{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-41062", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-07-12T12:17:45.627Z", "datePublished": "2024-07-29T14:57:24.352Z", "dateUpdated": "2024-11-05T09:35:58.891Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-05T09:35:58.891Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbluetooth/l2cap: sync sock recv cb and release\n\nThe problem occurs between the system call to close the sock and hci_rx_work,\nwhere the former releases the sock and the latter accesses it without lock protection.\n\n CPU0 CPU1\n ---- ----\n sock_close hci_rx_work\n\t l2cap_sock_release hci_acldata_packet\n\t l2cap_sock_kill l2cap_recv_frame\n\t sk_free l2cap_conless_channel\n\t l2cap_sock_recv_cb\n\nIf hci_rx_work processes the data that needs to be received before the sock is\nclosed, then everything is normal; Otherwise, the work thread may access the\nreleased sock when receiving data.\n\nAdd a chan mutex in the rx callback of the sock to achieve synchronization between\nthe sock release and recv cb.\n\nSock is dead, so set chan data to NULL, avoid others use invalid sock pointer."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bluetooth/l2cap_sock.c"], "versions": [{"version": "1da177e4c3f4", "lessThan": "605572e64cd9", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "b803f30ea23e", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "3b732449b781", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "89e856e124f9", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bluetooth/l2cap_sock.c"], "versions": [{"version": "6.1.101", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.42", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.9.11", "lessThanOrEqual": "6.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.10", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/605572e64cd9cebb05ed609d96cff05b50d18cdf"}, {"url": "https://git.kernel.org/stable/c/b803f30ea23e0968b6c8285c42adf0d862ab2bf6"}, {"url": "https://git.kernel.org/stable/c/3b732449b78183d17178db40be3a4401cf3cd629"}, {"url": "https://git.kernel.org/stable/c/89e856e124f9ae548572c56b1b70c2255705f8fe"}], "title": "bluetooth/l2cap: sync sock recv cb and release", "x_generator": {"engine": "bippy-9e1c9544281a"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T04:46:52.343Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/605572e64cd9cebb05ed609d96cff05b50d18cdf", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/b803f30ea23e0968b6c8285c42adf0d862ab2bf6", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/3b732449b78183d17178db40be3a4401cf3cd629", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/89e856e124f9ae548572c56b1b70c2255705f8fe", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-41062", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T16:22:05.690775Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:32:59.338Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbluetooth/l2cap: sync sock recv cb and release\n\nThe problem occurs between the system call to close the sock and hci_rx_work,\nwhere the former releases the sock and the latter accesses it without lock protection.\n\n CPU0 CPU1\n ---- ----\n sock_close hci_rx_work\n\t l2cap_sock_release hci_acldata_packet\n\t l2cap_sock_kill l2cap_recv_frame\n\t sk_free l2cap_conless_channel\n\t l2cap_sock_recv_cb\n\nIf hci_rx_work processes the data that needs to be received before the sock is\nclosed, then everything is normal; Otherwise, the work thread may access the\nreleased sock when receiving data.\n\nAdd a chan mutex in the rx callback of the sock to achieve synchronization between\nthe sock release and recv cb.\n\nSock is dead, so set chan data to NULL, avoid others use invalid sock pointer."}, {"lang": "es", "value": "En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: bluetooth/l2cap: sync sock recv cb and release El problema ocurre entre la llamada al sistema para cerrar el calcet\u00edn y hci_rx_work, donde el primero libera el calcet\u00edn y el segundo accede a \u00e9l sin protecci\u00f3n de bloqueo. . CPU0 CPU1 ---- ---- sock_close hci_rx_work l2cap_sock_release hci_acldata_packet l2cap_sock_kill l2cap_recv_frame sk_free l2cap_conless_channel l2cap_sock_recv_cb Si hci_rx_work procesa los datos que deben recibirse antes de cerrar el sock, entonces todo es normal; De lo contrario, el hilo de trabajo puede acceder al sock liberado al recibir datos. Agregue un mutex chan en la devoluci\u00f3n de llamada rx del sock para lograr la sincronizaci\u00f3n entre la liberaci\u00f3n del sock y recv cb. Sock est\u00e1 muerto, as\u00ed que configure los datos de chan en NULL, evite que otros usen un puntero de sock no v\u00e1lido."}], "id": "CVE-2024-41062", "lastModified": "2024-07-29T16:21:52.517", "metrics": {}, "published": "2024-07-29T15:15:14.173", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3b732449b78183d17178db40be3a4401cf3cd629"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/605572e64cd9cebb05ed609d96cff05b50d18cdf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/89e856e124f9ae548572c56b1b70c2255705f8fe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b803f30ea23e0968b6c8285c42adf0d862ab2bf6"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: bluetooth/l2cap: sync sock recv cb and release", "id": "2300437", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2300437"}, "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-413", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbluetooth/l2cap: sync sock recv cb and release\nThe problem occurs between the system call to close the sock and hci_rx_work,\nwhere the former releases the sock and the latter accesses it without lock protection.\nCPU0 CPU1\n---- ----\nsock_close hci_rx_work\nl2cap_sock_release hci_acldata_packet\nl2cap_sock_kill l2cap_recv_frame\nsk_free l2cap_conless_channel\nl2cap_sock_recv_cb\nIf hci_rx_work processes the data that needs to be received before the sock is\nclosed, then everything is normal; Otherwise, the work thread may access the\nreleased sock when receiving data.\nAdd a chan mutex in the rx callback of the sock to achieve synchronization between\nthe sock release and recv cb.\nSock is dead, so set chan data to NULL, avoid others use invalid sock pointer."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2024-41062", "package_state": [{"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": "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": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-07-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-41062\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-41062\nhttps://lore.kernel.org/linux-cve-announce/2024072906-CVE-2024-41062-cb85@gregkh/T"], "statement": "Following issue marked as moderate with \"not affected or will not fix\" for Red Hat Enterprise Linux, as it is not vulnerable to this CVE. This is because the CVE does not impact the versions or configurations of the Linux kernel used in Red Hat's distributions.", "threat_severity": "Moderate", "upstream_fix": "kernel 6.1.101, kernel 6.6.42, kernel 6.9.11, kernel 6.10"}