248 lines
12 KiB
JSON
248 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-2026-72048",
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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": "2026-08-09T03:40:39.902Z",
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"datePublished": "2026-08-15T05:52:06.253Z",
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"dateUpdated": "2026-08-17T05:07:14.096Z"
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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": "2026-08-17T05:07:14.096Z"
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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\nieee802154: ca8210: fix cas_ctl leak on spi_async failure\n\nca8210_spi_transfer() allocates cas_ctl with kzalloc_obj(GFP_ATOMIC)\nand relies entirely on the SPI completion callback\nca8210_spi_transfer_complete() to free it.\n\nThe spi_async() API only invokes the completion callback on successful\nsubmission. On failure it returns a negative error code without ever\nqueuing the callback, which leaves cas_ctl and its embedded spi_message\nand spi_transfer orphaned. Every kfree(cas_ctl) in the driver is\ninside the completion callback, so there is no other reclamation path.\n\nca8210_spi_transfer() is called from ca8210_spi_exchange(), the\ninterrupt handler ca8210_interrupt_handler(), and from the retry path\ninside the completion callback itself. The exchange and interrupt\nhandler paths loop on -EBUSY, so under sustained SPI bus contention\nevery retry iteration leaks a fresh cas_ctl (~600 bytes per\noccurrence).\n\nFix it by freeing cas_ctl on the spi_async() error path. While here,\ncorrect the misleading error string: the function calls spi_async(),\nnot spi_sync()."
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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/net/ieee802154/ca8210.c"
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],
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"versions": [
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{
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"version": "ded845a781a578dfb0b5b2c138e5a067aa3b1242",
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"lessThan": "460c5cd51e4d7d15b317f178f42cfcb666c0fe91",
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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": "ded845a781a578dfb0b5b2c138e5a067aa3b1242",
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"lessThan": "b07aea90dbc6e188c74c100af64b77b9482ffc65",
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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": "ded845a781a578dfb0b5b2c138e5a067aa3b1242",
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"lessThan": "fe90605b651573d30be8293ff5be40e3d7023117",
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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": "ded845a781a578dfb0b5b2c138e5a067aa3b1242",
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"lessThan": "b9071dc7889bef42590e04fbf3e56cc65e1e5e6e",
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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": "ded845a781a578dfb0b5b2c138e5a067aa3b1242",
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"lessThan": "d4a397fe803c2d157f6ebb068b802ef75fbf109e",
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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": "ded845a781a578dfb0b5b2c138e5a067aa3b1242",
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"lessThan": "cb5cca1d2a908ddd5e357971de0f2009617b8d6a",
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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": "ded845a781a578dfb0b5b2c138e5a067aa3b1242",
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"lessThan": "7e3630fbb6aabb844bbf35746dee0bf3894100c7",
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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": "ded845a781a578dfb0b5b2c138e5a067aa3b1242",
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"lessThan": "e09390e439bd7cca30dd10893b1f64802961667a",
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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/net/ieee802154/ca8210.c"
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],
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"versions": [
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{
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"version": "4.12",
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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": "4.12",
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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": "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": "4.12",
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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": "4.12",
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"versionEndExcluding": "6.1.178"
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"versionStartIncluding": "4.12",
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"versionEndExcluding": "6.12.97"
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},
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"versionEndExcluding": "6.18.40"
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"versionStartIncluding": "4.12",
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"versionEndExcluding": "7.1.5"
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},
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}
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]
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]
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/460c5cd51e4d7d15b317f178f42cfcb666c0fe91"
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},
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{
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"url": "https://git.kernel.org/stable/c/b07aea90dbc6e188c74c100af64b77b9482ffc65"
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},
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{
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"url": "https://git.kernel.org/stable/c/fe90605b651573d30be8293ff5be40e3d7023117"
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},
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{
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"url": "https://git.kernel.org/stable/c/b9071dc7889bef42590e04fbf3e56cc65e1e5e6e"
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},
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{
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"url": "https://git.kernel.org/stable/c/d4a397fe803c2d157f6ebb068b802ef75fbf109e"
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},
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{
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"url": "https://git.kernel.org/stable/c/cb5cca1d2a908ddd5e357971de0f2009617b8d6a"
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},
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{
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"url": "https://git.kernel.org/stable/c/7e3630fbb6aabb844bbf35746dee0bf3894100c7"
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},
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{
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"url": "https://git.kernel.org/stable/c/e09390e439bd7cca30dd10893b1f64802961667a"
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}
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],
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"title": "ieee802154: ca8210: fix cas_ctl leak on spi_async failure",
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"x_generator": {
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