Debian: qemu Critical Privilege Escalation Fix DSA-5983-1

This update removes the usage of the C (Credential) flag for the
binfmt_misc registration within the qemu-user package, as it allowed for
privilege escalation when running a suid/sgid binary under qemu-user.
This means suid/sgid foreign-architecture binaries are not running with
elevated privileges under qemu-user anymore. If you relied on this
behavior of qemu-user in the past (running suid/sgid foreign-arch
binaries), this will require changes to your deployment.

In Bookworm the affected packages are qemu-user-static (and
qemu-user-binfmt) instead of qemu-user.

Additionally, two security issues were fixed the in SR-IOV support
of QEMU system emulation.

For the oldstable distribution (bookworm), these problems have been fixed
in version 1:7.2+dfsg-7+deb12u15.

For the stable distribution (trixie), these problems have been fixed in
version 1:10.0.2+ds-2+deb13u1.

We recommend that you upgrade your qemu packages.

For the detailed security status of qemu please refer to
its security tracker page at:
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