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-2026-80791",
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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": "2026-08-26T14:34:25.793Z",
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"datePublished": "2026-09-04T15:13:03.204Z",
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"dateUpdated": "2026-10-19T08:43:44.536Z"
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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": "2026-10-19T08:43:44.536Z"
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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\nnvmet-auth: zero the AUTH_RECEIVE response buffer\n\nnvmet_execute_auth_receive() allocates the response buffer with kmalloc()\nsized by the host-supplied AUTH_RECEIVE allocation length, but the\nDH-HMAC-CHAP builders write only a fixed-size message into it. The full\nallocation length is then copied to the wire by nvmet_copy_to_sgl(), so a\nremote initiator receives the bytes past the built message -- up to nearly\na page of uninitialized slab -- during the pre-authentication handshake.\n\nAllocate the buffer with kzalloc() so the unwritten tail is zeroed before\nit is sent; conforming responses are unaffected."
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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/nvme/target/fabrics-cmd-auth.c"
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],
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"versions": [
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{
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"version": "db1312dd95488b5e6ff362ff66fcf953a46b1821",
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"lessThan": "447b668faa14710f611e714031e3739ac3ec3a4f",
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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": "db1312dd95488b5e6ff362ff66fcf953a46b1821",
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"lessThan": "8f6363c8d54dde95982f0ab45e77cf57ec0efd62",
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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": "db1312dd95488b5e6ff362ff66fcf953a46b1821",
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"lessThan": "dfcf013f77709ebdb282767edc2795a37cab5b57",
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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": "db1312dd95488b5e6ff362ff66fcf953a46b1821",
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"lessThan": "b26189d28442183a8b5edb754f4a6918f77ca84e",
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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": "db1312dd95488b5e6ff362ff66fcf953a46b1821",
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"lessThan": "2dcc9226203da7275a9c29d20007da278d73d5e9",
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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": "db1312dd95488b5e6ff362ff66fcf953a46b1821",
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"lessThan": "1d6837d98bf966a041af65de5f78de7409ff83bc",
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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": "db1312dd95488b5e6ff362ff66fcf953a46b1821",
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"lessThan": "3ddcfb013322aa37eaa7a0d344b73079c38dfa21",
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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/nvme/target/fabrics-cmd-auth.c"
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],
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"versions": [
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{
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"version": "6.0",
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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": "6.0",
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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": "6.1.185",
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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": "6.6.154",
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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": "6.12.106",
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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": "6.18.47",
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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": "7.1.11",
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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": "7.2.1",
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"lessThanOrEqual": "7.2.*",
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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": "7.3",
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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": "6.0",
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"versionEndExcluding": "6.1.185"
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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": "6.0",
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"versionEndExcluding": "6.6.154"
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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": "6.0",
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"versionEndExcluding": "6.12.106"
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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": "6.0",
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"versionEndExcluding": "6.18.47"
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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": "6.0",
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"versionEndExcluding": "7.1.11"
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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": "6.0",
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"versionEndExcluding": "7.2.1"
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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": "6.0",
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"versionEndExcluding": "7.3"
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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/447b668faa14710f611e714031e3739ac3ec3a4f"
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},
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{
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"url": "https://git.kernel.org/stable/c/8f6363c8d54dde95982f0ab45e77cf57ec0efd62"
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},
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{
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"url": "https://git.kernel.org/stable/c/dfcf013f77709ebdb282767edc2795a37cab5b57"
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},
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{
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"url": "https://git.kernel.org/stable/c/b26189d28442183a8b5edb754f4a6918f77ca84e"
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},
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{
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"url": "https://git.kernel.org/stable/c/2dcc9226203da7275a9c29d20007da278d73d5e9"
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},
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{
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"url": "https://git.kernel.org/stable/c/1d6837d98bf966a041af65de5f78de7409ff83bc"
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},
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{
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"url": "https://git.kernel.org/stable/c/3ddcfb013322aa37eaa7a0d344b73079c38dfa21"
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}
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],
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"title": "nvmet-auth: zero the AUTH_RECEIVE response buffer",
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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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}
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} |