416baaa9-dc9f-4396-8d5f-8c081fb06d67NVD:CVE-2021-47086CVE-2021-47086
In the Linux kernel, the following vulnerability has been resolved:
phonet/pep: refuse to enable an unbound pipe
This ioctl() implicitly assumed that the socket was already bound to
a valid local socket name, i.e. Phonet object. If the socket was not
bound, two separate problems would occur:
- We’d send an pipe enablement request with an invalid source object.
- Later socket calls could BUG on the socket unexpectedly being
connected yet not bound to a valid object.
References
git.kernel.org/stable/c/0bbdd62ce9d44f3a22059b3d20a0df977d9f6d59
git.kernel.org/stable/c/311601f114859d586d5ef8833d60d3aa23282161
git.kernel.org/stable/c/48c76fc53582e7f13c1e0b11c916e503256c4d0b
git.kernel.org/stable/c/52ad5da8e316fa11e3a50b3f089aa63e4089bf52
git.kernel.org/stable/c/53ccdc73eedaf0e922c45b569b797d2796fbaafa
git.kernel.org/stable/c/75a2f31520095600f650597c0ac41f48b5ba0068
git.kernel.org/stable/c/982b6ba1ce626ef87e5c29f26f2401897554f235
git.kernel.org/stable/c/b10c7d745615a092a50c2e03ce70446d2bec2aca
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