261 lines
13 KiB
JSON
261 lines
13 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-2023-53487",
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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": "2025-10-01T11:39:39.402Z",
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"datePublished": "2025-10-01T11:42:54.747Z",
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"dateUpdated": "2026-11-05T20:31:11.542Z"
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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": "2026-05-11T19:45:56.368Z"
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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\npowerpc/rtas_flash: allow user copy to flash block cache objects\n\nWith hardened usercopy enabled (CONFIG_HARDENED_USERCOPY=y), using the\n/proc/powerpc/rtas/firmware_update interface to prepare a system\nfirmware update yields a BUG():\n\n kernel BUG at mm/usercopy.c:102!\n Oops: Exception in kernel mode, sig: 5 [#1]\n LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA pSeries\n Modules linked in:\n CPU: 0 PID: 2232 Comm: dd Not tainted 6.5.0-rc3+ #2\n Hardware name: IBM,8408-E8E POWER8E (raw) 0x4b0201 0xf000004 of:IBM,FW860.50 (SV860_146) hv:phyp pSeries\n NIP: c0000000005991d0 LR: c0000000005991cc CTR: 0000000000000000\n REGS: c0000000148c76a0 TRAP: 0700 Not tainted (6.5.0-rc3+)\n MSR: 8000000000029033 <SF,EE,ME,IR,DR,RI,LE> CR: 24002242 XER: 0000000c\n CFAR: c0000000001fbd34 IRQMASK: 0\n [ ... GPRs omitted ... ]\n NIP usercopy_abort+0xa0/0xb0\n LR usercopy_abort+0x9c/0xb0\n Call Trace:\n usercopy_abort+0x9c/0xb0 (unreliable)\n __check_heap_object+0x1b4/0x1d0\n __check_object_size+0x2d0/0x380\n rtas_flash_write+0xe4/0x250\n proc_reg_write+0xfc/0x160\n vfs_write+0xfc/0x4e0\n ksys_write+0x90/0x160\n system_call_exception+0x178/0x320\n system_call_common+0x160/0x2c4\n\nThe blocks of the firmware image are copied directly from user memory\nto objects allocated from flash_block_cache, so flash_block_cache must\nbe created using kmem_cache_create_usercopy() to mark it safe for user\naccess.\n\n[mpe: Trim and indent oops]"
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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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"arch/powerpc/kernel/rtas_flash.c"
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],
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"versions": [
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{
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"version": "6d07d1cd300f4c7e16005f881fea388164999cc8",
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"lessThan": "8f09cc15dcd91d16562400c51d24c7be0d5796fa",
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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": "6d07d1cd300f4c7e16005f881fea388164999cc8",
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"lessThan": "1d29e21ed09fa668416fa7721e08d451b9903485",
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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": "6d07d1cd300f4c7e16005f881fea388164999cc8",
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"lessThan": "0ba7f969be599e21d4b1f1e947593de6515f4996",
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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": "6d07d1cd300f4c7e16005f881fea388164999cc8",
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"lessThan": "8ef25fb13494e35c6dbe15445c7875fa92bc3e8b",
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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": "6d07d1cd300f4c7e16005f881fea388164999cc8",
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"lessThan": "b8fee83aa4ed3846c7f50a0b364bc699f48d96e5",
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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": "6d07d1cd300f4c7e16005f881fea388164999cc8",
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"lessThan": "6acb8a453388374fafb3c3b37534b675b2aa0ae1",
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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": "6d07d1cd300f4c7e16005f881fea388164999cc8",
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"lessThan": "4f3175979e62de3b929bfa54a0db4b87d36257a7",
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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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"arch/powerpc/kernel/rtas_flash.c"
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],
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"versions": [
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{
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"version": "4.16",
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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": "4.16",
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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": "4.19.293",
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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": "5.4.255",
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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": "5.10.192",
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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": "5.15.128",
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"lessThanOrEqual": "5.15.*",
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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": "6.1.47",
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"lessThanOrEqual": "6.1.*",
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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": "6.4.12",
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"lessThanOrEqual": "6.4.*",
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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": "6.5",
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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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{
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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": "4.16",
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"versionEndExcluding": "4.19.293"
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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:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.16",
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"versionEndExcluding": "5.4.255"
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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:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.16",
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"versionEndExcluding": "5.10.192"
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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:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.16",
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"versionEndExcluding": "5.15.128"
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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:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.16",
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"versionEndExcluding": "6.1.47"
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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:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.16",
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"versionEndExcluding": "6.4.12"
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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:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.16",
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"versionEndExcluding": "6.5"
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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/8f09cc15dcd91d16562400c51d24c7be0d5796fa"
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},
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{
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"url": "https://git.kernel.org/stable/c/1d29e21ed09fa668416fa7721e08d451b9903485"
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},
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{
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"url": "https://git.kernel.org/stable/c/0ba7f969be599e21d4b1f1e947593de6515f4996"
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},
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{
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"url": "https://git.kernel.org/stable/c/8ef25fb13494e35c6dbe15445c7875fa92bc3e8b"
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},
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{
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"url": "https://git.kernel.org/stable/c/b8fee83aa4ed3846c7f50a0b364bc699f48d96e5"
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},
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{
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"url": "https://git.kernel.org/stable/c/6acb8a453388374fafb3c3b37534b675b2aa0ae1"
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},
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{
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"url": "https://git.kernel.org/stable/c/4f3175979e62de3b929bfa54a0db4b87d36257a7"
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}
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],
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"title": "powerpc/rtas_flash: allow user copy to flash block cache objects",
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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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"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-2023-53487",
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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": "2026-11-05T20:22:14.298181Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-11-05T20:31:11.542Z"
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}
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}
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]
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}
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} |