This bug was fixed in the package qemu - 1:4.2-3ubuntu6.21
---------------
qemu (1:4.2-3ubuntu6.21) focal-security; urgency=medium
* SECURITY UPDATE: crash or code exec in USB redirector device emulation
- debian/patches/CVE-2021-3682.patch: fix free call in
hw/usb/redirect.c.
- CVE-2021-3682
* SECURITY UPDATE: heap use-after-free in virtio_net_receive_rcu
- debian/patches/CVE-2021-3748.patch: fix use after unmap/free for sg
in hw/net/virtio-net.c.
- CVE-2021-3748
* SECURITY UPDATE: off-by-one error in mode_sense_page()
- debian/patches/CVE-2021-3930.patch: MODE_PAGE_ALLS not allowed in
MODE SELECT commands in hw/scsi/scsi-disk.c.
- CVE-2021-3930
* SECURITY UPDATE: NULL dereference in floppy disk emulator
- debian/patches/CVE-2021-20196-1.patch: Extract
blk_create_empty_drive() in hw/block/fdc.c.
- debian/patches/CVE-2021-20196-2.patch: kludge missing floppy drive in
hw/block/fdc.c.
- CVE-2021-20196
* SECURITY UPDATE: integer overflow in vmxnet3 NIC emulator
- debian/patches/CVE-2021-20203.patch: validate configuration values
during activate in hw/net/vmxnet3.c.
- CVE-2021-20203
-- Marc Deslauriers <[email protected]> Tue, 22 Feb 2022
12:44:44 -0500
** Changed in: qemu (Ubuntu Focal)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-20196
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-20203
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-3682
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-3748
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-3930
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https://bugs.launchpad.net/bugs/1953338
Title:
[UBUNTU 20.04] KVM hardware diagnose data improvements for guest
kernel - qemu part
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