Description
A use-after-free vulnerability was found in the QEMU LSI53C895A SCSI Host Bus Adapter emulation. This issue can lead to a crash or VM escape.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | qemu | — | — |
| Red Hat | Red Hat Enterprise Linux 6 | — | — |
| Red Hat | Red Hat Enterprise Linux 7 | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
| Red Hat | Red Hat Enterprise Linux 8 Advanced Virtualization | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
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 | 1:11.0.0+ds-1 | — |
| Debian 13 | qemu | 1:10.0.10+ds-0+deb13u1 | — |
| Debian 12 | qemu | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | qemu +1 | No fix yet | — |
| Ubuntu 26.04 LTS | qemu +1 | No fix yet | — |
| Ubuntu 25.10 | qemu | 1:10.1.0+ds-5ubuntu2.6 | — |
| Ubuntu 24.04 LTS | qemu | 1:8.2.2+ds-0ubuntu1.16 | — |
| Ubuntu 22.04 LTS | qemu | 1:6.2+dfsg-2ubuntu6.30 | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | qemu | 1:4.2-3ubuntu6.30+esm1 | — |
| Ubuntu Pro 18.04 LTS | qemu | 1:2.11+dfsg-1ubuntu7.42+esm5 | — |
| Ubuntu Pro 16.04 LTS | qemu | 1:2.5+dfsg-5ubuntu10.51+esm4 | — |
| Ubuntu Pro 14.04 LTS | qemu | 2.0.0+dfsg-2ubuntu1.47+esm6 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | qemu +26 | 10:3.1.0-8.amzn2.0.19 | ALAS2-2025-2742 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | qemu-img +10 | 31:7.2.0-42.el9 | ELSA-2026-500220 |
| Oracle Linux 8 | hivex +4 | 1.3.18-23.module+el8.10.0+90906+a4794619 | ELSA-2026-50337 |
| Oracle Linux 8 | libguestfs-winsupport | 8.10-1.module+el8.10.0+90906+a4794619 | ELSA-2026-50337 |
| Oracle Linux 8 | libiscsi +2 | 1.18.0-8.module+el8.10.0+90906+a4794619 | ELSA-2026-50337 |
| Oracle Linux 8 | libnbd +4 | 1.6.0-6.module+el8.10.0+90906+a4794619 | ELSA-2026-50337 |
| Oracle Linux 8 | libtpms +1 | 0.9.1-3.20211126git1ff6fe1f43.module+el8.10.0+90906+a4794619 | ELSA-2026-50337 |
| Oracle Linux 8 | libvirt +29 | 9.0.0-16.module+el8.10.0+90906+a4794619 | ELSA-2026-50337 |
| Oracle Linux 8 | libvirt-dbus | 1.3.0-2.module+el8.10.0+90906+a4794619 | ELSA-2026-50337 |
| Oracle Linux 8 | nbdkit +18 | 1.24.0-5.module+el8.10.0+90906+a4794619 | ELSA-2026-50337 |
| Oracle Linux 8 | netcf +2 | 0.2.8-12.module+el8.10.0+90906+a4794619 | ELSA-2026-50337 |
| Oracle Linux 8 | perl-Sys-Virt | 8.0.0-1.module+el8.10.0+90906+a4794619 | ELSA-2026-50337 |
| Oracle Linux 8 | qemu-img +11 | 15:7.2.0-41.module+el8.10.0+90906+a4794619 | ELSA-2026-50337 |
| Oracle Linux 8 | seabios +2 | 1.16.0-4.module+el8.10.0+90906+a4794619 | ELSA-2026-50337 |
| Oracle Linux 8 | sgabios +1 | 1:0.20170427git-3.module+el8.10.0+90906+a4794619 | ELSA-2026-50337 |
| Oracle Linux 8 | supermin +1 | 5.2.1-2.0.1.module+el8.10.0+90906+a4794619 | ELSA-2026-50337 |
| Oracle Linux 8 | swtpm +4 | 0.7.0-4.20211109gitb79fd91.module+el8.10.0+90906+a4794619 | ELSA-2026-50337 |
| Oracle Linux 8 | virt-dib +22 | 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619 | ELSA-2026-50337 |
| Oracle Linux 8 | virt-v2v +3 | 1:1.42.0-22.module+el8.10.0+90906+a4794619 | ELSA-2026-50337 |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | qemu +13 | 11.0.1-r0 | — |
Advisories 4
- WID-SEC-2024-3155 QEMU: Schwachstelle ermöglicht Privilegieneskalation oder DoS BSI CERT-Bund (WID) · Aug 23, 2026
- ELSA-2026-500220 Moderate: qemu-kvm security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Aug 19, 2026
- ELSA-2026-50337 Important: virt:kvm_utils3 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jun 23, 2026
- ALAS2-2025-2742 Important: qemu security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Feb 4, 2025