mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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68 lines
4.1 KiB
JSON
68 lines
4.1 KiB
JSON
{
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"id": "CVE-2024-36908",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-05-30T16:15:14.300",
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"lastModified": "2024-11-21T09:22:47.393",
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"vulnStatus": "Awaiting Analysis",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblk-iocost: do not WARN if iocg was already offlined\n\nIn iocg_pay_debt(), warn is triggered if 'active_list' is empty, which\nis intended to confirm iocg is active when it has debt. However, warn\ncan be triggered during a blkcg or disk removal, if iocg_waitq_timer_fn()\nis run at that time:\n\n WARNING: CPU: 0 PID: 2344971 at block/blk-iocost.c:1402 iocg_pay_debt+0x14c/0x190\n Call trace:\n iocg_pay_debt+0x14c/0x190\n iocg_kick_waitq+0x438/0x4c0\n iocg_waitq_timer_fn+0xd8/0x130\n __run_hrtimer+0x144/0x45c\n __hrtimer_run_queues+0x16c/0x244\n hrtimer_interrupt+0x2cc/0x7b0\n\nThe warn in this situation is meaningless. Since this iocg is being\nremoved, the state of the 'active_list' is irrelevant, and 'waitq_timer'\nis canceled after removing 'active_list' in ioc_pd_free(), which ensures\niocg is freed after iocg_waitq_timer_fn() returns.\n\nTherefore, add the check if iocg was already offlined to avoid warn\nwhen removing a blkcg or disk."
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},
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{
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"lang": "es",
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: blk-iocost: no ADVERTIR si iocg ya estaba desconectado. En iocg_pay_debt(), se activa una advertencia si 'active_list' est\u00e1 vac\u00eda, lo que pretende confirmar que iocg est\u00e1 activo cuando deuda. Sin embargo, se puede activar una advertencia durante un blkcg o la eliminaci\u00f3n de un disco, si se ejecuta iocg_waitq_timer_fn() en ese momento: ADVERTENCIA: CPU: 0 PID: 2344971 en block/blk-iocost.c:1402 iocg_pay_debt+0x14c/0x190 Seguimiento de llamadas: iocg_pay_debt +0x14c/0x190 iocg_kick_waitq+0x438/0x4c0 iocg_waitq_timer_fn+0xd8/0x130 __run_hrtimer+0x144/0x45c __hrtimer_run_queues+0x16c/0x244 hrtimer_interrupt+0x2cc/0x7b0 La advertencia en esta situaci\u00f3n es sin sentido. Dado que este iocg se est\u00e1 eliminando, el estado de 'active_list' es irrelevante y 'waitq_timer' se cancela despu\u00e9s de eliminar 'active_list' en ioc_pd_free(), lo que garantiza que iocg se libere despu\u00e9s de que iocg_waitq_timer_fn() regrese. Por lo tanto, agregue la verificaci\u00f3n si iocg ya estaba desconectado para evitar advertencias al eliminar un blkcg o un disco."
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"type": "Secondary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
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"baseScore": 7.1,
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"baseSeverity": "HIGH",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 5.2
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}
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]
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},
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/01bc4fda9ea0a6b52f12326486f07a4910666cf6",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/14b3275f93d4a0d8ddc02195bc4e9869b7a3700e",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/1c172ac7afe4442964f4153b2c78fe4e005d9d67",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/01bc4fda9ea0a6b52f12326486f07a4910666cf6",
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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},
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{
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"url": "https://git.kernel.org/stable/c/14b3275f93d4a0d8ddc02195bc4e9869b7a3700e",
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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},
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{
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"url": "https://git.kernel.org/stable/c/1c172ac7afe4442964f4153b2c78fe4e005d9d67",
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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}
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]
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} |