342 lines
17 KiB
JSON
342 lines
17 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2021-47288",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2024-05-21T13:27:52.129Z",
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"datePublished": "2024-05-21T14:34:51.776Z",
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"dateUpdated": "2026-05-11T13:51:35.497Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T13:51:35.497Z"
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},
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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\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: '__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]\narch/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]\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 &com.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 &com.cmd.ConfigureFreeBuffers.config as\nthe destination address, instead of &com.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()."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/media/pci/ngene/ngene-core.c",
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"drivers/media/pci/ngene/ngene.h"
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],
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"versions": [
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{
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"version": "dae52d009fc950b5c209260d50fcc000f5becd3c",
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"lessThan": "4487b968e5eacd02c493303dc2b61150bb7fe4b2",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "dae52d009fc950b5c209260d50fcc000f5becd3c",
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"lessThan": "c6ddeb63dd543b5474b0217c4e47538b7ffd7686",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "dae52d009fc950b5c209260d50fcc000f5becd3c",
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"lessThan": "e818f2ff648581a6c553ae2bebc5dcef9a8bb90c",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "dae52d009fc950b5c209260d50fcc000f5becd3c",
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"lessThan": "ec731c6ef564ee6fc101fc5d73e3a3a953d09a00",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "dae52d009fc950b5c209260d50fcc000f5becd3c",
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"lessThan": "e617fa62f6cf859a7b042cdd6c73af905ff8fca3",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "dae52d009fc950b5c209260d50fcc000f5becd3c",
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"lessThan": "e991457afdcb5f4dbc5bc9d79eaf775be33e7092",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "dae52d009fc950b5c209260d50fcc000f5becd3c",
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"lessThan": "b9a178f189bb6d75293573e181928735f5e3e070",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "dae52d009fc950b5c209260d50fcc000f5becd3c",
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"lessThan": "8d4abca95ecc82fc8c41912fa0085281f19cc29f",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/media/pci/ngene/ngene-core.c",
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"drivers/media/pci/ngene/ngene.h"
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],
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"versions": [
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{
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"version": "2.6.34",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "2.6.34",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "4.4.277",
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"lessThanOrEqual": "4.4.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "4.9.277",
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"lessThanOrEqual": "4.9.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "4.14.241",
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"lessThanOrEqual": "4.14.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "4.19.199",
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"lessThanOrEqual": "4.19.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.4.136",
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"lessThanOrEqual": "5.4.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.10.54",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.13.6",
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"lessThanOrEqual": "5.13.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.14",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.34",
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{
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},
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{
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"url": "https://git.kernel.org/stable/c/c6ddeb63dd543b5474b0217c4e47538b7ffd7686"
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{
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"url": "https://git.kernel.org/stable/c/e818f2ff648581a6c553ae2bebc5dcef9a8bb90c"
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},
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"url": "https://git.kernel.org/stable/c/ec731c6ef564ee6fc101fc5d73e3a3a953d09a00"
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"url": "https://git.kernel.org/stable/c/e617fa62f6cf859a7b042cdd6c73af905ff8fca3"
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{
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"url": "https://git.kernel.org/stable/c/e991457afdcb5f4dbc5bc9d79eaf775be33e7092"
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"url": "https://git.kernel.org/stable/c/b9a178f189bb6d75293573e181928735f5e3e070"
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"url": "https://git.kernel.org/stable/c/8d4abca95ecc82fc8c41912fa0085281f19cc29f"
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}
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],
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"title": "media: ngene: Fix out-of-bounds bug in ngene_command_config_free_buf()",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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},
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"adp": [
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{
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"title": "CISA ADP Vulnrichment",
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2021-47288",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2024-05-21T18:48:38.044089Z"
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}
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}
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}
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],
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"providerMetadata": {
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"shortName": "CISA-ADP",
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"dateUpdated": "2024-06-04T17:15:21.595Z"
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}
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"shortName": "CVE",
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"dateUpdated": "2024-08-04T05:32:08.191Z"
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},
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"title": "CVE Program Container",
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"references": [
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