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CVE PROGRAM SOURCE RECORD8.8 High

CVE-2026-74531

Bluetooth: hci_conn: hold conn reference in abort_conn_sync()

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_conn: hold conn reference in abort_conn_sync() There is theoretical UAF if the conn is freed while the hci_sync task is running. Hold refcount to avoid that.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 249c88e7fb45b6b705040c5af4bd0d0f2bc9735c to < 64d1645f26aa49b5a86ba2fccd0bb6749ea725a6affected
  • 227a0cdf4a028a73dc256d0f5144b4808d718893 to < 963fb4b8e7d1ab07b4ae45bf15d41e667c88cacaaffected
  • 227a0cdf4a028a73dc256d0f5144b4808d718893 to < e8f9fef362bab431d95371d3406bc720350290c3affected
  • 227a0cdf4a028a73dc256d0f5144b4808d718893 to < fa812cfa81aa3d4a7b6ce8277979af57b3f79712affected
  • 227a0cdf4a028a73dc256d0f5144b4808d718893 to < 5761d003daa987ac81463f570713ce9c9dd204e5affected
  • 7fe4d391e937c2f048a43ff4b421e677f10d83c0affected
  • 58afdc9b18871eb1d461c725be9e9f3f44a39aebaffected
  • 6.6.51 to < 6.6.151affected
  • 6.1.184 to < 6.2affected
  • 6.10.10 to < 6.11affected

Linux Linux

Default version status: affected

  • 6.11affected
  • 0 to < 6.11unaffected
  • 6.6.151 to ≤ 6.6.*unaffected
  • 6.12.103 to ≤ 6.12.*unaffected
  • 6.18.44 to ≤ 6.18.*unaffected
  • 7.1.8 to ≤ 7.1.*unaffected
  • 7.2 to ≤ *unaffected

References