mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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112 lines
3.6 KiB
JSON
112 lines
3.6 KiB
JSON
{
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"id": "CVE-2021-47123",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-03-15T21:15:07.217",
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"lastModified": "2025-01-14T15:02:28.120",
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"vulnStatus": "Analyzed",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring: fix ltout double free on completion race\n\nAlways remove linked timeout on io_link_timeout_fn() from the master\nrequest link list, otherwise we may get use-after-free when first\nio_link_timeout_fn() puts linked timeout in the fail path, and then\nwill be found and put on master's free."
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},
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{
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"lang": "es",
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: io_uring: corrige la doble liberaci\u00f3n de ltout al finalizar la ejecuci\u00f3n. Elimina siempre el tiempo de espera vinculado en io_link_timeout_fn() de la lista de v\u00ednculos de solicitud maestra; de lo contrario, es posible que obtengamos use-after-free la primera vez que io_link_timeout_fn() coloca el tiempo de espera vinculado en la ruta de falla, y luego ser\u00e1 encontrado y puesto en master gratis."
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.8,
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"baseSeverity": "HIGH",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 5.9
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}
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]
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},
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"weaknesses": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-415"
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},
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{
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"lang": "en",
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"value": "CWE-416"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.11",
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"versionEndExcluding": "5.12.10",
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"matchCriteriaId": "27384800-AB48-4C08-891E-34B66F5FC4AA"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*",
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"matchCriteriaId": "0CBAD0FC-C281-4666-AB2F-F8E6E1165DF7"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/1f64f5e903b9d1d157875721e02adadc9d6f0a5d",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Patch"
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]
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},
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{
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"url": "https://git.kernel.org/stable/c/447c19f3b5074409c794b350b10306e1da1ef4ba",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Patch"
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]
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},
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{
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"url": "https://git.kernel.org/stable/c/1f64f5e903b9d1d157875721e02adadc9d6f0a5d",
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"source": "af854a3a-2127-422b-91ae-364da2661108",
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"tags": [
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"Patch"
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]
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},
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{
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"url": "https://git.kernel.org/stable/c/447c19f3b5074409c794b350b10306e1da1ef4ba",
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"source": "af854a3a-2127-422b-91ae-364da2661108",
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"tags": [
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"Patch"
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]
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}
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]
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} |