Description
QEMU before 8.2.0 has an integer underflow, and resultant buffer overflow, via a TI command when an expected non-DMA transfer length is less than the length of the available FIFO data. This occurs in esp_do_nodma in hw/scsi/esp.c because of an underflow of async_len.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | qemu | 1:8.2.0+ds-1 | — |
| Debian 13 | qemu | 1:8.2.0+ds-1 | — |
| Debian 12 | qemu | 1:7.2+dfsg-7+deb12u3 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | qemu | 1:6.2+dfsg-2ubuntu6.22 | USN-6954-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | qemu | 7.1.0-150500.49.12.1 | SUSE-SU-2024:1103-1 |
| SLES 15 SP4 | qemu | 6.2.0-150400.37.29.1 | SUSE-SU-2024:1394-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP4 | qemu | 6.2.0-150400.37.29.1 | SUSE-SU-2024:1394-1 |
| SLE Micro 5.5 | qemu | 7.1.0-150500.49.12.1 | SUSE-SU-2024:1103-1 |
| SLE Micro 5.4 | qemu | 6.2.0-150400.37.29.1 | SUSE-SU-2024:1394-1 |
| SLE Micro 5.3 | qemu | 6.2.0-150400.37.29.1 | SUSE-SU-2024:1394-1 |
| SLE HPC 15 SP4 | qemu | 6.2.0-150400.37.29.1 | SUSE-SU-2024:1394-1 |
| SUSE Manager Server 4.3 | qemu | 6.2.0-150400.37.29.1 | SUSE-SU-2024:1394-1 |
| SUSE Manager Proxy 4.3 | qemu | 6.2.0-150400.37.29.1 | SUSE-SU-2024:1394-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.5 | qemu | 7.1.0-150500.49.12.1 | SUSE-SU-2024:1103-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.4 | qemu | 6.2.0-150400.37.29.1 | SUSE-SU-2024:1394-1 |
| openSUSE Leap Micro 5.3 | qemu | 6.2.0-150400.37.29.1 | SUSE-SU-2024:1394-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | qemu | 6.2.0-20 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | qemu-img +9 | 30:7.2.0-11.el9 | ELSA-2024-12407 |
| Oracle Linux 8 | hivex +4 | 1.3.18-23.module+el8.9.0+90173+a3f3e83a | ELSA-2024-12605, ELSA-2024-12276 |
| Oracle Linux 8 | libguestfs-winsupport | 8.6-1.module+el8.10.0+90374+95a91213 | ELSA-2024-12605, ELSA-2024-12276 |
| Oracle Linux 8 | libiscsi +2 | 1.18.0-8.module+el8.9.0+90173+a3f3e83a | ELSA-2024-12605, ELSA-2024-12276 |
| Oracle Linux 8 | libnbd +4 | 1.6.0-5.module+el8.9.0+90173+a3f3e83a | ELSA-2024-12605, ELSA-2024-12276 |
| Oracle Linux 8 | libtpms +1 | 0.9.1-0.20211126git1ff6fe1f43.module+el8.10.0+90374+95a91213 | ELSA-2024-12605, ELSA-2024-12276 |
| Oracle Linux 8 | libvirt +28 | 7.10.0-4.module+el8.10.0+90374+95a91213 | ELSA-2024-12605, ELSA-2024-12276 |
| Oracle Linux 8 | libvirt-client-qemu | 9.0.0-5.module+el8.9.0+90173+a3f3e83a | ELSA-2024-12276 |
| Oracle Linux 8 | libvirt-dbus | 1.3.0-2.module+el8.9.0+90173+a3f3e83a | ELSA-2024-12605, ELSA-2024-12276 |
| Oracle Linux 8 | nbdkit +18 | 1.24.0-4.module+el8.10.0+90374+95a91213 | ELSA-2024-12605, ELSA-2024-12276 |
| Oracle Linux 8 | netcf +2 | 0.2.8-12.module+el8.9.0+90173+a3f3e83a | ELSA-2024-12605, ELSA-2024-12276 |
| Oracle Linux 8 | perl-Sys-Virt | 6.0.0-1.module+el8.10.0+90374+95a91213 | ELSA-2024-12605, ELSA-2024-12276 |
| Oracle Linux 8 | qemu-img +10 | 15:6.1.1-9.module+el8.10.0+90374+95a91213 | ELSA-2024-12605, ELSA-2024-12276 |
| Oracle Linux 8 | seabios +2 | 1.15.0-2.module+el8.10.0+90374+95a91213 | ELSA-2024-12605, ELSA-2024-12276 |
| Oracle Linux 8 | sgabios +1 | 1:0.20170427git-3.module+el8.9.0+90173+a3f3e83a | ELSA-2024-12605, ELSA-2024-12276 |
| Oracle Linux 8 | supermin +1 | 5.2.1-1.module+el8.10.0+90374+95a91213 | ELSA-2024-12605, ELSA-2024-12276 |
| Oracle Linux 8 | swtpm +4 | 0.7.0-3.20211109gitb79fd91.module+el8.10.0+90374+95a91213 | ELSA-2024-12605, ELSA-2024-12276 |
| Oracle Linux 8 | virt-dib +22 | 1:1.44.0-5.0.1.module+el8.10.0+90374+95a91213 | ELSA-2024-12605, ELSA-2024-12276 |
| Oracle Linux 8 | virt-v2v +3 | 1:1.42.0-19.0.1.module+el8.10.0+90374+95a91213 | ELSA-2024-12605, ELSA-2024-12276 |
Advisories 7
- USN-6954-1 qemu vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2024:1103-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:1394-1 Security update for qemu SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-0437 QEMU: Schwachstelle ermöglicht Codeausführung BSI CERT-Bund (WID) · Oct 23, 2024
- ELSA-2024-12605 Important: virt:kvm_utils2 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Sep 2, 2024
- ELSA-2024-12407 Moderate: qemu-kvm security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jun 3, 2024
- ELSA-2024-12276 Moderate: virt:kvm_utils3 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Apr 10, 2024