254 lines
12 KiB
JSON
254 lines
12 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-2026-97506",
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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": "2026-09-24T16:01:01.151Z",
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"datePublished": "2026-09-24T16:04:55.504Z",
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"dateUpdated": "2026-10-03T10:59:03.858Z"
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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": "2026-10-03T10:59:03.858Z"
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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: ixp4xx - fix buffer chain unwind on allocation failure\n\nchainup_buffers() builds a linked list of buffer descriptors for a\nscatterlist. If dma_pool_alloc() fails while constructing the list, the\ncurrent code sets buf to NULL and later dereferences it unconditionally\nat the end of the function:\n\n buf->next = NULL;\n buf->phys_next = 0;\n\nThis can lead to a null-pointer dereference on allocation failure.\n\nIf the failure happens after part of the descriptor chain has already\nbeen allocated and DMA-mapped, the partially constructed chain also\nneeds to be released.\n\nFix this by terminating the partially constructed chain on allocation\nfailure and letting the callers unwind it via their existing cleanup\npaths. Also fix ablk_perform() to preserve the hook pointers before\nchecking for failure, so partially built chains can be freed correctly."
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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/crypto/intel/ixp4xx/ixp4xx_crypto.c"
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],
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"versions": [
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{
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"version": "0d44dc59b2b434b29aafeae581d06f81efac7c83",
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"lessThan": "d4007867be42d71795b78fa7f8ce7514dda9ca83",
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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": "0d44dc59b2b434b29aafeae581d06f81efac7c83",
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"lessThan": "4918b0bd7d2baafb45d87dca9e322137c96005c2",
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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": "0d44dc59b2b434b29aafeae581d06f81efac7c83",
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"lessThan": "8c37bc8d6a6f77bf9593fb1bcab6c14c7cf02991",
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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": "0d44dc59b2b434b29aafeae581d06f81efac7c83",
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"lessThan": "04cb00106ca4d0fa9eca24cadc4eda6036e855c8",
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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": "0d44dc59b2b434b29aafeae581d06f81efac7c83",
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"lessThan": "028a7f4f3d69e551f6bf9f728d547bbf4cfc707d",
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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": "0d44dc59b2b434b29aafeae581d06f81efac7c83",
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"lessThan": "25056329384010a8672552b134f609601dc4f80e",
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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": "5a80273150a8a1725fa70418d106eb1f2ee8fd2f",
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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": "82a8becb9c2c52fc5e67057a43aeded1f0731e7b",
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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": "68845515c8b11791b547a2838e22c27dfa3115ee",
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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": "2.6.27.22",
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"lessThan": "2.6.28",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "2.6.28.10",
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"lessThan": "2.6.29",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "2.6.29.3",
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"lessThan": "2.6.30",
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"status": "affected",
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"versionType": "semver"
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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/crypto/intel/ixp4xx/ixp4xx_crypto.c"
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],
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"versions": [
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{
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"version": "2.6.30",
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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": "2.6.30",
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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": "5.15.222",
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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": "6.1.189",
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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": "6.6.158",
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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": "6.12.111",
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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": "6.18.53",
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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": "7.2",
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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": "2.6.30",
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"versionEndExcluding": "5.15.222"
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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": "2.6.30",
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"versionEndExcluding": "6.1.189"
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},
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"versionEndExcluding": "6.6.158"
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"versionStartIncluding": "2.6.30",
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"versionEndExcluding": "6.12.111"
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"versionStartIncluding": "2.6.30",
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"versionEndExcluding": "6.18.53"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.30",
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"versionEndExcluding": "7.2"
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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": "2.6.27.22"
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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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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/d4007867be42d71795b78fa7f8ce7514dda9ca83"
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},
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{
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"url": "https://git.kernel.org/stable/c/4918b0bd7d2baafb45d87dca9e322137c96005c2"
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},
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{
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"url": "https://git.kernel.org/stable/c/8c37bc8d6a6f77bf9593fb1bcab6c14c7cf02991"
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},
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{
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"url": "https://git.kernel.org/stable/c/04cb00106ca4d0fa9eca24cadc4eda6036e855c8"
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},
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{
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"url": "https://git.kernel.org/stable/c/028a7f4f3d69e551f6bf9f728d547bbf4cfc707d"
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},
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{
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"url": "https://git.kernel.org/stable/c/25056329384010a8672552b134f609601dc4f80e"
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}
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],
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"title": "crypto: ixp4xx - fix buffer chain unwind on allocation failure",
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