CVE-2026-23229 (GCVE-0-2026-23229)

Vulnerability from cvelistv5 – Published: 2026-02-18 14:53 – Updated: 2026-06-02 13:01
VLAI
Title
crypto: virtio - Add spinlock protection with virtqueue notification
Summary
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.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 0eb69890e86775d178452880ea0d24384c5ccedf , < 552475d0b6cece73a52c0fa5faa0ce45e99df74b (git)
Affected: 75cba72ddb788a5b9c7ed2139fbb84383df029eb , < 8ee8ccfd60bf17cbdab91069d324b5302f4f3a30 (git)
Affected: ae4747dab2eab95a68bb2f6c7e904bff0424e1b1 , < c9e594194795c86ca753ad6ed64c2762e9309d0d (git)
Affected: c4c54fce9ec54a59a4ca035af13c2823c76684cc , < d6f0d586808689963e58fd739bed626ff5013b24 (git)
Affected: fed93fb62e05c38152b0fc1dc9609639e63eed76 , < c0a0ded3bb7fd45f720faa48449a930153257d3a (git)
Affected: fed93fb62e05c38152b0fc1dc9609639e63eed76 , < e69a7b0a71b6561b3b6459f1fded8d589f2e8ac2 (git)
Affected: fed93fb62e05c38152b0fc1dc9609639e63eed76 , < 49c57c6c108931a914ed94e3c0ddb974008260a3 (git)
Affected: fed93fb62e05c38152b0fc1dc9609639e63eed76 , < b505047ffc8057555900d2d3a005d033e6967382 (git)
Affected: 96be18c8fff9d57e29621386e2fa17268383ea27 (git)
Affected: 830a4f073f7edd2cc4f30ba95bdc3495d97c2550 (git)
Affected: 8862c0d2e47ba1733d9687fe0ff4e02d6e391255 (git)
Affected: 5.10.209 , < 5.10.251 (semver)
Affected: 5.15.148 , < 5.15.201 (semver)
Affected: 6.1.75 , < 6.1.164 (semver)
Affected: 6.6.14 , < 6.6.125 (semver)
Affected: 4.19.306 , < 4.20 (semver)
Affected: 5.4.268 , < 5.5 (semver)
Affected: 6.7.2 , < 6.8 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 5.10.251 , ≤ 5.10.* (semver)
Unaffected: 5.15.201 , ≤ 5.15.* (semver)
Unaffected: 6.1.164 , ≤ 6.1.* (semver)
Unaffected: 6.6.125 , ≤ 6.6.* (semver)
Unaffected: 6.12.72 , ≤ 6.12.* (semver)
Unaffected: 6.18.11 , ≤ 6.18.* (semver)
Unaffected: 6.19.1 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Siemens RUGGEDCOM RST2428P Affected: 0 , < V4.0 (custom)
guessed Create a notification for this product.
Show details on NVD website
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        "cveTags": [],
        "descriptions": [
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            "lang": "en",
            "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."
          },
          {
            "lang": "es",
            "value": "Se ha resuelto la siguiente vulnerabilidad en el kernel de Linux: \n\ncrypto: virtio - A\u00f1adir protecci\u00f3n con spinlock con notificaci\u00f3n 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 m\u00faltiples procesos, como\n  openssl speed -evp aes-128-cbc -engine afalg -seconds 10 -multi 32\n\nlos procesos de OpenSSL se colgar\u00e1n 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 protecci\u00f3n cuando se maneja\npara la notificaci\u00f3n de finalizaci\u00f3n de virtio. Si se a\u00f1ade la protecci\u00f3n con spinlock\nen virtcrypto_done_task(), el benchmark de OpenSSL con m\u00faltiples procesos\nfunciona correctamente."
          }
        ],
        "id": "CVE-2026-23229",
        "lastModified": "2026-06-17T10:21:08.677",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
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              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
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        "published": "2026-02-18T16:22:32.693",
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            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
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      "current_release_date": "2026-06-28T11:37:50+00:00",
      "cve": "CVE-2026-23229",
      "id": "CVE-2026-23229",
      "initial_release_date": "2026-02-18T00:00:00+00:00",
      "product_status:known_affected": "76",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Kernel: Denial of Service in virtio-crypto due to missing spinlock protection",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23229.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-15T05:31:07Z",
      "cve": "CVE-2026-23229",
      "id": "CVE-2026-23229",
      "initial_release_date": "2026-02-19T00:26:23Z",
      "product_status:first_fixed": "2",
      "product_status:known_affected": "472",
      "product_status:known_not_affected": "159",
      "product_status:recommended": "272",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-23229",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-23229.json",
      "version": "27"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.