026-31604", "lastModified": "2026-04-27T14:16:44.917", "metrics": {}, "published": "2026-04-24T15:16:39.627", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/25a827b7e1d5747a255bdc757f1d3e9e1e8a4e2a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/89a9c1bc7d797120bcc290864e0cb10a440a677f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a4f4371d194dfa5473cc961f86194084b1b13a69"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/af7307e96dad00bcc2675dac650d8558a52f2c6f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bbb15e71156cd9f5e1869eee7207a06ea8e96c39"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f632987306bce9242cdfcf911ee0b2c9455e05a3"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: wifi: rtw88: fix device leak on probe failure", "id": "2461446", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461446"}, "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-911", "details": ["A flaw was found in the Linux kernel's rtw88 Wi-Fi driver. This vulnerability occurs when the driver fails to release a reference to a Universal Serial Bus (USB) device during certain probe errors, such as when descriptor parsing fails. A local attacker could potentially trigger this condition by plugging in a malformed USB device, leading to memory leaks. Over time, these unreleased resources could accumulate, potentially causing system instability or a denial of service."], "name": "CVE-2026-31604", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-04-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-31604\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-31604\nhttps://lore.kernel.org/linux-cve-announce/2026042419-CVE-2026-31604-cd65@gregkh/T"], "threat_severity": "Moderate"}