{
  "threat_severity" : "Moderate",
  "public_date" : "2024-05-30T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: spi: fix null pointer dereference within spi_sync",
    "id" : "2284494",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2284494"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-476",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nspi: fix null pointer dereference within spi_sync\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().\nWith function inlining disabled, the call stack might look like this:\n_raw_spin_lock_irqsave from complete_with_flags+0x18/0x58\ncomplete_with_flags from spi_complete+0x8/0xc\nspi_complete from spi_finalize_current_message+0xec/0x184\nspi_finalize_current_message from spi_transfer_one_message+0x2a8/0x474\nspi_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\nspi_sync from mcp251xfd_regmap_crc_read+0x124/0x28c [mcp251xfd]\nmcp251xfd_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\nregmap_read from mcp251xfd_alloc_can_err_skb+0x1c/0x54 [mcp251xfd]\nmcp251xfd_alloc_can_err_skb [mcp251xfd] from mcp251xfd_irq+0x194/0xe70 [mcp251xfd]\nmcp251xfd_irq [mcp251xfd] from irq_thread_fn+0x1c/0x78\nirq_thread_fn from irq_thread+0x118/0x1f4\nirq_thread from kthread+0xd8/0xf4\nkthread from ret_from_fork+0x14/0x28\nFix this by also setting message->complete to NULL when the transfer is\ncomplete." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-11-12T00:00:00Z",
    "advisory" : "RHSA-2024:9315",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-503.11.1.el9_5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-11-12T00:00:00Z",
    "advisory" : "RHSA-2024:9315",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-503.11.1.el9_5"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2024-36930\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-36930\nhttps://lore.kernel.org/linux-cve-announce/2024053041-CVE-2024-36930-8906@gregkh/T" ],
  "name" : "CVE-2024-36930",
  "csaw" : false
}