{"cve":"CVE-2026-23229","nvd":{"published":"2026-02-18T16:22:32.693","modified":"2026-06-17T10:21:08.677","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["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"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:23:35.260773158+00:00"},"epss":{"cve":"CVE-2026-23229","score":0.00142,"percentile":0.03487,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}