{"api_version":"1","generated_at":"2026-08-29T12:13:31+00:00","cve":"CVE-2026-80614","urls":{"html":"https://cve.report/CVE-2026-80614","api":"https://cve.report/api/cve/CVE-2026-80614.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80614","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80614"},"summary":{"title":"net: emac: Fix NULL pointer dereference in emac_probe","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: emac: Fix NULL pointer dereference in emac_probe\n\nMove devm_request_irq() after devm_platform_ioremap_resource() so that\ndev->emacp is mapped before the interrupt handler can fire.  An early\ninterrupt hitting emac_irq() would dereference the NULL dev->emacp and\ncrash.\n\nAlso remove redundant error message. devm_platform_ioremap_resource()\nalready returns an error message with dev_err_probe().","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-28 08:16:45","updated_at":"2026-08-29 07:16:46"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/f623d38fe6c4e8c40b23f42cc6fe6963fa49997b","name":"https://git.kernel.org/stable/c/f623d38fe6c4e8c40b23f42cc6fe6963fa49997b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a103cdb0681e7185d1b0a12ce6a7c5416c208ccd","name":"https://git.kernel.org/stable/c/a103cdb0681e7185d1b0a12ce6a7c5416c208ccd","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/44068b6863fbda78fc810921ddf61642c377b3ca","name":"https://git.kernel.org/stable/c/44068b6863fbda78fc810921ddf61642c377b3ca","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80614","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80614","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected dcc34ef7c83473222027f475014a2bf8ab798372 a103cdb0681e7185d1b0a12ce6a7c5416c208ccd git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected dcc34ef7c83473222027f475014a2bf8ab798372 44068b6863fbda78fc810921ddf61642c377b3ca git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected dcc34ef7c83473222027f475014a2bf8ab798372 f623d38fe6c4e8c40b23f42cc6fe6963fa49997b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.12","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"80614","cve":"CVE-2026-80614","epss":"0.001660000","percentile":"0.060740000","score_date":"2026-08-28","updated_at":"2026-08-29 00:12:17"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/ibm/emac/core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a103cdb0681e7185d1b0a12ce6a7c5416c208ccd","status":"affected","version":"dcc34ef7c83473222027f475014a2bf8ab798372","versionType":"git"},{"lessThan":"44068b6863fbda78fc810921ddf61642c377b3ca","status":"affected","version":"dcc34ef7c83473222027f475014a2bf8ab798372","versionType":"git"},{"lessThan":"f623d38fe6c4e8c40b23f42cc6fe6963fa49997b","status":"affected","version":"dcc34ef7c83473222027f475014a2bf8ab798372","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/ibm/emac/core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.12"},{"lessThan":"6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"6.12","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: emac: Fix NULL pointer dereference in emac_probe\n\nMove devm_request_irq() after devm_platform_ioremap_resource() so that\ndev->emacp is mapped before the interrupt handler can fire.  An early\ninterrupt hitting emac_irq() would dereference the NULL dev->emacp and\ncrash.\n\nAlso remove redundant error message. devm_platform_ioremap_resource()\nalready returns an error message with dev_err_probe()."}],"metrics":[{"cvssV3_1":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"scenarios":[{"lang":"en","value":"AV:N - IBM EMAC error IRQs are raised by the on-chip Ethernet controller from wire-side events; a remote attacker on the attached network can send Ethernet traffic during emac_probe to assert interrupts that invoke emac_irq() before dev->emacp is ioremap'd.\nAC:L - Once devm_request_irq() registers emac_irq(), any EMAC interrupt fires immediately; an attacker can sustain Ethernet flooding throughout boot/probe, and firmware often leaves the controller active with pending IRQs that hit the narrow pre-ioremap window reliably.\nPR:N - Triggering EMAC hardware interrupts requires only the ability to send Ethernet frames on the connected network segment during driver probe, not local shell access, capabilities, or authenticated sessions.\nUI:N - Exploitation occurs during automatic platform-driver probe at kernel boot or module initialization; no discretionary user action is required beyond the device powering on with its Ethernet port connected.\nS:U - A NULL pointer dereference in the EMAC hard-IRQ handler causes a local kernel oops or panic only; it does not cross VM, container, or IOMMU security boundaries.\nC:N - The bug dereferences a NULL dev->emacp when reading ISR registers via in_be32(), causing an immediate kernel fault with no attacker-controlled memory disclosure or out-of-bounds read.\nI:N - Impact is limited to a NULL pointer fault in hardirq context; there is no heap corruption, arbitrary write, or control-flow hijack primitive beyond the crash itself.\nA:H - A NULL pointer dereference in emac_irq() hard interrupt context causes a kernel oops or panic, rendering the entire system unavailable on affected PowerPC embedded platforms."}]}],"providerMetadata":{"dateUpdated":"2026-08-29T06:21:22.838Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/a103cdb0681e7185d1b0a12ce6a7c5416c208ccd"},{"url":"https://git.kernel.org/stable/c/44068b6863fbda78fc810921ddf61642c377b3ca"},{"url":"https://git.kernel.org/stable/c/f623d38fe6c4e8c40b23f42cc6fe6963fa49997b"}],"title":"net: emac: Fix NULL pointer dereference in emac_probe","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80614","datePublished":"2026-08-28T06:48:35.720Z","dateReserved":"2026-08-26T14:34:25.773Z","dateUpdated":"2026-08-29T06:21:22.838Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-28 08:16:45","lastModifiedDate":"2026-08-29 07:16:46","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80614","Ordinal":"1","Title":"net: emac: Fix NULL pointer dereference in emac_probe","CVE":"CVE-2026-80614","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80614","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: emac: Fix NULL pointer dereference in emac_probe\n\nMove devm_request_irq() after devm_platform_ioremap_resource() so that\ndev->emacp is mapped before the interrupt handler can fire.  An early\ninterrupt hitting emac_irq() would dereference the NULL dev->emacp and\ncrash.\n\nAlso remove redundant error message. devm_platform_ioremap_resource()\nalready returns an error message with dev_err_probe().","Type":"Description","Title":"net: emac: Fix NULL pointer dereference in emac_probe"}]}}}