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| CVE | Published | CVSS | ShadowTrackr CVSS | Summary |
|---|---|---|---|---|
CVE: CVE-2022-49732 | Published 2025-02-26 | CVSS: 5.5 | ShadowTrackr CVSS: 1.9 | Summary: In the Linux kernel, the following vulnerability has been resolved:
sock: redo the psock vs ULP protection check
Commit 8a59f9d1e3d4 ("sock: Introduce sk->sk_prot->psock_update_sk_prot()")
has moved the inet_csk_has_ulp(sk) check from sk_psock_init() to
the new tcp_bpf_update_proto() function. I'm guessing that this
was done to allow creating psocks for non-inet sockets.
Unfortunately the destruction path for psock includes the ULP
unwind, so we need to fail the sk_psock_init() itself.
Otherwise if ULP is already present we'll notice that later,
and call tcp_update_ulp() with the sk_proto of the ULP
itself, which will most likely result in the ULP looping
its callbacks. |