CVE-2026-74531
N/A
N/A
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 249c88e7fb45b6b705040c5af4bd0d0f2bc9735c < 64d1645f26aa49b5a86ba2fccd0bb6749ea725a6 | affected |
| Linux | Linux | 227a0cdf4a028a73dc256d0f5144b4808d718893 < 963fb4b8e7d1ab07b4ae45bf15d41e667c88caca | affected |
| Linux | Linux | 227a0cdf4a028a73dc256d0f5144b4808d718893 < e8f9fef362bab431d95371d3406bc720350290c3 | affected |
| Linux | Linux | 227a0cdf4a028a73dc256d0f5144b4808d718893 < fa812cfa81aa3d4a7b6ce8277979af57b3f79712 | affected |
| Linux | Linux | 227a0cdf4a028a73dc256d0f5144b4808d718893 < 5761d003daa987ac81463f570713ce9c9dd204e5 | affected |
| Linux | Linux | 58afdc9b18871eb1d461c725be9e9f3f44a39aeb | affected |
| Linux | Linux | 6.6.51 < 6.6.151 | affected |
| Linux | Linux | 6.10.10 < 6.11 | affected |
| Linux | Linux | 6.11 | affected |
| Linux | Linux | 0 < 6.11 | unaffected |
| Linux | Linux | 6.6.151 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.103 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.44 <= 6.18.* | unaffected |
| Linux | Linux | 7.1.8 <= 7.1.* | unaffected |
| Linux | Linux | 7.2-rc6 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/64d1645f26aa49b5a86ba2fccd0bb6749ea725a6
- https://git.kernel.org/stable/c/963fb4b8e7d1ab07b4ae45bf15d41e667c88caca
- https://git.kernel.org/stable/c/e8f9fef362bab431d95371d3406bc720350290c3
- https://git.kernel.org/stable/c/fa812cfa81aa3d4a7b6ce8277979af57b3f79712
- https://git.kernel.org/stable/c/5761d003daa987ac81463f570713ce9c9dd204e5
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