227 lines
11 KiB
JSON
227 lines
11 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-2023-54056",
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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": "2025-12-24T12:21:05.091Z",
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"datePublished": "2025-12-24T12:23:04.559Z",
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"dateUpdated": "2026-05-11T19:54:38.759Z"
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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": "2026-05-11T19:54:38.759Z"
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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\nkheaders: Use array declaration instead of char\n\nUnder CONFIG_FORTIFY_SOURCE, memcpy() will check the size of destination\nand source buffers. Defining kernel_headers_data as \"char\" would trip\nthis check. Since these addresses are treated as byte arrays, define\nthem as arrays (as done everywhere else).\n\nThis was seen with:\n\n $ cat /sys/kernel/kheaders.tar.xz >> /dev/null\n\n detected buffer overflow in memcpy\n kernel BUG at lib/string_helpers.c:1027!\n ...\n RIP: 0010:fortify_panic+0xf/0x20\n [...]\n Call Trace:\n <TASK>\n ikheaders_read+0x45/0x50 [kheaders]\n kernfs_fop_read_iter+0x1a4/0x2f0\n ..."
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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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"kernel/kheaders.c"
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],
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"versions": [
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{
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"version": "43d8ce9d65a54846d378545770991e65838981e0",
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"lessThan": "719459877d58c8aced5845c1e5b98d8d87d09197",
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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": "43d8ce9d65a54846d378545770991e65838981e0",
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"lessThan": "fcd2da2e6bf2640a31a2a5b118b50dc3635c707b",
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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": "43d8ce9d65a54846d378545770991e65838981e0",
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"lessThan": "4a07d2d511e2703efd4387891d49e0326f1157f3",
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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": "43d8ce9d65a54846d378545770991e65838981e0",
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"lessThan": "b9f6845a492de20679b84bda6b08be347c5819da",
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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": "43d8ce9d65a54846d378545770991e65838981e0",
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"lessThan": "d6d1af6b8611801b585c53c0cc63626c8d339e96",
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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": "43d8ce9d65a54846d378545770991e65838981e0",
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"lessThan": "82d2e01b95c439fe55fab5e04fc83387c42d3a48",
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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": "43d8ce9d65a54846d378545770991e65838981e0",
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"lessThan": "b69edab47f1da8edd8e7bfdf8c70f51a2a5d89fb",
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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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"kernel/kheaders.c"
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],
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"versions": [
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{
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"version": "5.2",
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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": "5.2",
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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": "5.4.243",
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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": "5.10.180",
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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": "5.15.111",
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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": "6.1.28",
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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": "6.2.15",
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"lessThanOrEqual": "6.2.*",
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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": "6.3.2",
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"lessThanOrEqual": "6.3.*",
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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",
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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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"operator": "OR",
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"negate": false,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.2",
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"versionEndExcluding": "5.4.243"
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/719459877d58c8aced5845c1e5b98d8d87d09197"
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},
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{
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"url": "https://git.kernel.org/stable/c/fcd2da2e6bf2640a31a2a5b118b50dc3635c707b"
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},
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{
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"url": "https://git.kernel.org/stable/c/4a07d2d511e2703efd4387891d49e0326f1157f3"
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},
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{
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"url": "https://git.kernel.org/stable/c/b9f6845a492de20679b84bda6b08be347c5819da"
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},
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{
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"url": "https://git.kernel.org/stable/c/d6d1af6b8611801b585c53c0cc63626c8d339e96"
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},
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{
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"url": "https://git.kernel.org/stable/c/82d2e01b95c439fe55fab5e04fc83387c42d3a48"
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},
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{
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"url": "https://git.kernel.org/stable/c/b69edab47f1da8edd8e7bfdf8c70f51a2a5d89fb"
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}
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],
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"title": "kheaders: Use array declaration instead of char",
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