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Ubuntu 22.10 USN-5772-1 Moderate: QEMU Denial Of Service

ubuntu
Calendar Grey December 12, 2022
Dist Ubuntu Esm H88
Numerous vulnerabilities have been addressed in QEMU that impact various Ubuntu versions. It is advisable to upgrade promptly to reduce risks.
Several security issues were fixed in QEMU.

Summary

Several security issues were fixed in QEMU.

Software Description:

- qemu: Machine emulator and virtualizer

Details:

It was discovered that QEMU incorrectly handled bulk transfers from SPICE

clients. A remote attacker could use this issue to cause QEMU to crash,

resulting in a denial of service, or possibly execute arbitrary code. This

issue only affected Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. (CVE-2021-3682)

It was discovered that QEMU did not properly manage memory when it

transfers the USB packets. A malicious guest attacker could use this issue

to cause QEMU to crash, resulting in a denial of service, or possibly

execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu

20.04 LTS and Ubuntu 22.04 LTS. (CVE-2021-3750)

It was discovered that the QEMU SCSI device emulation incorrectly handled

certain MODE SELECT commands. An attacker inside the guest could possibly

use this issue to cause QEMU to crash, resulting in a denial of service.

This issue only affected...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service update Ubuntu threat mitigation QEMU

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.10:
  qemu-system                     1:7.0+dfsg-7ubuntu2.1
  qemu-system-arm                 1:7.0+dfsg-7ubuntu2.1
  qemu-system-mips                1:7.0+dfsg-7ubuntu2.1
  qemu-system-misc                1:7.0+dfsg-7ubuntu2.1
  qemu-system-ppc                 1:7.0+dfsg-7ubuntu2.1
  qemu-system-s390x               1:7.0+dfsg-7ubuntu2.1
  qemu-system-sparc               1:7.0+dfsg-7ubuntu2.1
  qemu-system-x86                 1:7.0+dfsg-7ubuntu2.1
  qemu-system-x86-xen             1:7.0+dfsg-7ubuntu2.1

Ubuntu 22.04 LTS:
  qemu                            1:6.2+dfsg-2ubuntu6.6
  qemu-system                     1:6.2+dfsg-2ubuntu6.6
  qemu-system-arm                 1:6.2+dfsg-2ubuntu6.6
  qemu-system-mips                1:6.2+dfsg-2ubuntu6.6
  qemu-system-misc                1:6.2+dfsg-2ubuntu6.6
  qemu-system-ppc                 1:6.2+dfsg-2ubuntu6.6
  qemu-system-s390x               1:6.2+dfsg-2ubuntu6.6
  qemu-system-sparc               1:6.2+dfsg-2ubuntu6.6
  qemu-system-x86                 1:6.2+dfsg-2ubuntu6.6
  qemu-system-x86-microvm         1:6.2+dfsg-2ubuntu6.6
  qemu-system-x86-xen             1:6.2+dfsg-2ubuntu6.6

Ubuntu 20.04 LTS:
  qemu                            1:4.2-3ubuntu6.24
  qemu-system                     1:4.2-3ubuntu6.24
  qemu-system-arm                 1:4.2-3ubuntu6.24
  qemu-system-mips                1:4.2-3ubuntu6.24
  qemu-system-misc                1:4.2-3ubuntu6.24
  qemu-system-ppc                 1:4.2-3ubuntu6.24
  qemu-system-s390x               1:4.2-3ubuntu6.24
  qemu-system-sparc               1:4.2-3ubuntu6.24
  qemu-system-x86                 1:4.2-3ubuntu6.24
  qemu-system-x86-microvm         1:4.2-3ubuntu6.24
  qemu-system-x86-xen             1:4.2-3ubuntu6.24

Ubuntu 18.04 LTS:
  qemu                            1:2.11+dfsg-1ubuntu7.41
  qemu-system                     1:2.11+dfsg-1ubuntu7.41
  qemu-system-arm                 1:2.11+dfsg-1ubuntu7.41
  qemu-system-mips                1:2.11+dfsg-1ubuntu7.41
  qemu-system-misc                1:2.11+dfsg-1ubuntu7.41
  qemu-system-ppc                 1:2.11+dfsg-1ubuntu7.41
  qemu-system-s390x               1:2.11+dfsg-1ubuntu7.41
  qemu-system-sparc               1:2.11+dfsg-1ubuntu7.41
  qemu-system-x86                 1:2.11+dfsg-1ubuntu7.41

Ubuntu 16.04 ESM:
  qemu                            1:2.5+dfsg-5ubuntu10.51+esm1
  qemu-system                     1:2.5+dfsg-5ubuntu10.51+esm1
  qemu-system-aarch64             1:2.5+dfsg-5ubuntu10.51+esm1
  qemu-system-arm                 1:2.5+dfsg-5ubuntu10.51+esm1
  qemu-system-mips                1:2.5+dfsg-5ubuntu10.51+esm1
  qemu-system-misc                1:2.5+dfsg-5ubuntu10.51+esm1
  qemu-system-ppc                 1:2.5+dfsg-5ubuntu10.51+esm1
  qemu-system-s390x               1:2.5+dfsg-5ubuntu10.51+esm1
  qemu-system-sparc               1:2.5+dfsg-5ubuntu10.51+esm1
  qemu-system-x86                 1:2.5+dfsg-5ubuntu10.51+esm1

Ubuntu 14.04 ESM:
  qemu                            2.0.0+dfsg-2ubuntu1.47+esm2
  qemu-system                     2.0.0+dfsg-2ubuntu1.47+esm2
  qemu-system-aarch64             2.0.0+dfsg-2ubuntu1.47+esm2
  qemu-system-arm                 2.0.0+dfsg-2ubuntu1.47+esm2
  qemu-system-mips                2.0.0+dfsg-2ubuntu1.47+esm2
  qemu-system-misc                2.0.0+dfsg-2ubuntu1.47+esm2
  qemu-system-ppc                 2.0.0+dfsg-2ubuntu1.47+esm2
  qemu-system-sparc               2.0.0+dfsg-2ubuntu1.47+esm2
  qemu-system-x86                 2.0.0+dfsg-2ubuntu1.47+esm2

After a standard system update you need to restart all QEMU virtual
machines to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5772-1

CVE-2021-3682, CVE-2021-3750, CVE-2021-3930, CVE-2022-0216,

CVE-2022-2962, CVE-2022-3165

December 12, 2022

Topics%20covered

Topics Covered

security advisory denial of service update Ubuntu threat mitigation QEMU

Package Information

https://launchpad.net/ubuntu/+source/qemu/1:7.0+dfsg-7ubuntu2.1
https://launchpad.net/ubuntu/+source/qemu/1:6.2+dfsg-2ubuntu6.6

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