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.
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      "cve": "CVE-2026-23229",
      "date": "2026-08-17",
      "epss": "0.00121",
      "percentile": "0.02286"
    },
    "microsoft_vex": {
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      "cve": "CVE-2026-23229",
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      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "crypto: virtio - Add spinlock protection with virtqueue notification",
      "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-23229.json",
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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 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RST2428P\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V4.0\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.19.306\",\"versionEndExcluding\":\"4.20\",\"matchCriteriaId\":\"37284183-45F5-4920-9AD1-228BBCEC94A8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.4.268\",\"versionEndExcluding\":\"5.5\",\"matchCriteriaId\":\"2E4BEAC0-E873-440D-A75E-55699C2412A4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.10.209\",\"versionEndExcluding\":\"5.10.251\",\"matchCriteriaId\":\"D38366FE-C4CC-4677-BDBA-A6047B5B666B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.15.148\",\"versionEndExcluding\":\"5.15.201\",\"matchCriteriaId\":\"A8470B9F-FA9B-4F8F-AC1F-A6D52A42D2ED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.1.75\",\"versionEndExcluding\":\"6.1.164\",\"matchCriteriaId\":\"9520DDD6-B47A-47A5-8BA6-631469420E89\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.6.14\",\"versionEndExcluding\":\"6.6.125\",\"matchCriteriaId\":\"6F7CEBA0-0AB1-4362-9BE0-625B2FBB5CB0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7.2\",\"versionEndExcluding\":\"6.12.72\",\"matchCriteriaId\":\"031BE183-1B96-47CD-9ED4-17FD22A726ED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.13\",\"versionEndExcluding\":\"6.18.11\",\"matchCriteriaId\":\"7099A9EC-3D54-4424-BF01-7224EF88C79C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.19\",\"versionEndExcluding\":\"6.19.1\",\"matchCriteriaId\":\"EE543C0D-A06B-414F-A403-CB1E088F261E\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/49c57c6c108931a914ed94e3c0ddb974008260a3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/552475d0b6cece73a52c0fa5faa0ce45e99df74b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8ee8ccfd60bf17cbdab91069d324b5302f4f3a30\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b505047ffc8057555900d2d3a005d033e6967382\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c0a0ded3bb7fd45f720faa48449a930153257d3a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c9e594194795c86ca753ad6ed64c2762e9309d0d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d6f0d586808689963e58fd739bed626ff5013b24\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e69a7b0a71b6561b3b6459f1fded8d589f2e8ac2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://cert-portal.siemens.com/productcert/html/ssa-253495.html\",\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "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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Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.