{ "dataType": "CVE_RECORD", "cveMetadata": { "cveId": "CVE-2024-27437", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-25T13:47:42.687Z", "datePublished": "2024-04-05T08:24:44.561Z", "dateUpdated": "2026-05-12T11:51:40.351Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:10:47.644Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvfio/pci: Disable auto-enable of exclusive INTx IRQ\n\nCurrently for devices requiring masking at the irqchip for INTx, ie.\ndevices without DisINTx support, the IRQ is enabled in request_irq()\nand subsequently disabled as necessary to align with the masked status\nflag. This presents a window where the interrupt could fire between\nthese events, resulting in the IRQ incrementing the disable depth twice.\nThis would be unrecoverable for a user since the masked flag prevents\nnested enables through vfio.\n\nInstead, invert the logic using IRQF_NO_AUTOEN such that exclusive INTx\nis never auto-enabled, then unmask as required." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/vfio/pci/vfio_pci_intrs.c" ], "versions": [ { "version": "89e1f7d4c66d85f42c3d52ea3866eb10cadf6153", "lessThan": "26389925d6c2126fb777821a0a983adca7ee6351", "status": "affected", "versionType": "git" }, { "version": "89e1f7d4c66d85f42c3d52ea3866eb10cadf6153", "lessThan": "561d5e1998d58b54ce2bbbb3e843b669aa0b3db5", "status": "affected", "versionType": "git" }, { "version": "89e1f7d4c66d85f42c3d52ea3866eb10cadf6153", "lessThan": "b7a2f0955ffceffadfe098b40b50307431f45438", "status": "affected", "versionType": "git" }, { "version": "89e1f7d4c66d85f42c3d52ea3866eb10cadf6153", "lessThan": "139dfcc4d723ab13469881200c7d80f49d776060", "status": "affected", "versionType": "git" }, { "version": "89e1f7d4c66d85f42c3d52ea3866eb10cadf6153", "lessThan": "2a4a666c45107206605b7b5bc20545f8aabc4fa2", "status": "affected", "versionType": "git" }, { "version": "89e1f7d4c66d85f42c3d52ea3866eb10cadf6153", "lessThan": "3b3491ad0f80d913e7d255941d4470f4a4d9bfda", "status": "affected", "versionType": "git" }, { "version": "89e1f7d4c66d85f42c3d52ea3866eb10cadf6153", "lessThan": "bf0bc84a20e6109ab07d5dc072067bd01eb931ec", "status": "affected", "versionType": "git" }, { "version": "89e1f7d4c66d85f42c3d52ea3866eb10cadf6153", "lessThan": "fe9a7082684eb059b925c535682e68c34d487d43", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/vfio/pci/vfio_pci_intrs.c" ], "versions": [ { "version": "3.6", "status": "affected" }, { "version": "0", "lessThan": "3.6", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.274", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.215", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.154", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.84", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.24", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.7.12", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.8.3", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.9", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6", "versionEndExcluding": "5.4.274" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6", "versionEndExcluding": "5.10.215" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6", "versionEndExcluding": "5.15.154" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6", "versionEndExcluding": "6.1.84" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6", "versionEndExcluding": "6.6.24" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6", "versionEndExcluding": "6.7.12" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6", "versionEndExcluding": "6.8.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.6", "versionEndExcluding": "6.9" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/26389925d6c2126fb777821a0a983adca7ee6351" }, { "url": "https://git.kernel.org/stable/c/561d5e1998d58b54ce2bbbb3e843b669aa0b3db5" }, { "url": "https://git.kernel.org/stable/c/b7a2f0955ffceffadfe098b40b50307431f45438" }, { "url": "https://git.kernel.org/stable/c/139dfcc4d723ab13469881200c7d80f49d776060" }, { "url": "https://git.kernel.org/stable/c/2a4a666c45107206605b7b5bc20545f8aabc4fa2" }, { "url": "https://git.kernel.org/stable/c/3b3491ad0f80d913e7d255941d4470f4a4d9bfda" }, { "url": "https://git.kernel.org/stable/c/bf0bc84a20e6109ab07d5dc072067bd01eb931ec" }, { "url": "https://git.kernel.org/stable/c/fe9a7082684eb059b925c535682e68c34d487d43" } ], "title": "vfio/pci: Disable auto-enable of exclusive INTx IRQ", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2024-04-05T13:39:05.639772Z", "id": "CVE-2024-27437", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-06T19:03:26.352Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:34:52.326Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/26389925d6c2126fb777821a0a983adca7ee6351", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/561d5e1998d58b54ce2bbbb3e843b669aa0b3db5", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/b7a2f0955ffceffadfe098b40b50307431f45438", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/139dfcc4d723ab13469881200c7d80f49d776060", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/2a4a666c45107206605b7b5bc20545f8aabc4fa2", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/3b3491ad0f80d913e7d255941d4470f4a4d9bfda", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/bf0bc84a20e6109ab07d5dc072067bd01eb931ec", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/fe9a7082684eb059b925c535682e68c34d487d43", "tags": [ "x_transferred" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html", "tags": [ "x_transferred" ] } ] }, { "x_adpType": "supplier", "providerMetadata": { "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-05-12T11:51:40.351Z" }, "affected": [ { "vendor": "Siemens", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "versions": [ { "status": "affected", "version": "0", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" } ], "references": [ { "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html" } ] } ] }, "dataVersion": "5.2" }