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[SECURITY] [DLA 3604-1] qemu security update

Debian LTS Advisory DLA-3604-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                         Sean Whitton
October 05, 2023                              https://wiki.debian.org/LTS

Package        : qemu
Version        : 1:3.1+dfsg-8+deb10u11
CVE ID         : CVE-2020-24165 CVE-2023-0330 CVE-2023-3180
Debian Bug     : 1029155

Multiple issues were discovered in qemu, a fast processor emulator.


    A use-after-free race in the code generator could lead to the
    execution of arbitrary code.


    A DMA-MMIO reentrancy problem in the lsi53c895a device may lead to
    memory corruption bugs, such as stack overflow or use-after-free.


    The function virtio_crypto_sym_op_helper, part of the implementation
    of qemu's virtual crypto device, did not check that the values of
    'src_len' and 'dst_len' are the same.  This could lead to a heap
    buffer overflow.

For Debian 10 buster, these problems have been fixed in version

We recommend that you upgrade your qemu packages.

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

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

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