282 lines
14 KiB
JSON
282 lines
14 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-2026-64544",
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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": "2026-07-19T15:36:31.795Z",
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"datePublished": "2026-07-27T20:10:36.101Z",
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"dateUpdated": "2026-11-06T16:44:56.835Z"
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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": "2026-08-17T04:57:21.054Z"
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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\ncrypto: asymmetric_keys - fix OOB read in pefile_digest_pe_contents\n\npefile_digest_pe_contents() computes the trailing-data hash length as\npelen - (hashed_bytes + certs_size). A crafted PE can make the addition\nexceed pelen, causing the unsigned subtraction to underflow to ~4 GiB.\nThis is passed to crypto_shash_update() which reads out of bounds and\npanics on unmapped vmalloc guard pages.\n\n BUG: unable to handle page fault for address: ffffc900038d8000\n Oops: Oops: 0000 [#1] SMP KASAN NOPTI\n RIP: 0010:sha256_blocks_generic (lib/crypto/sha256.c:152)\n Call Trace:\n <TASK>\n __sha256_update (lib/crypto/sha256.c:208)\n crypto_sha256_update (crypto/sha256.c:142)\n verify_pefile_signature (crypto/asymmetric_keys/verify_pefile.c:436)\n kexec_kernel_verify_pe_sig (kernel/kexec_file.c:151)\n __do_sys_kexec_file_load (kernel/kexec_file.c:406)\n do_syscall_64 (arch/x86/entry/syscall_64.c:94)\n entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)\n </TASK>\n Kernel panic - not syncing: Fatal exception\n\nValidate that the addition does not overflow and the result does not\nexceed pelen before the subtraction. Return -ELIBBAD on failure."
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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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"crypto/asymmetric_keys/verify_pefile.c"
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],
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"versions": [
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{
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"version": "af316fc442ef23901bbfcec5af55e69ca6ce9563",
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"lessThan": "89efd998470a93284b7ad5a20d4e0e3c6858ae8e",
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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": "af316fc442ef23901bbfcec5af55e69ca6ce9563",
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"lessThan": "7016377699b5b25b7ec3c0bf2ec3f983c7e95f7c",
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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": "af316fc442ef23901bbfcec5af55e69ca6ce9563",
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"lessThan": "b798ada5a5d1cb4cc4cfa72074b1b463eca6c506",
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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": "af316fc442ef23901bbfcec5af55e69ca6ce9563",
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"lessThan": "627938383761fb4334b41ebe7ef438d6b8b19d60",
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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": "af316fc442ef23901bbfcec5af55e69ca6ce9563",
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"lessThan": "e162bc386e71b5412425a38ee048e8d2185491b9",
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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": "af316fc442ef23901bbfcec5af55e69ca6ce9563",
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"lessThan": "6acd2fbd00f9c72aebefce63fc2e73e8f3d79061",
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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": "af316fc442ef23901bbfcec5af55e69ca6ce9563",
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"lessThan": "803591785d33cf13b6f73ce2796e8b9e6d5e6526",
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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": "af316fc442ef23901bbfcec5af55e69ca6ce9563",
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"lessThan": "f7dd32c5179d7755de18e21d5674b08f9e5cb180",
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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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"crypto/asymmetric_keys/verify_pefile.c"
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],
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"versions": [
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{
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"version": "3.17",
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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": "3.17",
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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": "5.10.261",
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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": "5.15.212",
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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": "6.1.178",
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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": "6.6.145",
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"lessThanOrEqual": "6.6.*",
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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": "6.12.97",
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"lessThanOrEqual": "6.12.*",
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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": "6.18.40",
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"lessThanOrEqual": "6.18.*",
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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": "7.1.5",
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"lessThanOrEqual": "7.1.*",
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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": "7.2",
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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": "3.17",
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"versionEndExcluding": "5.10.261"
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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": "3.17",
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"versionEndExcluding": "5.15.212"
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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": "3.17",
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"versionEndExcluding": "6.1.178"
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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": "3.17",
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"versionEndExcluding": "6.6.145"
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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": "3.17",
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"versionEndExcluding": "6.12.97"
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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": "3.17",
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"versionEndExcluding": "6.18.40"
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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": "3.17",
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"versionEndExcluding": "7.1.5"
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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": "3.17",
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"versionEndExcluding": "7.2"
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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/89efd998470a93284b7ad5a20d4e0e3c6858ae8e"
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},
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{
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"url": "https://git.kernel.org/stable/c/7016377699b5b25b7ec3c0bf2ec3f983c7e95f7c"
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},
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{
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"url": "https://git.kernel.org/stable/c/b798ada5a5d1cb4cc4cfa72074b1b463eca6c506"
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},
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{
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"url": "https://git.kernel.org/stable/c/627938383761fb4334b41ebe7ef438d6b8b19d60"
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},
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{
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"url": "https://git.kernel.org/stable/c/e162bc386e71b5412425a38ee048e8d2185491b9"
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},
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{
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"url": "https://git.kernel.org/stable/c/6acd2fbd00f9c72aebefce63fc2e73e8f3d79061"
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},
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{
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"url": "https://git.kernel.org/stable/c/803591785d33cf13b6f73ce2796e8b9e6d5e6526"
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},
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{
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"url": "https://git.kernel.org/stable/c/f7dd32c5179d7755de18e21d5674b08f9e5cb180"
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}
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],
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"title": "crypto: asymmetric_keys - fix OOB read in pefile_digest_pe_contents",
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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-2026-64544",
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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": "2026-11-06T16:41:15.630067Z"
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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": "2026-11-06T16:44:56.835Z"
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}
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}
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]
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}
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} |