CVE-2024-46760

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{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-46760", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-29T14:44:05.303154Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-29T14:44:09.480Z"}}], "cna": {"title": "wifi: rtw88: usb: schedule rx work after everything is set up", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "e3037485c68ec1a299ff41160d8fedbd4abc29b9", "lessThan": "c83d464b82a8ad62ec9077637f75d73fe955635a", "versionType": "git"}, {"status": "affected", "version": "e3037485c68ec1a299ff41160d8fedbd4abc29b9", "lessThan": "25eaef533bf3ccc6fee5067aac16f41f280e343e", "versionType": "git"}, {"status": "affected", "version": "e3037485c68ec1a299ff41160d8fedbd4abc29b9", "lessThan": "adc539784c98a7cc602cbf557debfc2e7b9be8b3", "versionType": "git"}], "programFiles": ["drivers/net/wireless/realtek/rtw88/usb.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.2"}, {"status": "unaffected", "version": "0", "lessThan": "5.2", "versionType": "semver"}, {"status": "unaffected", "version": "6.6.51", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.10.10", "versionType": "semver", "lessThanOrEqual": "6.10.*"}, {"status": "unaffected", "version": "6.11", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/net/wireless/realtek/rtw88/usb.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/c83d464b82a8ad62ec9077637f75d73fe955635a"}, {"url": "https://git.kernel.org/stable/c/25eaef533bf3ccc6fee5067aac16f41f280e343e"}, {"url": "https://git.kernel.org/stable/c/adc539784c98a7cc602cbf557debfc2e7b9be8b3"}], "x_generator": {"engine": "bippy-5f407fcff5a0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw88: usb: schedule rx work after everything is set up\n\nRight now it's possible to hit NULL pointer dereference in\nrtw_rx_fill_rx_status on hw object and/or its fields because\ninitialization routine can start getting USB replies before\nrtw_dev is fully setup.\n\nThe stack trace looks like this:\n\nrtw_rx_fill_rx_status\nrtw8821c_query_rx_desc\nrtw_usb_rx_handler\n...\nqueue_work\nrtw_usb_read_port_complete\n...\nusb_submit_urb\nrtw_usb_rx_resubmit\nrtw_usb_init_rx\nrtw_usb_probe\n\nSo while we do the async stuff rtw_usb_probe continues and calls\nrtw_register_hw, which does all kinds of initialization (e.g.\nvia ieee80211_register_hw) that rtw_rx_fill_rx_status relies on.\n\nFix this by moving the first usb_submit_urb after everything\nis set up.\n\nFor me, this bug manifested as:\n[ 8.893177] rtw_8821cu 1-1:1.2: band wrong, packet dropped\n[ 8.910904] rtw_8821cu 1-1:1.2: hw->conf.chandef.chan NULL in rtw_rx_fill_rx_status\nbecause I'm using Larry's backport of rtw88 driver with the NULL\nchecks in rtw_rx_fill_rx_status."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-01-06T15:47:32.411Z"}}}, "cveMetadata": {"cveId": "CVE-2024-46760", "state": "PUBLISHED", "dateUpdated": "2025-01-06T15:47:32.411Z", "dateReserved": "2024-09-11T15:12:18.271Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-09-18T07:12:19.995Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

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El seguimiento de la pila se ve as\u00ed: rtw_rx_fill_rx_status rtw8821c_query_rx_desc rtw_usb_rx_handler ... queue_work rtw_usb_read_port_complete ... usb_submit_urb rtw_usb_rx_resubmit rtw_usb_init_rx rtw_usb_probe Entonces, mientras hacemos las cosas asincr\u00f3nicas, rtw_usb_probe contin\u00faa y llama a rtw_register_hw, que realiza todo tipo de inicializaci\u00f3n (por ejemplo, a trav\u00e9s de ieee80211_register_hw) de la que depende rtw_rx_fill_rx_status. Arregle esto moviendo el primer usb_submit_urb despu\u00e9s de que todo est\u00e9 configurado. Para m\u00ed, este error se manifest\u00f3 como: [8.893177] rtw_8821cu 1-1:1.2: banda incorrecta, paquete descartado [8.910904] rtw_8821cu 1-1:1.2: hw->conf.chandef.chan NULL en rtw_rx_fill_rx_status porque estoy usando el backport de Larry del controlador rtw88 con las comprobaciones NULL en rtw_rx_fill_rx_status."}], "id": "CVE-2024-46760", "lastModified": "2026-06-17T07:55:52.617", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-46760", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-29T14:44:05.303154Z", "version": "2.0.3"}}]}, "published": "2024-09-18T08:15:04.470", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/25eaef533bf3ccc6fee5067aac16f41f280e343e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/adc539784c98a7cc602cbf557debfc2e7b9be8b3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c83d464b82a8ad62ec9077637f75d73fe955635a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: wifi: rtw88: usb: schedule rx work after everything is set up", "id": "2313108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2313108"}, "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-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: rtw88: usb: schedule rx work after everything is set up\nRight now it's possible to hit NULL pointer dereference in\nrtw_rx_fill_rx_status on hw object and/or its fields because\ninitialization routine can start getting USB replies before\nrtw_dev is fully setup.\nThe stack trace looks like this:\nrtw_rx_fill_rx_status\nrtw8821c_query_rx_desc\nrtw_usb_rx_handler\n...\nqueue_work\nrtw_usb_read_port_complete\n...\nusb_submit_urb\nrtw_usb_rx_resubmit\nrtw_usb_init_rx\nrtw_usb_probe\nSo while we do the async stuff rtw_usb_probe continues and calls\nrtw_register_hw, which does all kinds of initialization (e.g.\nvia ieee80211_register_hw) that rtw_rx_fill_rx_status relies on.\nFix this by moving the first usb_submit_urb after everything\nis set up.\nFor me, this bug manifested as:\n[ 8.893177] rtw_8821cu 1-1:1.2: band wrong, packet dropped\n[ 8.910904] rtw_8821cu 1-1:1.2: hw->conf.chandef.chan NULL in rtw_rx_fill_rx_status\nbecause I'm using Larry's backport of rtw88 driver with the NULL\nchecks in rtw_rx_fill_rx_status."], "name": "CVE-2024-46760", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-09-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-46760\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-46760\nhttps://lore.kernel.org/linux-cve-announce/2024091842-CVE-2024-46760-1eb3@gregkh/T"], "threat_severity": "Moderate"}

{}