Description
A flaw was found in QEMU. An assertion failure was present in the update_sctp_checksum() function in hw/net/net_tx_pkt.c when trying to calculate the checksum of a short-sized fragmented packet. This flaw allows a malicious guest to crash QEMU and cause a denial of service condition.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | net | 8.2.92 | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
| 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 | — | — |
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 | 1:8.2.3+ds-1 | — |
| Debian 13 | qemu | 1:8.2.3+ds-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | qemu | 1:8.2.2+ds-0ubuntu1.10 | USN-7744-1 |
| Ubuntu 22.04 LTS | qemu | 1:6.2+dfsg-2ubuntu6.27 | USN-7744-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | qemu-img +19 | 17:9.0.0-10.el9_5.3 | RHSA-2025:4492 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | qemu-kvm | 7:9.0.0-10.el9_5.3 | RLSA-2025:4492 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE Micro 6.0 | qemu | 8.2.5-1.1 | SUSE-SU-2025:20011-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | qemu | 8.2.2-2.1 | openSUSE-SU-2024:13876-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | qemu | 8.2.0-16 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | qemu-img +18 | 17:9.0.0-10.el9_5.3 | ELSA-2025-4492 |
| Oracle Linux 8 | hivex +4 | 1.3.18-23.module+el8.10.0+90374+95a91213 | ELSA-2024-12605 |
| Oracle Linux 8 | libguestfs-winsupport | 8.6-1.module+el8.10.0+90374+95a91213 | ELSA-2024-12605 |
| Oracle Linux 8 | libiscsi +2 | 1.18.0-8.module+el8.10.0+90374+95a91213 | ELSA-2024-12605 |
| Oracle Linux 8 | libnbd +4 | 1.6.0-5.module+el8.10.0+90374+95a91213 | ELSA-2024-12605 |
| Oracle Linux 8 | libtpms +1 | 0.9.1-0.20211126git1ff6fe1f43.module+el8.10.0+90374+95a91213 | ELSA-2024-12605 |
| Oracle Linux 8 | libvirt +28 | 7.10.0-4.module+el8.10.0+90374+95a91213 | ELSA-2024-12605 |
| Oracle Linux 8 | libvirt-dbus | 1.3.0-2.module+el8.10.0+90374+95a91213 | ELSA-2024-12605 |
| Oracle Linux 8 | nbdkit +18 | 1.24.0-4.module+el8.10.0+90374+95a91213 | ELSA-2024-12605 |
| Oracle Linux 8 | netcf +2 | 0.2.8-12.module+el8.10.0+90374+95a91213 | ELSA-2024-12605 |
| Oracle Linux 8 | perl-Sys-Virt | 6.0.0-1.module+el8.10.0+90374+95a91213 | ELSA-2024-12605 |
| Oracle Linux 8 | qemu-img +10 | 15:6.1.1-9.module+el8.10.0+90374+95a91213 | ELSA-2024-12605 |
| Oracle Linux 8 | seabios +2 | 1.15.0-2.module+el8.10.0+90374+95a91213 | ELSA-2024-12605 |
| Oracle Linux 8 | sgabios +1 | 1:0.20170427git-3.module+el8.10.0+90374+95a91213 | ELSA-2024-12605 |
| Oracle Linux 8 | supermin +1 | 5.2.1-1.module+el8.10.0+90374+95a91213 | ELSA-2024-12605 |
| Oracle Linux 8 | swtpm +4 | 0.7.0-3.20211109gitb79fd91.module+el8.10.0+90374+95a91213 | ELSA-2024-12605 |
| Oracle Linux 8 | virt-dib +22 | 1:1.44.0-5.0.1.module+el8.10.0+90374+95a91213 | ELSA-2024-12605 |
| Oracle Linux 8 | virt-v2v +3 | 1:1.42.0-19.0.1.module+el8.10.0+90374+95a91213 | ELSA-2024-12605 |
Advisories 8
- RHSA-2025:4492 Red Hat Security Advisory: qemu-kvm security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- USN-7744-1 qemu vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- SUSE-SU-2025:20011-1 Security update for qemu SUSE / openSUSE Security Updates · Mar 23, 2026
- openSUSE-SU-2024:13876-1 qemu-8.2.2-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-0848 QEMU: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Sep 11, 2025
- RLSA-2025:4492 Moderate: qemu-kvm security update Rocky Linux Security Advisories · Jul 29, 2025
- ELSA-2025-4492 Moderate: qemu-kvm security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · May 6, 2025
- ELSA-2024-12605 Important: virt:kvm_utils2 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Sep 2, 2024
References
- RHSA-2025:4492 vendor-advisory
- https://access.redhat.com/security/cve/CVE-2024-3567 vdb-entry
- RHBZ#2274339 issue-tracking
- https://gitlab.com/qemu-project/qemu/-/issues/2273