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nvd-json-data-feeds/CVE-2024/CVE-2024-410xx/CVE-2024-41036.json
cad-safe-bot 8ab901975d Auto-Update: 2024-09-10T20:00:17.735045+00:00
2024-09-10 20:03:19 +00:00

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{
"id": "CVE-2024-41036",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-07-29T15:15:12.170",
"lastModified": "2024-09-10T18:06:30.977",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ks8851: Fix deadlock with the SPI chip variant\n\nWhen SMP is enabled and spinlocks are actually functional then there is\na deadlock with the 'statelock' spinlock between ks8851_start_xmit_spi\nand ks8851_irq:\n\n watchdog: BUG: soft lockup - CPU#0 stuck for 27s!\n call trace:\n queued_spin_lock_slowpath+0x100/0x284\n do_raw_spin_lock+0x34/0x44\n ks8851_start_xmit_spi+0x30/0xb8\n ks8851_start_xmit+0x14/0x20\n netdev_start_xmit+0x40/0x6c\n dev_hard_start_xmit+0x6c/0xbc\n sch_direct_xmit+0xa4/0x22c\n __qdisc_run+0x138/0x3fc\n qdisc_run+0x24/0x3c\n net_tx_action+0xf8/0x130\n handle_softirqs+0x1ac/0x1f0\n __do_softirq+0x14/0x20\n ____do_softirq+0x10/0x1c\n call_on_irq_stack+0x3c/0x58\n do_softirq_own_stack+0x1c/0x28\n __irq_exit_rcu+0x54/0x9c\n irq_exit_rcu+0x10/0x1c\n el1_interrupt+0x38/0x50\n el1h_64_irq_handler+0x18/0x24\n el1h_64_irq+0x64/0x68\n __netif_schedule+0x6c/0x80\n netif_tx_wake_queue+0x38/0x48\n ks8851_irq+0xb8/0x2c8\n irq_thread_fn+0x2c/0x74\n irq_thread+0x10c/0x1b0\n kthread+0xc8/0xd8\n ret_from_fork+0x10/0x20\n\nThis issue has not been identified earlier because tests were done on\na device with SMP disabled and so spinlocks were actually NOPs.\n\nNow use spin_(un)lock_bh for TX queue related locking to avoid execution\nof softirq work synchronously that would lead to a deadlock."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: ks8851: Se corrige el interbloqueo con la variante del chip SPI Cuando SMP est\u00e1 habilitado y los spinlocks son realmente funcionales, entonces hay un interbloqueo con el spinlock 'statelock' entre ks8851_start_xmit_spi y ks8851_irq: watchdog: ERROR: bloqueo suave: \u00a1CPU n.\u00b0 0 se atasc\u00f3 durante 27 segundos! seguimiento de llamadas: queued_spin_lock_slowpath+0x100/0x284 do_raw_spin_lock+0x34/0x44 ks8851_start_xmit_spi+0x30/0xb8 ks8851_start_xmit+0x14/0x20 netdev_start_xmit+0x40/0x6c 0xbc sch_direct_xmit+0xa4/0x22c __qdisc_run+0x138/0x3fc qdisc_run+0x24/0x3c net_tx_action+ 0xf8/0x130 handle_softirqs+0x1ac/0x1f0 __do_softirq+0x14/0x20 ____do_softirq+0x10/0x1c call_on_irq_stack+0x3c/0x58 do_softirq_own_stack+0x1c/0x28 __irq_exit_rcu+0x54/0x9c _exit_rcu+0x10/0x1c el1_interrupt+0x38/0x50 el1h_64_irq_handler+0x18/0x24 el1h_64_irq+ 0x64/0x68 __netif_schedule+0x6c/0x80 netif_tx_wake_queue+0x38/0x48 ks8851_irq+0xb8/0x2c8 irq_thread_fn+0x2c/0x74 irq_thread+0x10c/0x1b0 kthread+0xc8/0xd8 k+0x10/0x20 Este problema no se identific\u00f3 anteriormente porque se realizaron pruebas en un dispositivo con SMP deshabilitado y, por lo tanto, los spinlocks eran en realidad NOP. Ahora use spin_(un)lock_bh para el bloqueo relacionado con la cola TX para evitar la ejecuci\u00f3n del trabajo de softirq de forma sincr\u00f3nica que conducir\u00eda a un punto muerto."
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-667"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
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"references": [
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"url": "https://git.kernel.org/stable/c/0913ec336a6c0c4a2b296bd9f74f8e41c4c83c8c",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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