235 lines
12 KiB
JSON
235 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-2025-68741",
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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": "2025-12-24T10:30:51.030Z",
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"datePublished": "2025-12-24T12:09:38.655Z",
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"dateUpdated": "2026-08-05T12:11:13.586Z"
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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": "2026-08-05T12:11:13.586Z"
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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\nscsi: qla2xxx: Fix improper freeing of purex item\n\nIn qla2xxx_process_purls_iocb(), an item is allocated via\nqla27xx_copy_multiple_pkt(), which internally calls\nqla24xx_alloc_purex_item().\n\nThe qla24xx_alloc_purex_item() function may return a pre-allocated item\nfrom a per-adapter pool for small allocations, instead of dynamically\nallocating memory with kzalloc().\n\nAn error handling path in qla2xxx_process_purls_iocb() incorrectly uses\nkfree() to release the item. If the item was from the pre-allocated\npool, calling kfree() on it is a bug that can lead to memory corruption.\n\nFix this by using the correct deallocation function,\nqla24xx_free_purex_item(), which properly handles both dynamically\nallocated and pre-allocated items."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 9.8,
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"baseSeverity": "CRITICAL"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:N - An attacker-controlled or compromised FC-NVMe target can send unsolicited Link Service frames that HBA firmware delivers as PT_LS4_UNSOL to the vulnerable function. This remote storage-network traffic can traverse switched or extended FC fabrics without local victim access.\nAC:L - The peer controls a sub-64-byte LS request so qla24xx_alloc_purex_item() selects the embedded default item, and repeated request flooding can pressure GFP_ATOMIC allocations until the subsequent context allocation fails. No attacker-uncontrollable race or address guess is required.\nPR:N - The source ID must match a discovered, non-deleted FC port, but the vulnerable path performs no credential, capability, or authorization check. An attacker operating that remote peer requires no privileges on the victim.\nUI:N - Processing occurs automatically in the HBA interrupt response path when the unsolicited FC-NVMe frame arrives. No victim action is required during exploitation.\nS:U - The corruption compromises the kernel and resources governed by that same host security authority. It does not inherently cross a VM, IOMMU, or other separate security boundary.\nC:H - Freeing the embedded item can poison allocator metadata or release memory backing the live Scsi_Host and qla adapter state, creating a powerful use-after-free and reclaim opportunity. Heap shaping can leverage this corruption to disclose arbitrary kernel memory.\nI:H - The invalid free permits reuse and corruption of live kernel and adapter structures. Attacker-influenced allocations and payload processing can turn this into arbitrary writes or control-flow hijacking.\nA:H - The invalid free can immediately trigger allocator diagnostics, an oops, or a panic, while undetected slab corruption and use-after-free can crash the kernel later. The remote peer can repeat the triggering traffic."
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}
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]
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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/scsi/qla2xxx/qla_nvme.c"
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],
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"versions": [
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{
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"version": "875386b98857822b77ac7f95bdf367b70af5b78c",
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"lessThan": "4bccd506a1f1ab01d1f45b2a3effff6bedc73cf9",
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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": "875386b98857822b77ac7f95bdf367b70af5b78c",
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"lessThan": "8e9f0a0717ba31d5842721627ade1e62d7aec012",
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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": "875386b98857822b77ac7f95bdf367b70af5b78c",
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"lessThan": "cfe3e2f768d248fd3d965d561d0768a56dd0b9f8",
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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": "875386b98857822b77ac7f95bdf367b70af5b78c",
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"lessThan": "5fa1c8226b4532ad7011d295d3ab4ad45df105ae",
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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": "875386b98857822b77ac7f95bdf367b70af5b78c",
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"lessThan": "78b1a242fe612a755f2158fd206ee6bb577d18ca",
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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/scsi/qla2xxx/qla_nvme.c"
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],
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"versions": [
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{
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"version": "6.6",
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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": "6.6",
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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": "6.6.120",
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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": "6.12.63",
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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": "6.17.13",
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"lessThanOrEqual": "6.17.*",
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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": "6.18.2",
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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": "6.19",
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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": "6.6",
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"versionEndExcluding": "6.6.120"
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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": "6.6",
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"versionEndExcluding": "6.12.63"
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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": "6.6",
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"versionEndExcluding": "6.17.13"
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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": "6.6",
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"versionEndExcluding": "6.18.2"
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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": "6.6",
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"versionEndExcluding": "6.19"
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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/4bccd506a1f1ab01d1f45b2a3effff6bedc73cf9"
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},
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{
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"url": "https://git.kernel.org/stable/c/8e9f0a0717ba31d5842721627ade1e62d7aec012"
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},
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{
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"url": "https://git.kernel.org/stable/c/cfe3e2f768d248fd3d965d561d0768a56dd0b9f8"
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},
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{
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"url": "https://git.kernel.org/stable/c/5fa1c8226b4532ad7011d295d3ab4ad45df105ae"
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},
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{
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"url": "https://git.kernel.org/stable/c/78b1a242fe612a755f2158fd206ee6bb577d18ca"
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}
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],
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"title": "scsi: qla2xxx: Fix improper freeing of purex item",
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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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"timestamp": "2026-06-16T19:31:58.802980Z",
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"id": "CVE-2025-68741",
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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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"role": "CISA Coordinator",
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"version": "2.0.3"
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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": "2026-06-16T19:32:08.437Z"
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}
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}
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]
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}
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} |