{"api_version":"1","generated_at":"2026-08-01T16:47:15+00:00","cve":"CVE-2026-64462","urls":{"html":"https://cve.report/CVE-2026-64462","api":"https://cve.report/api/cve/CVE-2026-64462.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64462","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64462"},"summary":{"title":"PCI: altera: Fix resource leaks on probe failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: altera: Fix resource leaks on probe failure\n\nThe chained IRQ handler is set during probe, but is only removed during the\ndriver remove(). If pci_host_probe() fails, the handler and INTx IRQ\ndomain remain set even though the devm-managed host bridge storage\ncontaining struct altera_pcie will be released, leaving the handler with\na stale data pointer.\n\nInterrupts are also enabled before pci_host_probe() is called. If probe\nfails after that point, the controller interrupt source should be disabled\nbefore the chained handler and INTx domain are removed.\n\nSo set the chained handler only after the INTx domain has been created.\nDisable controller interrupts during IRQ teardown, and tear the IRQ setup\ndown if pci_host_probe() fails.\n\n[mani: commit log]","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-25 10:17:31","updated_at":"2026-07-25 10:17:31"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/0db9aa9ec51be0a0ffdcdfd9af2b7bf3aeb7911a","name":"https://git.kernel.org/stable/c/0db9aa9ec51be0a0ffdcdfd9af2b7bf3aeb7911a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/af7cf5d56d7d57c4fbfdb7b5b693790f331b07b7","name":"https://git.kernel.org/stable/c/af7cf5d56d7d57c4fbfdb7b5b693790f331b07b7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/09c43b7b7d29c6fadb27f32cdf7f3bb6598befa9","name":"https://git.kernel.org/stable/c/09c43b7b7d29c6fadb27f32cdf7f3bb6598befa9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7a94138caeb27f3c49c1dbd93bf422098925bb28","name":"https://git.kernel.org/stable/c/7a94138caeb27f3c49c1dbd93bf422098925bb28","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/99fc088d6cc6890ae35fa2f29c50ebe027844c20","name":"https://git.kernel.org/stable/c/99fc088d6cc6890ae35fa2f29c50ebe027844c20","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6864c789b570e57f932847fa83f6b56917182d73","name":"https://git.kernel.org/stable/c/6864c789b570e57f932847fa83f6b56917182d73","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9cf0cc481e1645ec65e61486ae41c486c59781cb","name":"https://git.kernel.org/stable/c/9cf0cc481e1645ec65e61486ae41c486c59781cb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a25bfa2a6665a1d77324d4a609e7513b87680227","name":"https://git.kernel.org/stable/c/a25bfa2a6665a1d77324d4a609e7513b87680227","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64462","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64462","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c63aed7334c21de8d626ff028ccad98cf5847a0e af7cf5d56d7d57c4fbfdb7b5b693790f331b07b7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c63aed7334c21de8d626ff028ccad98cf5847a0e 9cf0cc481e1645ec65e61486ae41c486c59781cb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c63aed7334c21de8d626ff028ccad98cf5847a0e 99fc088d6cc6890ae35fa2f29c50ebe027844c20 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c63aed7334c21de8d626ff028ccad98cf5847a0e a25bfa2a6665a1d77324d4a609e7513b87680227 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.212 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.178 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.145 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.39 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.4 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"64462","cve":"CVE-2026-64462","epss":"0.001840000","percentile":"0.083470000","score_date":"2026-07-28","updated_at":"2026-07-29 00:05:33"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/pci/controller/pcie-altera.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"af7cf5d56d7d57c4fbfdb7b5b693790f331b07b7","status":"affected","version":"c63aed7334c21de8d626ff028ccad98cf5847a0e","versionType":"git"},{"lessThan":"9cf0cc481e1645ec65e61486ae41c486c59781cb","status":"affected","version":"c63aed7334c21de8d626ff028ccad98cf5847a0e","versionType":"git"},{"lessThan":"99fc088d6cc6890ae35fa2f29c50ebe027844c20","status":"affected","version":"c63aed7334c21de8d626ff028ccad98cf5847a0e","versionType":"git"},{"lessThan":"a25bfa2a6665a1d77324d4a609e7513b87680227","status":"affected","version":"c63aed7334c21de8d626ff028ccad98cf5847a0e","versionType":"git"},{"lessThan":"0db9aa9ec51be0a0ffdcdfd9af2b7bf3aeb7911a","status":"affected","version":"c63aed7334c21de8d626ff028ccad98cf5847a0e","versionType":"git"},{"lessThan":"09c43b7b7d29c6fadb27f32cdf7f3bb6598befa9","status":"affected","version":"c63aed7334c21de8d626ff028ccad98cf5847a0e","versionType":"git"},{"lessThan":"6864c789b570e57f932847fa83f6b56917182d73","status":"affected","version":"c63aed7334c21de8d626ff028ccad98cf5847a0e","versionType":"git"},{"lessThan":"7a94138caeb27f3c49c1dbd93bf422098925bb28","status":"affected","version":"c63aed7334c21de8d626ff028ccad98cf5847a0e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/pci/controller/pcie-altera.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.9"},{"lessThan":"5.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.261","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.39","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.261","versionStartIncluding":"5.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.212","versionStartIncluding":"5.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.178","versionStartIncluding":"5.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"5.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"5.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.39","versionStartIncluding":"5.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.4","versionStartIncluding":"5.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"5.9","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: altera: Fix resource leaks on probe failure\n\nThe chained IRQ handler is set during probe, but is only removed during the\ndriver remove(). If pci_host_probe() fails, the handler and INTx IRQ\ndomain remain set even though the devm-managed host bridge storage\ncontaining struct altera_pcie will be released, leaving the handler with\na stale data pointer.\n\nInterrupts are also enabled before pci_host_probe() is called. If probe\nfails after that point, the controller interrupt source should be disabled\nbefore the chained handler and INTx domain are removed.\n\nSo set the chained handler only after the INTx domain has been created.\nDisable controller interrupts during IRQ teardown, and tear the IRQ setup\ndown if pci_host_probe() fails.\n\n[mani: commit log]"}],"providerMetadata":{"dateUpdated":"2026-07-25T08:51:29.013Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/af7cf5d56d7d57c4fbfdb7b5b693790f331b07b7"},{"url":"https://git.kernel.org/stable/c/9cf0cc481e1645ec65e61486ae41c486c59781cb"},{"url":"https://git.kernel.org/stable/c/99fc088d6cc6890ae35fa2f29c50ebe027844c20"},{"url":"https://git.kernel.org/stable/c/a25bfa2a6665a1d77324d4a609e7513b87680227"},{"url":"https://git.kernel.org/stable/c/0db9aa9ec51be0a0ffdcdfd9af2b7bf3aeb7911a"},{"url":"https://git.kernel.org/stable/c/09c43b7b7d29c6fadb27f32cdf7f3bb6598befa9"},{"url":"https://git.kernel.org/stable/c/6864c789b570e57f932847fa83f6b56917182d73"},{"url":"https://git.kernel.org/stable/c/7a94138caeb27f3c49c1dbd93bf422098925bb28"}],"title":"PCI: altera: Fix resource leaks on probe failure","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64462","datePublished":"2026-07-25T08:51:29.013Z","dateReserved":"2026-07-19T15:36:31.789Z","dateUpdated":"2026-07-25T08:51:29.013Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-25 10:17:31","lastModifiedDate":"2026-07-25 10:17:31","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64462","Ordinal":"1","Title":"PCI: altera: Fix resource leaks on probe failure","CVE":"CVE-2026-64462","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64462","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: altera: Fix resource leaks on probe failure\n\nThe chained IRQ handler is set during probe, but is only removed during the\ndriver remove(). If pci_host_probe() fails, the handler and INTx IRQ\ndomain remain set even though the devm-managed host bridge storage\ncontaining struct altera_pcie will be released, leaving the handler with\na stale data pointer.\n\nInterrupts are also enabled before pci_host_probe() is called. If probe\nfails after that point, the controller interrupt source should be disabled\nbefore the chained handler and INTx domain are removed.\n\nSo set the chained handler only after the INTx domain has been created.\nDisable controller interrupts during IRQ teardown, and tear the IRQ setup\ndown if pci_host_probe() fails.\n\n[mani: commit log]","Type":"Description","Title":"PCI: altera: Fix resource leaks on probe failure"}]}}}