{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2024-26897", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.186Z", "datePublished": "2024-04-17T10:27:47.842Z", "dateUpdated": "2025-05-04T12:55:07.571Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T12:55:07.571Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath9k: delay all of ath9k_wmi_event_tasklet() until init is complete\n\nThe ath9k_wmi_event_tasklet() used in ath9k_htc assumes that all the data\nstructures have been fully initialised by the time it runs. However, because of\nthe order in which things are initialised, this is not guaranteed to be the\ncase, because the device is exposed to the USB subsystem before the ath9k driver\ninitialisation is completed.\n\nWe already committed a partial fix for this in commit:\n8b3046abc99e (\"ath9k_htc: fix NULL pointer dereference at ath9k_htc_tx_get_packet()\")\n\nHowever, that commit only aborted the WMI_TXSTATUS_EVENTID command in the event\ntasklet, pairing it with an \"initialisation complete\" bit in the TX struct. It\nseems syzbot managed to trigger the race for one of the other commands as well,\nso let's just move the existing synchronisation bit to cover the whole\ntasklet (setting it at the end of ath9k_htc_probe_device() instead of inside\nath9k_tx_init())."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/ath/ath9k/htc.h", "drivers/net/wireless/ath/ath9k/htc_drv_init.c", "drivers/net/wireless/ath/ath9k/htc_drv_txrx.c", "drivers/net/wireless/ath/ath9k/wmi.c"], "versions": [{"version": "78c8397132dd4735ac6a7b5a651302f0b9f264ad", "lessThan": "1bc5461a21c56a36e2a7d81e152b90ce019a3905", "status": "affected", "versionType": "git"}, {"version": "735aefae7b68025cd04c482a940c0f6fc6797a63", "lessThan": "f8ff4b4df71e87f609be0cc37d92e918107f9b90", "status": "affected", "versionType": "git"}, {"version": "8b3046abc99eefe11438090bcc4ec3a3994b55d0", 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However, because of\nthe order in which things are initialised, this is not guaranteed to be the\ncase, because the device is exposed to the USB subsystem before the ath9k driver\ninitialisation is completed.\n\nWe already committed a partial fix for this in commit:\n8b3046abc99e (\"ath9k_htc: fix NULL pointer dereference at ath9k_htc_tx_get_packet()\")\n\nHowever, that commit only aborted the WMI_TXSTATUS_EVENTID command in the event\ntasklet, pairing it with an \"initialisation complete\" bit in the TX struct. It\nseems syzbot managed to trigger the race for one of the other commands as well,\nso let's just move the existing synchronisation bit to cover the whole\ntasklet (setting it at the end of ath9k_htc_probe_device() instead of inside\nath9k_tx_init())."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-05T09:17:49.648Z"}}}, "cveMetadata": {"cveId": "CVE-2024-26897", "state": "PUBLISHED", "dateUpdated": "2024-11-05T09:17:49.648Z", "dateReserved": "2024-02-19T14:20:24.186Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-04-17T10:27:47.842Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath9k: delay all of ath9k_wmi_event_tasklet() until init is complete\n\nThe ath9k_wmi_event_tasklet() used in ath9k_htc assumes that all the data\nstructures have been fully initialised by the time it runs. However, because of\nthe order in which things are initialised, this is not guaranteed to be the\ncase, because the device is exposed to the USB subsystem before the ath9k driver\ninitialisation is completed.\n\nWe already committed a partial fix for this in commit:\n8b3046abc99e (\"ath9k_htc: fix NULL pointer dereference at ath9k_htc_tx_get_packet()\")\n\nHowever, that commit only aborted the WMI_TXSTATUS_EVENTID command in the event\ntasklet, pairing it with an \"initialisation complete\" bit in the TX struct. It\nseems syzbot managed to trigger the race for one of the other commands as well,\nso let's just move the existing synchronisation bit to cover the whole\ntasklet (setting it at the end of ath9k_htc_probe_device() instead of inside\nath9k_tx_init())."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: ath9k: retrasa todo ath9k_wmi_event_tasklet() hasta que se complete el inicio. El ath9k_wmi_event_tasklet() usado en ath9k_htc supone que todas las estructuras de datos se han inicializado por completo en el momento de su ejecuci\u00f3n. Sin embargo, debido al orden en que se inicializan las cosas, no se garantiza que este sea el caso, porque el dispositivo queda expuesto al subsistema USB antes de que se complete la inicializaci\u00f3n del controlador ath9k. Ya cometimos una soluci\u00f3n parcial para esto en la confirmaci\u00f3n: 8b3046abc99e (\"ath9k_htc: corrige la desreferencia del puntero NULL en ath9k_htc_tx_get_packet()\") Sin embargo, esa confirmaci\u00f3n solo abort\u00f3 el comando WMI_TXSTATUS_EVENTID en el tasklet de eventos, emparej\u00e1ndolo con un bit de \"inicializaci\u00f3n completa\" en la estructura TX. Parece que syzbot tambi\u00e9n logr\u00f3 activar la carrera para uno de los otros comandos, as\u00ed que simplemente movamos el bit de sincronizaci\u00f3n existente para cubrir todo el tasklet (configur\u00e1ndolo al final de ath9k_htc_probe_device() en lugar de dentro de ath9k_tx_init())."}], "id": "CVE-2024-26897", "lastModified": "2024-11-21T09:03:19.780", "metrics": {}, "published": "2024-04-17T11:15:10.773", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1bc5461a21c56a36e2a7d81e152b90ce019a3905"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/24355fcb0d4cbcb6ddda262596558e8cfba70f11"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4afa0246656d5680c8a4c3fb37ba6570c4ab819b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/74d0639261dd795dce958d1b14815bdcbb48a715"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a015fbf698c8957aa5fbeefc5c59dd2cf3107298"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ac90e22e735bac44f74b5161fb096fbeb0ff8bc2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f8ff4b4df71e87f609be0cc37d92e918107f9b90"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/1bc5461a21c56a36e2a7d81e152b90ce019a3905"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/24355fcb0d4cbcb6ddda262596558e8cfba70f11"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/4afa0246656d5680c8a4c3fb37ba6570c4ab819b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/74d0639261dd795dce958d1b14815bdcbb48a715"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/a015fbf698c8957aa5fbeefc5c59dd2cf3107298"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/ac90e22e735bac44f74b5161fb096fbeb0ff8bc2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/f8ff4b4df71e87f609be0cc37d92e918107f9b90"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2024:3627", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-553.5.1.rt7.346.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-06-05T00:00:00Z"}, {"advisory": "RHSA-2024:3618", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-553.5.1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-06-05T00:00:00Z"}, {"advisory": "RHSA-2024:5363", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.31.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-08-15T00:00:00Z"}, {"advisory": "RHSA-2024:5363", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.31.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-08-15T00:00:00Z"}, {"advisory": "RHSA-2024:5364", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "kernel-0:5.14.0-284.79.1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-08-14T00:00:00Z"}, {"advisory": "RHSA-2024:5365", "cpe": "cpe:/a:redhat:rhel_eus:9.2::nfv", "package": "kernel-rt-0:5.14.0-284.79.1.rt14.364.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-08-14T00:00:00Z"}], "bugzilla": {"description": "kernel: wifi: ath9k: delay all of ath9k_wmi_event_tasklet() until init is complete", "id": "2275655", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2275655"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-362", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: ath9k: delay all of ath9k_wmi_event_tasklet() until init is complete\nThe ath9k_wmi_event_tasklet() used in ath9k_htc assumes that all the data\nstructures have been fully initialised by the time it runs. However, because of\nthe order in which things are initialised, this is not guaranteed to be the\ncase, because the device is exposed to the USB subsystem before the ath9k driver\ninitialisation is completed.\nWe already committed a partial fix for this in commit:\n8b3046abc99e (\"ath9k_htc: fix NULL pointer dereference at ath9k_htc_tx_get_packet()\")\nHowever, that commit only aborted the WMI_TXSTATUS_EVENTID command in the event\ntasklet, pairing it with an \"initialisation complete\" bit in the TX struct. It\nseems syzbot managed to trigger the race for one of the other commands as well,\nso let's just move the existing synchronisation bit to cover the whole\ntasklet (setting it at the end of ath9k_htc_probe_device() instead of inside\nath9k_tx_init()).", "A flaw was found in the Linux kernel. This vulnerability affects the ath9k wireless driver in the Linux kernel, specifically used with ath9k_htc devices. The issue arises from a race condition where certain initialization processes are incomplete when the system begins handling WiFi-related events. The problem occurs because the device is exposed to the USB subsystem before the ath9k driver finishes initializing critical data structures.\nThis can lead to NULL pointer dereferences, which cause system crashes, particularly when running specific commands or handling events during WiFi operations. A partial fix had been applied earlier to prevent one aspect of this issue, but further problems were identified. The final resolution was to delay all event handling in the ath9k_wmi_event_tasklet() function until initialization is fully complete, ensuring stability."], "name": "CVE-2024-26897", "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": "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:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-04-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26897\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26897\nhttps://lore.kernel.org/linux-cve-announce/2024041744-CVE-2024-26897-5382@gregkh/T"], "threat_severity": "Moderate"}

{}