Vulnerability Details CVE-2025-37813
In the Linux kernel, the following vulnerability has been resolved:
usb: xhci: Fix invalid pointer dereference in Etron workaround
This check is performed before prepare_transfer() and prepare_ring(), so
enqueue can already point at the final link TRB of a segment. And indeed
it will, some 0.4% of times this code is called.
Then enqueue + 1 is an invalid pointer. It will crash the kernel right
away or load some junk which may look like a link TRB and cause the real
link TRB to be replaced with a NOOP. This wouldn't end well.
Use a functionally equivalent test which doesn't dereference the pointer
and always gives correct result.
Something has crashed my machine twice in recent days while playing with
an Etron HC, and a control transfer stress test ran for confirmation has
just crashed it again. The same test passes with this patch applied.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 19.8%
CVSS Severity
CVSS v3 Score 5.5
Products affected by CVE-2025-37813
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cpe:2.3:o:linux:linux_kernel:6.11.11
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cpe:2.3:o:linux:linux_kernel:6.12.10
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cpe:2.3:o:linux:linux_kernel:6.12.11
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cpe:2.3:o:linux:linux_kernel:6.12.12
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cpe:2.3:o:linux:linux_kernel:6.12.13
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cpe:2.3:o:linux:linux_kernel:6.12.14
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cpe:2.3:o:linux:linux_kernel:6.12.15
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cpe:2.3:o:linux:linux_kernel:6.12.16
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cpe:2.3:o:linux:linux_kernel:6.12.17
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cpe:2.3:o:linux:linux_kernel:6.12.18
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cpe:2.3:o:linux:linux_kernel:6.12.19
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cpe:2.3:o:linux:linux_kernel:6.12.2
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cpe:2.3:o:linux:linux_kernel:6.12.20
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cpe:2.3:o:linux:linux_kernel:6.12.21
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cpe:2.3:o:linux:linux_kernel:6.12.22
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cpe:2.3:o:linux:linux_kernel:6.12.23
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cpe:2.3:o:linux:linux_kernel:6.12.24
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cpe:2.3:o:linux:linux_kernel:6.12.25
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cpe:2.3:o:linux:linux_kernel:6.12.3
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cpe:2.3:o:linux:linux_kernel:6.12.4
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cpe:2.3:o:linux:linux_kernel:6.12.5
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cpe:2.3:o:linux:linux_kernel:6.12.6
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cpe:2.3:o:linux:linux_kernel:6.12.7
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cpe:2.3:o:linux:linux_kernel:6.12.8
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cpe:2.3:o:linux:linux_kernel:6.12.9
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cpe:2.3:o:linux:linux_kernel:6.13
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cpe:2.3:o:linux:linux_kernel:6.13.1
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cpe:2.3:o:linux:linux_kernel:6.13.10
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cpe:2.3:o:linux:linux_kernel:6.13.11
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cpe:2.3:o:linux:linux_kernel:6.13.12
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cpe:2.3:o:linux:linux_kernel:6.13.2
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cpe:2.3:o:linux:linux_kernel:6.13.3
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cpe:2.3:o:linux:linux_kernel:6.13.4
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cpe:2.3:o:linux:linux_kernel:6.13.5
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cpe:2.3:o:linux:linux_kernel:6.13.6
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cpe:2.3:o:linux:linux_kernel:6.13.7
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cpe:2.3:o:linux:linux_kernel:6.13.8
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cpe:2.3:o:linux:linux_kernel:6.13.9
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cpe:2.3:o:linux:linux_kernel:6.14
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cpe:2.3:o:linux:linux_kernel:6.14.1
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cpe:2.3:o:linux:linux_kernel:6.14.2
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cpe:2.3:o:linux:linux_kernel:6.14.3
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cpe:2.3:o:linux:linux_kernel:6.14.4
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cpe:2.3:o:linux:linux_kernel:6.15
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cpe:2.3:o:linux:linux_kernel:6.6.66
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cpe:2.3:o:linux:linux_kernel:6.6.67
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cpe:2.3:o:linux:linux_kernel:6.6.68
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cpe:2.3:o:linux:linux_kernel:6.6.69
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cpe:2.3:o:linux:linux_kernel:6.6.70
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cpe:2.3:o:linux:linux_kernel:6.6.71
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cpe:2.3:o:linux:linux_kernel:6.6.72
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cpe:2.3:o:linux:linux_kernel:6.6.73
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cpe:2.3:o:linux:linux_kernel:6.6.74
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cpe:2.3:o:linux:linux_kernel:6.6.75
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cpe:2.3:o:linux:linux_kernel:6.6.76
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cpe:2.3:o:linux:linux_kernel:6.6.77
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cpe:2.3:o:linux:linux_kernel:6.6.78
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cpe:2.3:o:linux:linux_kernel:6.6.79
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cpe:2.3:o:linux:linux_kernel:6.6.80
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cpe:2.3:o:linux:linux_kernel:6.6.81
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cpe:2.3:o:linux:linux_kernel:6.6.82
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cpe:2.3:o:linux:linux_kernel:6.6.83
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cpe:2.3:o:linux:linux_kernel:6.6.84
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cpe:2.3:o:linux:linux_kernel:6.6.85
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cpe:2.3:o:linux:linux_kernel:6.6.86
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cpe:2.3:o:linux:linux_kernel:6.6.87
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cpe:2.3:o:linux:linux_kernel:6.6.88