VYPR
Unrated severityNVD Advisory· Published Oct 1, 2025

crypto: xts - Handle EBUSY correctly

CVE-2023-53494

Description

In the Linux kernel, the following vulnerability has been resolved:

crypto: xts - Handle EBUSY correctly

As it is xts only handles the special return value of EINPROGRESS, which means that in all other cases it will free data related to the request.

However, as the caller of xts may specify MAY_BACKLOG, we also need to expect EBUSY and treat it in the same way. Otherwise backlogged requests will trigger a use-after-free.

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Affected products

161

Patches

Vulnerability mechanics

References

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