Alerts This Week
Warning Icon 1 1,153
Alerts This Week
Warning Icon 1 1,153

Ubuntu 22.04 LTS: QEMU Important Denial of Service Issues USN-7744-1

ubuntu
Calendar Grey September 11, 2025
Dist Ubuntu Esm H88
Numerous vulnerabilities within QEMU impact Ubuntu 22.04 LTS, resulting in potential service disruption. Urgent patches released.
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 certain virtio devices. A

privileged guest attacker could use this issue to cause QEMU to crash,

leading to a denial of service, or possibly execute arbitrary code. This

issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2024-3446)

It was discovered that QEMU incorrectly handled SDHCI device emulation. A

guest attacker could possibly use this issue to cause QEMU to crash,

leading to a denial of service. This issue only affected Ubuntu 22.04 LTS

and Ubuntu 24.04 LTS. (CVE-2024-3447)

It was discovered that QEMU incorrectly handled calculating the checksum

of a short-sized fragmented packet. A guest attacker could possibly use

this issue to cause QEMU to crash, leading to a denial of service. This

issue only affected Ubuntu 24.04 LTS. (CVE-2024-3567)

It was discovered that the QEMU qemu-img utility incorr...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu vulnerability important QEMU

Update Instructions

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

Ubuntu 25.04
  qemu-system                     1:9.2.1+ds-1ubuntu5.2
  qemu-system-arm                 1:9.2.1+ds-1ubuntu5.2
  qemu-system-mips                1:9.2.1+ds-1ubuntu5.2
  qemu-system-misc                1:9.2.1+ds-1ubuntu5.2
  qemu-system-ppc                 1:9.2.1+ds-1ubuntu5.2
  qemu-system-riscv               1:9.2.1+ds-1ubuntu5.2
  qemu-system-s390x               1:9.2.1+ds-1ubuntu5.2
  qemu-system-sparc               1:9.2.1+ds-1ubuntu5.2
  qemu-system-x86                 1:9.2.1+ds-1ubuntu5.2
  qemu-system-x86-xen             1:9.2.1+ds-1ubuntu5.2
  qemu-system-xen                 1:9.2.1+ds-1ubuntu5.2

Ubuntu 24.04 LTS
  qemu-system                     1:8.2.2+ds-0ubuntu1.10
  qemu-system-arm                 1:8.2.2+ds-0ubuntu1.10
  qemu-system-mips                1:8.2.2+ds-0ubuntu1.10
  qemu-system-misc                1:8.2.2+ds-0ubuntu1.10
  qemu-system-ppc                 1:8.2.2+ds-0ubuntu1.10
  qemu-system-s390x               1:8.2.2+ds-0ubuntu1.10
  qemu-system-sparc               1:8.2.2+ds-0ubuntu1.10
  qemu-system-x86                 1:8.2.2+ds-0ubuntu1.10
  qemu-system-x86-xen             1:8.2.2+ds-0ubuntu1.10
  qemu-system-xen                 1:8.2.2+ds-0ubuntu1.10

Ubuntu 22.04 LTS
  qemu-system                     1:6.2+dfsg-2ubuntu6.27
  qemu-system-arm                 1:6.2+dfsg-2ubuntu6.27
  qemu-system-mips                1:6.2+dfsg-2ubuntu6.27
  qemu-system-misc                1:6.2+dfsg-2ubuntu6.27
  qemu-system-ppc                 1:6.2+dfsg-2ubuntu6.27
  qemu-system-s390x               1:6.2+dfsg-2ubuntu6.27
  qemu-system-sparc               1:6.2+dfsg-2ubuntu6.27
  qemu-system-x86                 1:6.2+dfsg-2ubuntu6.27
  qemu-system-x86-microvm         1:6.2+dfsg-2ubuntu6.27
  qemu-system-x86-xen             1:6.2+dfsg-2ubuntu6.27

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-7744-1

CVE-2024-3446, CVE-2024-3447, CVE-2024-3567, CVE-2024-4467,

CVE-2024-6505, CVE-2024-7409, CVE-2024-8354,

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7744-1

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu vulnerability important QEMU

Package Information

https://launchpad.net/ubuntu/+source/qemu/1:8.2.2+ds-0ubuntu1.10
https://launchpad.net/ubuntu/+source/qemu/1:6.2+dfsg-2ubuntu6.27

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here