143 lines
7.0 KiB
JSON
143 lines
7.0 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-2026-90082",
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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": "2026-09-11T19:38:34.785Z",
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"datePublished": "2026-09-17T16:05:59.532Z",
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"dateUpdated": "2026-10-19T08:57:38.727Z"
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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": "2026-10-19T08:57:38.727Z"
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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\nnet: mana: Cap MSI-X vectors to the device MSI-X table size\n\nmana_gd_query_max_resources() sizes gc->num_msix_usable from resp.max_msix\nand the CPU count, but never from the device MSI-X table. On a 1792 vCPU\nM-series VM that yields 1793 while the table has 1024 entries, and\nmana_gd_setup_remaining_irqs() then walks indices 1..1792, running off the\nend of the region mapped by msix_map_region():\n\n BUG: unable to handle page fault for address: ff8e347f8b99800c\n RIP: 0010:msix_prepare_msi_desc+0x7a/0x90\n RAX: 0000000000004000 RBX: ff4330cb164ea780 RCX: ff8e347f8b998000\n Call Trace:\n <TASK>\n __msi_domain_alloc_irqs+0x13a/0x440\n msi_domain_alloc_irq_at+0x149/0x1b0\n mana_gd_setup+0x351/0x890\n mana_gd_probe+0x274/0x390\n </TASK>\n\nRAX is index 1024 * PCI_MSIX_ENTRY_SIZE, one entry past the table.\n\nmsi_insert_desc() does range check the index, but only against the MSI\ndomain hwsize, which matches the table only for devices on an MSI parent\ndomain. With a global PCI/MSI domain hwsize is MSI_XA_DOMAIN_SIZE, so\nnothing bounds the request.\n\nCap num_msix_usable with pci_msix_vec_count()."
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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/ethernet/microsoft/mana/gdma_main.c"
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],
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"versions": [
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{
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"version": "755391121038c06cb653241aa94dcabd87179f62",
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"lessThan": "7b3e08eea1e8cae37e84540c5cb4aee4887e46ac",
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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": "755391121038c06cb653241aa94dcabd87179f62",
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"lessThan": "4f9827b314ee57cd99f86f8dbadcaf567112e2b2",
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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": "755391121038c06cb653241aa94dcabd87179f62",
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"lessThan": "2c7493f980140a5c40eb4f98f97c557193a2c330",
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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/ethernet/microsoft/mana/gdma_main.c"
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],
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"versions": [
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{
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"version": "6.17",
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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": "6.17",
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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": "6.18.57",
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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": "7.2.6",
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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": "6.17",
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"versionEndExcluding": "6.18.57"
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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": "6.17",
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"versionEndExcluding": "7.2.6"
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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": "6.17",
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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/7b3e08eea1e8cae37e84540c5cb4aee4887e46ac"
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},
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{
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"url": "https://git.kernel.org/stable/c/4f9827b314ee57cd99f86f8dbadcaf567112e2b2"
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},
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{
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"url": "https://git.kernel.org/stable/c/2c7493f980140a5c40eb4f98f97c557193a2c330"
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}
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],
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"title": "net: mana: Cap MSI-X vectors to the device MSI-X table size",
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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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} |