Description
A flaw was found in the virtio-crypto device of QEMU. A malicious guest operating system can exploit a missing length limit in the AKCIPHER path, leading to uncontrolled memory allocation. This can result in a denial of service (DoS) on the host system by causing the QEMU process to terminate unexpectedly.
Problem types
Allocation of Resources Without Limits or Throttling
Product status
7.1.0 (semver)
Timeline
| 2025-12-18: | Reported to Red Hat. |
| 2025-12-14: | Made public. |
Credits
Red Hat would like to thank James Nakamura <nakamurajames123@gmail.com> for reporting this issue.
References
access.redhat.com/security/cve/CVE-2025-14876
bugzilla.redhat.com/show_bug.cgi?id=2423549 (RHBZ#2423549)