CVE-2024-36930 (GCVE-0-2024-36930)

Vulnerability from cvelistv5 – Published: 2024-05-30 15:29 – Updated: 2026-05-11 20:17
VLAI
Title
spi: fix null pointer dereference within spi_sync
Summary
In the Linux kernel, the following vulnerability has been resolved: spi: fix null pointer dereference within spi_sync If spi_sync() is called with the non-empty queue and the same spi_message is then reused, the complete callback for the message remains set while the context is cleared, leading to a null pointer dereference when the callback is invoked from spi_finalize_current_message(). With function inlining disabled, the call stack might look like this: _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+0x2a8/0x474 spi_transfer_one_message from __spi_pump_transfer_message+0x104/0x230 __spi_pump_transfer_message from __spi_transfer_message_noqueue+0x30/0xc4 __spi_transfer_message_noqueue from __spi_sync+0x204/0x248 __spi_sync from spi_sync+0x24/0x3c spi_sync from mcp251xfd_regmap_crc_read+0x124/0x28c [mcp251xfd] mcp251xfd_regmap_crc_read [mcp251xfd] from _regmap_raw_read+0xf8/0x154 _regmap_raw_read from _regmap_bus_read+0x44/0x70 _regmap_bus_read from _regmap_read+0x60/0xd8 _regmap_read from regmap_read+0x3c/0x5c regmap_read from mcp251xfd_alloc_can_err_skb+0x1c/0x54 [mcp251xfd] mcp251xfd_alloc_can_err_skb [mcp251xfd] from mcp251xfd_irq+0x194/0xe70 [mcp251xfd] mcp251xfd_irq [mcp251xfd] from irq_thread_fn+0x1c/0x78 irq_thread_fn from irq_thread+0x118/0x1f4 irq_thread from kthread+0xd8/0xf4 kthread from ret_from_fork+0x14/0x28 Fix this by also setting message->complete to NULL when the transfer is complete.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: ae7d2346dc89ae89a6e0aabe6037591a11e593c0 , < e005d6754e3e440257006795b687c4ad8733b493 (git)
Affected: ae7d2346dc89ae89a6e0aabe6037591a11e593c0 , < a30659f1576d2c8e62e7426232bb18b885fd951a (git)
Affected: ae7d2346dc89ae89a6e0aabe6037591a11e593c0 , < 2070d008cc08bff50a58f0f4d30f12d3ebf94c00 (git)
Affected: ae7d2346dc89ae89a6e0aabe6037591a11e593c0 , < 4756fa529b2f12b7cb8f21fe229b0f6f47190829 (git)
Create a notification for this product.
Linux Linux Affected: 6.0
Unaffected: 0 , < 6.0 (semver)
Unaffected: 6.1.91 , ≤ 6.1.* (semver)
Unaffected: 6.6.31 , ≤ 6.6.* (semver)
Unaffected: 6.8.10 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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Con la funci\u00f3n incorporada deshabilitada, la pila de llamadas podr\u00eda verse as\u00ed: _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 tambi\u00e9n mensaje-\u0026gt;completo en NULL cuando se complete la transferencia.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/spi/spi.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"ae7d2346dc89ae89a6e0aabe6037591a11e593c0\",\"lessThan\":\"e005d6754e3e440257006795b687c4ad8733b493\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"ae7d2346dc89ae89a6e0aabe6037591a11e593c0\",\"lessThan\":\"a30659f1576d2c8e62e7426232bb18b885fd951a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"ae7d2346dc89ae89a6e0aabe6037591a11e593c0\",\"lessThan\":\"2070d008cc08bff50a58f0f4d30f12d3ebf94c00\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"ae7d2346dc89ae89a6e0aabe6037591a11e593c0\",\"lessThan\":\"4756fa529b2f12b7cb8f21fe229b0f6f47190829\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/spi/spi.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"6.0\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"6.0\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.91\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.31\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.8.10\",\"lessThanOrEqual\":\"6.8.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.9\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"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}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-09-10T17:15:54.638242Z\",\"id\":\"CVE-2024-36930\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA 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    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/e005d6754e3e440257006795b687c4ad8733b493\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/a30659f1576d2c8e62e7426232bb18b885fd951a\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/2070d008cc08bff50a58f0f4d30f12d3ebf94c00\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/4756fa529b2f12b7cb8f21fe229b0f6f47190829\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T03:43:50.051Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-36930\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T17:15:54.638242Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T12:42:27.378Z\"}}], \"cna\": {\"title\": \"spi: fix null pointer dereference within spi_sync\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"ae7d2346dc89ae89a6e0aabe6037591a11e593c0\", \"lessThan\": \"e005d6754e3e440257006795b687c4ad8733b493\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"ae7d2346dc89ae89a6e0aabe6037591a11e593c0\", \"lessThan\": \"a30659f1576d2c8e62e7426232bb18b885fd951a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"ae7d2346dc89ae89a6e0aabe6037591a11e593c0\", \"lessThan\": \"2070d008cc08bff50a58f0f4d30f12d3ebf94c00\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"ae7d2346dc89ae89a6e0aabe6037591a11e593c0\", \"lessThan\": \"4756fa529b2f12b7cb8f21fe229b0f6f47190829\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/spi/spi.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.0\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.0\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.1.91\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.31\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8.10\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.8.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/spi/spi.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/e005d6754e3e440257006795b687c4ad8733b493\"}, {\"url\": \"https://git.kernel.org/stable/c/a30659f1576d2c8e62e7426232bb18b885fd951a\"}, {\"url\": \"https://git.kernel.org/stable/c/2070d008cc08bff50a58f0f4d30f12d3ebf94c00\"}, {\"url\": \"https://git.kernel.org/stable/c/4756fa529b2f12b7cb8f21fe229b0f6f47190829\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"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-\u003ecomplete to NULL when the transfer is\\ncomplete.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.91\", \"versionStartIncluding\": \"6.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.31\", \"versionStartIncluding\": \"6.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8.10\", \"versionStartIncluding\": \"6.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9\", \"versionStartIncluding\": \"6.0\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:12:18.730Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-36930\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T09:12:18.730Z\", \"dateReserved\": \"2024-05-30T15:25:07.070Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-30T15:29:22.012Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.