368 lines
18 KiB
JSON
368 lines
18 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-2026-43414",
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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": "2026-05-01T14:12:56.008Z",
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"datePublished": "2026-05-08T14:21:51.604Z",
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"dateUpdated": "2026-10-30T12:25:31.583Z"
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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": "2026-10-30T12:25:31.583Z"
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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: Completely fix fcport double free\n\nIn qla24xx_els_dcmd_iocb() sp->free is set to qla2x00_els_dcmd_sp_free().\nWhen an error happens, this function is called by qla2x00_sp_release(),\nwhen kref_put() releases the first and the last reference.\n\nqla2x00_els_dcmd_sp_free() frees fcport by calling qla2x00_free_fcport().\nDoing it one more time after kref_put() is a bad idea."
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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 - The vulnerable ELS direct-command path is reachable from a remote Fibre Channel initiator through qla2xxx target-mode ELS/session-deletion handling, not only through the root-only sysfs issue_logo knob. Using the highest reasonable SAN deployment, attacker-controlled FC frames from another host on the storage fabric make this network-reachable.\nAC:L - The bug is a deterministic double free once the ELS direct-command error path is hit after kref_put(), and the attacker can plausibly drive repeated logins/logouts/session teardown plus resource pressure to make qla2x00_start_sp() fail. No uncontrollable race is required for the memory corruption once that path is reached.\nPR:N - The FC target path processes remote ELS events before any Linux credential or capability check on the victim, so the attacker does not need a local account or kernel privilege. Fabric access/zoning is environmental network access, not privileges on the vulnerable system.\nUI:N - No victim user action is required; remote FC protocol activity can drive the target-mode session deletion and LOGO path. The sysfs path requires an admin write, but it is not the highest-severity reachable path.\nS:U - The corruption occurs inside the same kernel/driver security authority and does not cross a VM, IOMMU, or other separate security boundary. A kernel compromise or crash remains unchanged scope.\nC:H - This is kernel heap double-free/use-after-free style memory corruption of an fc_port object. Under the required overestimation rule, such corruption can be leveraged for information disclosure through heap reuse/read primitives.\nI:H - A double free of a kernel heap object can corrupt allocator state or enable controlled reuse of freed memory, making arbitrary write or control-flow compromise defensible. Therefore integrity impact is High.\nA:H - Related qla2xxx fcport double-free reports show immediate SLUB/kernel BUG crashes, and this fix removes another remaining double-free error path. A remotely triggerable kernel crash is High availability impact."
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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_iocb.c"
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],
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"status": "affected",
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"drivers/scsi/qla2xxx/qla_iocb.c"
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"status": "unaffected",
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},
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"lessThanOrEqual": "6.19.*",
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"status": "unaffected",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"url": "https://git.kernel.org/stable/c/bb9c7eca6f8f2e4a1cd8ba6711e7efe9044c0327"
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"url": "https://git.kernel.org/stable/c/4097a2afe8acc6038b71aab825430f1403decf20"
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"url": "https://git.kernel.org/stable/c/d48ea85463f5b34f7b92ea0a13eddf1ab993da7b"
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"url": "https://git.kernel.org/stable/c/c0b7da13a04bd70ef6070bfb9ea85f582294560a"
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}
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],
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"title": "scsi: qla2xxx: Completely fix fcport double free",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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"adp": [
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{
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"type": "ssvc",
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"content": {
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"id": "CVE-2026-43414",
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"role": "CISA Coordinator",
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"options": [
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{
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},
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},
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"Technical Impact": "total"
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],
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"version": "2.0.3",
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}
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"type": "CWE",
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"cweId": "CWE-415",
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"description": "CWE-415 Double Free"
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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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"shortName": "CISA-ADP",
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}
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}
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]
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}
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} |