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CVE-2021-47288 (GCVE-0-2021-47288)

Vulnerability from cvelistv5 – Published: 2024-05-21 14:34 – Updated: 2026-05-11 13:51
VLAI
Title
media: ngene: Fix out-of-bounds bug in ngene_command_config_free_buf()
Summary
In the Linux kernel, the following vulnerability has been resolved: media: ngene: Fix out-of-bounds bug in ngene_command_config_free_buf() Fix an 11-year old bug in ngene_command_config_free_buf() while addressing the following warnings caught with -Warray-bounds: arch/alpha/include/asm/string.h:22:16: warning: '__builtin_memcpy' offset [12, 16] from the object at 'com' is out of the bounds of referenced subobject 'config' with type 'unsigned char' at offset 10 [-Warray-bounds] arch/x86/include/asm/string_32.h:182:25: warning: '__builtin_memcpy' offset [12, 16] from the object at 'com' is out of the bounds of referenced subobject 'config' with type 'unsigned char' at offset 10 [-Warray-bounds] The problem is that the original code is trying to copy 6 bytes of data into a one-byte size member _config_ of the wrong structue FW_CONFIGURE_BUFFERS, in a single call to memcpy(). This causes a legitimate compiler warning because memcpy() overruns the length of &com.cmd.ConfigureBuffers.config. It seems that the right structure is FW_CONFIGURE_FREE_BUFFERS, instead, because it contains 6 more members apart from the header _hdr_. Also, the name of the function ngene_command_config_free_buf() suggests that the actual intention is to ConfigureFreeBuffers, instead of ConfigureBuffers (which takes place in the function ngene_command_config_buf(), above). Fix this by enclosing those 6 members of struct FW_CONFIGURE_FREE_BUFFERS into new struct config, and use &com.cmd.ConfigureFreeBuffers.config as the destination address, instead of &com.cmd.ConfigureBuffers.config, when calling memcpy(). This also helps with the ongoing efforts to globally enable -Warray-bounds and get us closer to being able to tighten the FORTIFY_SOURCE routines on memcpy().
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-21 18:48 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: dae52d009fc950b5c209260d50fcc000f5becd3c , < 4487b968e5eacd02c493303dc2b61150bb7fe4b2 (git)
Affected: dae52d009fc950b5c209260d50fcc000f5becd3c , < c6ddeb63dd543b5474b0217c4e47538b7ffd7686 (git)
Affected: dae52d009fc950b5c209260d50fcc000f5becd3c , < e818f2ff648581a6c553ae2bebc5dcef9a8bb90c (git)
Affected: dae52d009fc950b5c209260d50fcc000f5becd3c , < ec731c6ef564ee6fc101fc5d73e3a3a953d09a00 (git)
Affected: dae52d009fc950b5c209260d50fcc000f5becd3c , < e617fa62f6cf859a7b042cdd6c73af905ff8fca3 (git)
Affected: dae52d009fc950b5c209260d50fcc000f5becd3c , < e991457afdcb5f4dbc5bc9d79eaf775be33e7092 (git)
Affected: dae52d009fc950b5c209260d50fcc000f5becd3c , < b9a178f189bb6d75293573e181928735f5e3e070 (git)
Affected: dae52d009fc950b5c209260d50fcc000f5becd3c , < 8d4abca95ecc82fc8c41912fa0085281f19cc29f (git)
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Linux Linux Affected: 2.6.34
Unaffected: 0 , < 2.6.34 (semver)
Unaffected: 4.4.277 , ≤ 4.4.* (semver)
Unaffected: 4.9.277 , ≤ 4.9.* (semver)
Unaffected: 4.14.241 , ≤ 4.14.* (semver)
Unaffected: 4.19.199 , ≤ 4.19.* (semver)
Unaffected: 5.4.136 , ≤ 5.4.* (semver)
Unaffected: 5.10.54 , ≤ 5.10.* (semver)
Unaffected: 5.13.6 , ≤ 5.13.* (semver)
Unaffected: 5.14 , ≤ * (original_commit_for_fix)
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmedia: ngene: Fix out-of-bounds bug in ngene_command_config_free_buf()\\n\\nFix an 11-year old bug in ngene_command_config_free_buf() while\\naddressing the following warnings caught with -Warray-bounds:\\n\\narch/alpha/include/asm/string.h:22:16: warning: \u0027__builtin_memcpy\u0027 offset [12, 16] from the object at \u0027com\u0027 is out of the bounds of referenced subobject \u0027config\u0027 with type \u0027unsigned char\u0027 at offset 10 [-Warray-bounds]\\narch/x86/include/asm/string_32.h:182:25: warning: \u0027__builtin_memcpy\u0027 offset [12, 16] from the object at \u0027com\u0027 is out of the bounds of referenced subobject \u0027config\u0027 with type \u0027unsigned char\u0027 at offset 10 [-Warray-bounds]\\n\\nThe problem is that the original code is trying to copy 6 bytes of\\ndata into a one-byte size member _config_ of the wrong structue\\nFW_CONFIGURE_BUFFERS, in a single call to memcpy(). This causes a\\nlegitimate compiler warning because memcpy() overruns the length\\nof \u0026com.cmd.ConfigureBuffers.config. It seems that the right\\nstructure is FW_CONFIGURE_FREE_BUFFERS, instead, because it contains\\n6 more members apart from the header _hdr_. Also, the name of\\nthe function ngene_command_config_free_buf() suggests that the actual\\nintention is to ConfigureFreeBuffers, instead of ConfigureBuffers\\n(which takes place in the function ngene_command_config_buf(), above).\\n\\nFix this by enclosing those 6 members of struct FW_CONFIGURE_FREE_BUFFERS\\ninto new struct config, and use \u0026com.cmd.ConfigureFreeBuffers.config as\\nthe destination address, instead of \u0026com.cmd.ConfigureBuffers.config,\\nwhen calling memcpy().\\n\\nThis also helps with the ongoing efforts to globally enable\\n-Warray-bounds and get us closer to being able to tighten the\\nFORTIFY_SOURCE routines on memcpy().\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se resolvi\\u00f3 la siguiente vulnerabilidad: medios: ngene: corrige un error fuera de los l\\u00edmites en ngene_command_config_free_buf(). Corrige un error de hace 11 a\\u00f1os en ngene_command_config_free_buf() mientras se solucionan las siguientes advertencias detectadas con -Warray-bounds: arch/alpha/include/asm/string.h:22:16: advertencia: el desplazamiento \u0027__builtin_memcpy\u0027 [12, 16] del objeto en \u0027com\u0027 est\\u00e1 fuera de los l\\u00edmites del subobjeto referenciado \u0027config\u0027 con tipo \u0027car\\u00e1cter sin firmar \u0027 en el desplazamiento 10 [-Warray-bounds] arch/x86/include/asm/string_32.h:182:25: advertencia: el desplazamiento \u0027__builtin_memcpy\u0027 [12, 16] del objeto en \u0027com\u0027 est\\u00e1 fuera de los l\\u00edmites de subobjeto referenciado \u0027config\u0027 con tipo \u0027unsigned char\u0027 en el desplazamiento 10 [-Warray-bounds] El problema es que el c\\u00f3digo original est\\u00e1 intentando copiar 6 bytes de datos en un miembro de tama\\u00f1o de un byte _config_ de la estructura incorrecta FW_CONFIGURE_BUFFERS, en una sola llamada a memcpy(). Esto provoca una advertencia leg\\u00edtima del compilador porque memcpy() sobrepasa la longitud de \u0026amp;com.cmd.ConfigureBuffers.config. Parece que la estructura correcta es FW_CONFIGURE_FREE_BUFFERS, porque contiene 6 miembros m\\u00e1s adem\\u00e1s del encabezado _hdr_. Adem\\u00e1s, el nombre de la funci\\u00f3n ngene_command_config_free_buf() sugiere que la intenci\\u00f3n real es ConfigureFreeBuffers, en lugar de ConfigureBuffers (que tiene lugar en la funci\\u00f3n ngene_command_config_buf(), arriba). Solucione este problema encerrando esos 6 miembros de la estructura FW_CONFIGURE_FREE_BUFFERS en una nueva configuraci\\u00f3n de estructura y use \u0026amp;com.cmd.ConfigureFreeBuffers.config como direcci\\u00f3n de destino, en lugar de \u0026amp;com.cmd.ConfigureBuffers.config, al llamar a memcpy(). Esto tambi\\u00e9n ayuda con los esfuerzos continuos para habilitar globalmente -Warray-bounds y acercarnos a poder ajustar las rutinas FORTIFY_SOURCE en memcpy().\"}]",
      "id": "CVE-2021-47288",
      "lastModified": "2024-12-23T16:45:23.720",
      "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:H/I:N/A:H\", \"baseScore\": 7.1, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.2}]}",
      "published": "2024-05-21T15:15:16.867",
      "references": "[{\"url\": \"https://git.kernel.org/stable/c/4487b968e5eacd02c493303dc2b61150bb7fe4b2\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/8d4abca95ecc82fc8c41912fa0085281f19cc29f\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/b9a178f189bb6d75293573e181928735f5e3e070\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/c6ddeb63dd543b5474b0217c4e47538b7ffd7686\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/e617fa62f6cf859a7b042cdd6c73af905ff8fca3\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/e818f2ff648581a6c553ae2bebc5dcef9a8bb90c\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/e991457afdcb5f4dbc5bc9d79eaf775be33e7092\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/ec731c6ef564ee6fc101fc5d73e3a3a953d09a00\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/4487b968e5eacd02c493303dc2b61150bb7fe4b2\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/8d4abca95ecc82fc8c41912fa0085281f19cc29f\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/b9a178f189bb6d75293573e181928735f5e3e070\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/c6ddeb63dd543b5474b0217c4e47538b7ffd7686\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/e617fa62f6cf859a7b042cdd6c73af905ff8fca3\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/e818f2ff648581a6c553ae2bebc5dcef9a8bb90c\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/e991457afdcb5f4dbc5bc9d79eaf775be33e7092\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/ec731c6ef564ee6fc101fc5d73e3a3a953d09a00\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Analyzed",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-125\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47288\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-21T15:15:16.867\",\"lastModified\":\"2026-06-17T04:17:06.677\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmedia: ngene: Fix out-of-bounds bug in ngene_command_config_free_buf()\\n\\nFix an 11-year old bug in ngene_command_config_free_buf() while\\naddressing the following warnings caught with -Warray-bounds:\\n\\narch/alpha/include/asm/string.h:22:16: warning: \u0027__builtin_memcpy\u0027 offset [12, 16] from the object at \u0027com\u0027 is out of the bounds of referenced subobject \u0027config\u0027 with type \u0027unsigned char\u0027 at offset 10 [-Warray-bounds]\\narch/x86/include/asm/string_32.h:182:25: warning: \u0027__builtin_memcpy\u0027 offset [12, 16] from the object at \u0027com\u0027 is out of the bounds of referenced subobject \u0027config\u0027 with type \u0027unsigned char\u0027 at offset 10 [-Warray-bounds]\\n\\nThe problem is that the original code is trying to copy 6 bytes of\\ndata into a one-byte size member _config_ of the wrong structue\\nFW_CONFIGURE_BUFFERS, in a single call to memcpy(). This causes a\\nlegitimate compiler warning because memcpy() overruns the length\\nof \u0026com.cmd.ConfigureBuffers.config. It seems that the right\\nstructure is FW_CONFIGURE_FREE_BUFFERS, instead, because it contains\\n6 more members apart from the header _hdr_. Also, the name of\\nthe function ngene_command_config_free_buf() suggests that the actual\\nintention is to ConfigureFreeBuffers, instead of ConfigureBuffers\\n(which takes place in the function ngene_command_config_buf(), above).\\n\\nFix this by enclosing those 6 members of struct FW_CONFIGURE_FREE_BUFFERS\\ninto new struct config, and use \u0026com.cmd.ConfigureFreeBuffers.config as\\nthe destination address, instead of \u0026com.cmd.ConfigureBuffers.config,\\nwhen calling memcpy().\\n\\nThis also helps with the ongoing efforts to globally enable\\n-Warray-bounds and get us closer to being able to tighten the\\nFORTIFY_SOURCE routines on memcpy().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: medios: ngene: corrige un error fuera de los l\u00edmites en ngene_command_config_free_buf(). Corrige un error de hace 11 a\u00f1os en ngene_command_config_free_buf() mientras se solucionan las siguientes advertencias detectadas con -Warray-bounds: arch/alpha/include/asm/string.h:22:16: advertencia: el desplazamiento \u0027__builtin_memcpy\u0027 [12, 16] del objeto en \u0027com\u0027 est\u00e1 fuera de los l\u00edmites del subobjeto referenciado \u0027config\u0027 con tipo \u0027car\u00e1cter sin firmar \u0027 en el desplazamiento 10 [-Warray-bounds] arch/x86/include/asm/string_32.h:182:25: advertencia: el desplazamiento \u0027__builtin_memcpy\u0027 [12, 16] del objeto en \u0027com\u0027 est\u00e1 fuera de los l\u00edmites de subobjeto referenciado \u0027config\u0027 con tipo \u0027unsigned char\u0027 en el desplazamiento 10 [-Warray-bounds] El problema es que el c\u00f3digo original est\u00e1 intentando copiar 6 bytes de datos en un miembro de tama\u00f1o de un byte _config_ de la estructura incorrecta FW_CONFIGURE_BUFFERS, en una sola llamada a memcpy(). Esto provoca una advertencia leg\u00edtima del compilador porque memcpy() sobrepasa la longitud de \u0026amp;com.cmd.ConfigureBuffers.config. Parece que la estructura correcta es FW_CONFIGURE_FREE_BUFFERS, porque contiene 6 miembros m\u00e1s adem\u00e1s del encabezado _hdr_. Adem\u00e1s, el nombre de la funci\u00f3n ngene_command_config_free_buf() sugiere que la intenci\u00f3n real es ConfigureFreeBuffers, en lugar de ConfigureBuffers (que tiene lugar en la funci\u00f3n ngene_command_config_buf(), arriba). Solucione este problema encerrando esos 6 miembros de la estructura FW_CONFIGURE_FREE_BUFFERS en una nueva configuraci\u00f3n de estructura y use \u0026amp;com.cmd.ConfigureFreeBuffers.config como direcci\u00f3n de destino, en lugar de \u0026amp;com.cmd.ConfigureBuffers.config, al llamar a memcpy(). Esto tambi\u00e9n ayuda con los esfuerzos continuos para habilitar globalmente -Warray-bounds y acercarnos a poder ajustar las rutinas FORTIFY_SOURCE en memcpy().\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/media/pci/ngene/ngene-core.c\",\"drivers/media/pci/ngene/ngene.h\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"dae52d009fc950b5c209260d50fcc000f5becd3c\",\"lessThan\":\"4487b968e5eacd02c493303dc2b61150bb7fe4b2\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"dae52d009fc950b5c209260d50fcc000f5becd3c\",\"lessThan\":\"c6ddeb63dd543b5474b0217c4e47538b7ffd7686\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"dae52d009fc950b5c209260d50fcc000f5becd3c\",\"lessThan\":\"e818f2ff648581a6c553ae2bebc5dcef9a8bb90c\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"dae52d009fc950b5c209260d50fcc000f5becd3c\",\"lessThan\":\"ec731c6ef564ee6fc101fc5d73e3a3a953d09a00\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"dae52d009fc950b5c209260d50fcc000f5becd3c\",\"lessThan\":\"e617fa62f6cf859a7b042cdd6c73af905ff8fca3\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"dae52d009fc950b5c209260d50fcc000f5becd3c\",\"lessThan\":\"e991457afdcb5f4dbc5bc9d79eaf775be33e7092\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"dae52d009fc950b5c209260d50fcc000f5becd3c\",\"lessThan\":\"b9a178f189bb6d75293573e181928735f5e3e070\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"dae52d009fc950b5c209260d50fcc000f5becd3c\",\"lessThan\":\"8d4abca95ecc82fc8c41912fa0085281f19cc29f\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/media/pci/ngene/ngene-core.c\",\"drivers/media/pci/ngene/ngene.h\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"2.6.34\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"2.6.34\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.4.277\",\"lessThanOrEqual\":\"4.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.9.277\",\"lessThanOrEqual\":\"4.9.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.14.241\",\"lessThanOrEqual\":\"4.14.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.19.199\",\"lessThanOrEqual\":\"4.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.136\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.54\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.13.6\",\"lessThanOrEqual\":\"5.13.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.14\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"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:H/I:N/A:H\",\"baseScore\":7.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.2}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-05-21T18:48:38.044089Z\",\"id\":\"CVE-2021-47288\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA 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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T14:11:56+00:00",
      "cve": "CVE-2021-47288",
      "id": "CVE-2021-47288",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_affected": "14",
      "product_status:known_not_affected": "184",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: media: ngene: Fix out-of-bounds bug in ngene_command_config_free_buf()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-47288.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-05T01:02:40Z",
      "cve": "CVE-2021-47288",
      "id": "CVE-2021-47288",
      "initial_release_date": "2024-05-23T03:05:02Z",
      "product_status:known_affected": "507",
      "product_status:known_not_affected": "173",
      "product_status:recommended": "219",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2021-47288",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-47288.json",
      "version": "54"
    },
    "vulnrichment": {
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from the object at \u0027com\u0027 is out of the bounds of referenced subobject \u0027config\u0027 with type \u0027unsigned char\u0027 at offset 10 [-Warray-bounds]\\n\\nThe problem is that the original code is trying to copy 6 bytes of\\ndata into a one-byte size member _config_ of the wrong structue\\nFW_CONFIGURE_BUFFERS, in a single call to memcpy(). This causes a\\nlegitimate compiler warning because memcpy() overruns the length\\nof \u0026com.cmd.ConfigureBuffers.config. It seems that the right\\nstructure is FW_CONFIGURE_FREE_BUFFERS, instead, because it contains\\n6 more members apart from the header _hdr_. Also, the name of\\nthe function ngene_command_config_free_buf() suggests that the actual\\nintention is to ConfigureFreeBuffers, instead of ConfigureBuffers\\n(which takes place in the function ngene_command_config_buf(), above).\\n\\nFix this by enclosing those 6 members of struct FW_CONFIGURE_FREE_BUFFERS\\ninto new struct config, and use \u0026com.cmd.ConfigureFreeBuffers.config as\\nthe destination address, instead of \u0026com.cmd.ConfigureBuffers.config,\\nwhen calling memcpy().\\n\\nThis also helps with the ongoing efforts to globally enable\\n-Warray-bounds and get us closer to being able to tighten the\\nFORTIFY_SOURCE routines on memcpy().\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-05-29T05:05:20.262Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-47288\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-08-04T05:32:08.191Z\", \"dateReserved\": \"2024-05-21T13:27:52.129Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-21T14:34:51.776Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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

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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.


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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.