CVE-2026-23229
Estado: ModificadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
crypto: virtio - Add spinlock protection with virtqueue notification
When VM boots with one virtio-crypto PCI device and builtin backend, run openssl benchmark command with multiple processes, such as openssl speed -evp aes-128-cbc -engine afalg -seconds 10 -multi 32
openssl processes will hangup and there is error reported like this: virtio_crypto virtio0: dataq.0:id 3 is not a head!
It seems that the data virtqueue need protection when it is handled for virtio done notification. If the spinlock protection is added in virtcrypto_done_task(), openssl benchmark with multiple processes works well.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.13%
- Percentil entre todas las CVEs puntuadas: 2
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- NVD-CWE-noinfo
Referencias
- https://git.kernel.org/stable/c/49c57c6c108931a914ed94e3c0ddb974008260a3
- https://git.kernel.org/stable/c/552475d0b6cece73a52c0fa5faa0ce45e99df74b
- https://git.kernel.org/stable/c/8ee8ccfd60bf17cbdab91069d324b5302f4f3a30
- https://git.kernel.org/stable/c/b505047ffc8057555900d2d3a005d033e6967382
- https://git.kernel.org/stable/c/c0a0ded3bb7fd45f720faa48449a930153257d3a
- https://git.kernel.org/stable/c/c9e594194795c86ca753ad6ed64c2762e9309d0d
- https://git.kernel.org/stable/c/d6f0d586808689963e58fd739bed626ff5013b24
- https://git.kernel.org/stable/c/e69a7b0a71b6561b3b6459f1fded8d589f2e8ac2
- https://cert-portal.siemens.com/productcert/html/ssa-253495.html
JSON original (NVD)
Mostrar
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: virtio - Add spinlock protection with virtqueue notification\n\nWhen VM boots with one virtio-crypto PCI device and builtin backend,\nrun openssl benchmark command with multiple processes, such as\n openssl speed -evp aes-128-cbc -engine afalg -seconds 10 -multi 32\n\nopenssl processes will hangup and there is error reported like this:\n virtio_crypto virtio0: dataq.0:id 3 is not a head!\n\nIt seems that the data virtqueue need protection when it is handled\nfor virtio done notification. If the spinlock protection is added\nin virtcrypto_done_task(), openssl benchmark with multiple processes\nworks well."
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"value": "Se ha resuelto la siguiente vulnerabilidad en el kernel de Linux: \n\ncrypto: virtio - Añadir protección con spinlock con notificación de virtqueue\n\nCuando una VM arranca con un dispositivo PCI virtio-crypto y un backend integrado,\nejecutar el comando de benchmark de OpenSSL con múltiples procesos, como\n openssl speed -evp aes-128-cbc -engine afalg -seconds 10 -multi 32\n\nlos procesos de OpenSSL se colgarán y se reporta un error como este:\n virtio_crypto virtio0: dataq.0:id 3 is not a head!\n\nParece que el virtqueue de datos necesita protección cuando se maneja\npara la notificación de finalización de virtio. Si se añade la protección con spinlock\nen virtcrypto_done_task(), el benchmark de OpenSSL con múltiples procesos\nfunciona correctamente."
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