{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-20T15:19:31.464","vulnerabilities":[{"cve":{"id":"CVE-2024-36930","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-05-30T16:15:16.217","lastModified":"2024-11-21T09:22:50.657","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nspi: fix null pointer dereference within spi_sync\n\nIf spi_sync() is called with the non-empty queue and the same spi_message\nis then reused, the complete callback for the message remains set while\nthe context is cleared, leading to a null pointer dereference when the\ncallback is invoked from spi_finalize_current_message().\n\nWith function inlining disabled, the call stack might look like this:\n\n  _raw_spin_lock_irqsave from complete_with_flags+0x18/0x58\n  complete_with_flags from spi_complete+0x8/0xc\n  spi_complete from spi_finalize_current_message+0xec/0x184\n  spi_finalize_current_message from spi_transfer_one_message+0x2a8/0x474\n  spi_transfer_one_message from __spi_pump_transfer_message+0x104/0x230\n  __spi_pump_transfer_message from __spi_transfer_message_noqueue+0x30/0xc4\n  __spi_transfer_message_noqueue from __spi_sync+0x204/0x248\n  __spi_sync from spi_sync+0x24/0x3c\n  spi_sync from mcp251xfd_regmap_crc_read+0x124/0x28c [mcp251xfd]\n  mcp251xfd_regmap_crc_read [mcp251xfd] from _regmap_raw_read+0xf8/0x154\n  _regmap_raw_read from _regmap_bus_read+0x44/0x70\n  _regmap_bus_read from _regmap_read+0x60/0xd8\n  _regmap_read from regmap_read+0x3c/0x5c\n  regmap_read from mcp251xfd_alloc_can_err_skb+0x1c/0x54 [mcp251xfd]\n  mcp251xfd_alloc_can_err_skb [mcp251xfd] from mcp251xfd_irq+0x194/0xe70 [mcp251xfd]\n  mcp251xfd_irq [mcp251xfd] from irq_thread_fn+0x1c/0x78\n  irq_thread_fn from irq_thread+0x118/0x1f4\n  irq_thread from kthread+0xd8/0xf4\n  kthread from ret_from_fork+0x14/0x28\n\nFix this by also setting message->complete to NULL when the transfer is\ncomplete."},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: spi: corrige la desreferencia del puntero nulo dentro de spi_sync Si se llama a spi_sync() con la cola no vacía y luego se reutiliza el mismo spi_message, la devolución de llamada completa para el mensaje permanece configurada mientras el el contexto se borra, lo que lleva a una desreferencia del puntero nulo cuando se invoca la devolución de llamada desde spi_finalize_current_message(). Con la función incorporada deshabilitada, la pila de llamadas podría verse así: _raw_spin_lock_irqsave from complete_with_flags+0x18/0x58 complete_with_flags from spi_complete+0x8/0xc spi_complete from spi_finalize_current_message+0xec/0x184 spi_finalize_current_message from spi_transfer_one_message+0x2 a8/0x474 spi_transfer_one_message de __spi_pump_transfer_message+0x104/0x230 __spi_pump_transfer_message de __spi_transfer_message_noqueue+0x30/0xc4 __spi_transfer_message_noqueue de __spi_sync+0x204/0x248 __spi_sync de spi_sync+0x24/0x3c spi_sync de mcp251xfd_regmap_crc_read+0x124/0x28c fd] mcp251xfd_regmap_crc_read [mcp251xfd] de _regmap_raw_read+0xf8/0x154 _regmap_raw_read de _regmap_bus_read+0x44/0x70 _regmap_bus_read de _regmap_read+ 0x60/0xd8 _regmap_read de regmap_read+0x3c/0x5c regmap_read de mcp251xfd_alloc_can_err_skb+0x1c/0x54 [mcp251xfd] mcp251xfd_alloc_can_err_skb [mcp251xfd] de mcp251xfd_irq+0x19 4/0xe70 [mcp251xfd] mcp251xfd_irq [mcp251xfd] de irq_thread_fn+0x1c/0x78 irq_thread_fn de irq_thread+0x118/0x1f4 irq_thread de kthread+0xd8/0xf4 kthread de ret_from_fork+0x14/0x28 Solucione este problema configurando también mensaje->completo en NULL cuando se complete la transferencia."}],"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","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-476"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.1.91","matchCriteriaId":"54C26F9A-8376-491B-B07E-65C07B72B8D9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.31","matchCriteriaId":"CDDB1F69-36AC-41C1-9192-E7CCEF5FFC00"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.8.10","matchCriteriaId":"6A6B920C-8D8F-4130-86B4-AD334F4CF2E3"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/2070d008cc08bff50a58f0f4d30f12d3ebf94c00","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/4756fa529b2f12b7cb8f21fe229b0f6f47190829","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/a30659f1576d2c8e62e7426232bb18b885fd951a","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/e005d6754e3e440257006795b687c4ad8733b493","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/2070d008cc08bff50a58f0f4d30f12d3ebf94c00","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/4756fa529b2f12b7cb8f21fe229b0f6f47190829","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/a30659f1576d2c8e62e7426232bb18b885fd951a","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/e005d6754e3e440257006795b687c4ad8733b493","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]}]}}]}