{"api_version":"1","generated_at":"2026-07-24T23:45:12+00:00","cve":"CVE-2026-63862","urls":{"html":"https://cve.report/CVE-2026-63862","api":"https://cve.report/api/cve/CVE-2026-63862.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-63862","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-63862"},"summary":{"title":"PCI: mediatek-gen3: Prevent leaking IRQ domains when IRQ not found","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: mediatek-gen3: Prevent leaking IRQ domains when IRQ not found\n\nIn mtk_pcie_setup_irq(), the IRQ domains are allocated before the\ncontroller's IRQ is fetched. If the latter fails, the function\ndirectly returns an error, without cleaning up the allocated domains.\n\nHence, reverse the order so that the IRQ domains are allocated after the\ncontroller's IRQ is found.\n\nThis was flagged by Sashiko during a review of \"[PATCH v6 0/7] PCI:\nmediatek-gen3: add power control support\".","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 15:16:53","updated_at":"2026-07-19 15:16:53"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/5573c44cb3fd01a9f62d569ae9ac870ef5f0e0ba","name":"https://git.kernel.org/stable/c/5573c44cb3fd01a9f62d569ae9ac870ef5f0e0ba","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/abd3c1927d33766aef39c4640880e3d2637429c2","name":"https://git.kernel.org/stable/c/abd3c1927d33766aef39c4640880e3d2637429c2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0a2d60edc3e57c9512e239ebdfd12204d3368560","name":"https://git.kernel.org/stable/c/0a2d60edc3e57c9512e239ebdfd12204d3368560","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/215d4273347b9010a9deae378b0df79c163f707d","name":"https://git.kernel.org/stable/c/215d4273347b9010a9deae378b0df79c163f707d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/07a5ecb94768cbf76fe659e9924000e9ced0c8a6","name":"https://git.kernel.org/stable/c/07a5ecb94768cbf76fe659e9924000e9ced0c8a6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/946b31b5a699a2760ee52af0055e5ebf29c5f4cb","name":"https://git.kernel.org/stable/c/946b31b5a699a2760ee52af0055e5ebf29c5f4cb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-63862","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63862","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 814cceebba9b7d1306b8d49587ffb0e81f7b73af abd3c1927d33766aef39c4640880e3d2637429c2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 814cceebba9b7d1306b8d49587ffb0e81f7b73af 07a5ecb94768cbf76fe659e9924000e9ced0c8a6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 814cceebba9b7d1306b8d49587ffb0e81f7b73af 946b31b5a699a2760ee52af0055e5ebf29c5f4cb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 814cceebba9b7d1306b8d49587ffb0e81f7b73af 0a2d60edc3e57c9512e239ebdfd12204d3368560 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 814cceebba9b7d1306b8d49587ffb0e81f7b73af 215d4273347b9010a9deae378b0df79c163f707d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 814cceebba9b7d1306b8d49587ffb0e81f7b73af 5573c44cb3fd01a9f62d569ae9ac870ef5f0e0ba git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.13","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.13 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.175 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.141 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.91 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.33 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.10 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"63862","cve":"CVE-2026-63862","epss":"0.001610000","percentile":"0.056260000","score_date":"2026-07-20","updated_at":"2026-07-21 00:13:14"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/pci/controller/pcie-mediatek-gen3.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"abd3c1927d33766aef39c4640880e3d2637429c2","status":"affected","version":"814cceebba9b7d1306b8d49587ffb0e81f7b73af","versionType":"git"},{"lessThan":"07a5ecb94768cbf76fe659e9924000e9ced0c8a6","status":"affected","version":"814cceebba9b7d1306b8d49587ffb0e81f7b73af","versionType":"git"},{"lessThan":"946b31b5a699a2760ee52af0055e5ebf29c5f4cb","status":"affected","version":"814cceebba9b7d1306b8d49587ffb0e81f7b73af","versionType":"git"},{"lessThan":"0a2d60edc3e57c9512e239ebdfd12204d3368560","status":"affected","version":"814cceebba9b7d1306b8d49587ffb0e81f7b73af","versionType":"git"},{"lessThan":"215d4273347b9010a9deae378b0df79c163f707d","status":"affected","version":"814cceebba9b7d1306b8d49587ffb0e81f7b73af","versionType":"git"},{"lessThan":"5573c44cb3fd01a9f62d569ae9ac870ef5f0e0ba","status":"affected","version":"814cceebba9b7d1306b8d49587ffb0e81f7b73af","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/pci/controller/pcie-mediatek-gen3.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.13"},{"lessThan":"5.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.141","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.175","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.141","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.91","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.33","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.10","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"5.13","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: mediatek-gen3: Prevent leaking IRQ domains when IRQ not found\n\nIn mtk_pcie_setup_irq(), the IRQ domains are allocated before the\ncontroller's IRQ is fetched. If the latter fails, the function\ndirectly returns an error, without cleaning up the allocated domains.\n\nHence, reverse the order so that the IRQ domains are allocated after the\ncontroller's IRQ is found.\n\nThis was flagged by Sashiko during a review of \"[PATCH v6 0/7] PCI:\nmediatek-gen3: add power control support\"."}],"providerMetadata":{"dateUpdated":"2026-07-19T14:04:49.380Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/abd3c1927d33766aef39c4640880e3d2637429c2"},{"url":"https://git.kernel.org/stable/c/07a5ecb94768cbf76fe659e9924000e9ced0c8a6"},{"url":"https://git.kernel.org/stable/c/946b31b5a699a2760ee52af0055e5ebf29c5f4cb"},{"url":"https://git.kernel.org/stable/c/0a2d60edc3e57c9512e239ebdfd12204d3368560"},{"url":"https://git.kernel.org/stable/c/215d4273347b9010a9deae378b0df79c163f707d"},{"url":"https://git.kernel.org/stable/c/5573c44cb3fd01a9f62d569ae9ac870ef5f0e0ba"}],"title":"PCI: mediatek-gen3: Prevent leaking IRQ domains when IRQ not found","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-63862","datePublished":"2026-07-19T14:04:49.380Z","dateReserved":"2026-07-19T07:54:57.017Z","dateUpdated":"2026-07-19T14:04:49.380Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 15:16:53","lastModifiedDate":"2026-07-19 15:16:53","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"63862","Ordinal":"1","Title":"PCI: mediatek-gen3: Prevent leaking IRQ domains when IRQ not fou","CVE":"CVE-2026-63862","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"63862","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: mediatek-gen3: Prevent leaking IRQ domains when IRQ not found\n\nIn mtk_pcie_setup_irq(), the IRQ domains are allocated before the\ncontroller's IRQ is fetched. If the latter fails, the function\ndirectly returns an error, without cleaning up the allocated domains.\n\nHence, reverse the order so that the IRQ domains are allocated after the\ncontroller's IRQ is found.\n\nThis was flagged by Sashiko during a review of \"[PATCH v6 0/7] PCI:\nmediatek-gen3: add power control support\".","Type":"Description","Title":"PCI: mediatek-gen3: Prevent leaking IRQ domains when IRQ not fou"}]}}}