{"api_version":"1","generated_at":"2026-08-15T08:45:37+00:00","cve":"CVE-2026-74423","urls":{"html":"https://cve.report/CVE-2026-74423","api":"https://cve.report/api/cve/CVE-2026-74423.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74423","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74423"},"summary":{"title":"accel/amdxdna: Fix leak when pinning ubuf pages","description":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Fix leak when pinning ubuf pages\n\nWhen pin_user_pages_fast() returns fewer pages than requested, the pages\nthat were successfully pinned are not released, leading to a leak.\n\nFix this by unpinning any partially pinned pages before returning failure.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:44","updated_at":"2026-08-15 06:22:44"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/d946347edc4f0a7b846325323d77e936a4c90d0f","name":"https://git.kernel.org/stable/c/d946347edc4f0a7b846325323d77e936a4c90d0f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/68dc52f308a17c3103a349f722dd5dea32c50a88","name":"https://git.kernel.org/stable/c/68dc52f308a17c3103a349f722dd5dea32c50a88","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5b24e0903c58cdfd8ebfecb6ac5c5bacfd06e4e7","name":"https://git.kernel.org/stable/c/5b24e0903c58cdfd8ebfecb6ac5c5bacfd06e4e7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74423","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74423","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bd72d4acda1069579b35123e3cc0b21ec1193a21 68dc52f308a17c3103a349f722dd5dea32c50a88 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bd72d4acda1069579b35123e3cc0b21ec1193a21 5b24e0903c58cdfd8ebfecb6ac5c5bacfd06e4e7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bd72d4acda1069579b35123e3cc0b21ec1193a21 d946347edc4f0a7b846325323d77e936a4c90d0f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18 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-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/accel/amdxdna/amdxdna_ubuf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"68dc52f308a17c3103a349f722dd5dea32c50a88","status":"affected","version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","versionType":"git"},{"lessThan":"5b24e0903c58cdfd8ebfecb6ac5c5bacfd06e4e7","status":"affected","version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","versionType":"git"},{"lessThan":"d946347edc4f0a7b846325323d77e936a4c90d0f","status":"affected","version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/accel/amdxdna/amdxdna_ubuf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","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-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"6.18","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Fix leak when pinning ubuf pages\n\nWhen pin_user_pages_fast() returns fewer pages than requested, the pages\nthat were successfully pinned are not released, leading to a leak.\n\nFix this by unpinning any partially pinned pages before returning failure."}],"providerMetadata":{"dateUpdated":"2026-08-15T05:59:26.568Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/68dc52f308a17c3103a349f722dd5dea32c50a88"},{"url":"https://git.kernel.org/stable/c/5b24e0903c58cdfd8ebfecb6ac5c5bacfd06e4e7"},{"url":"https://git.kernel.org/stable/c/d946347edc4f0a7b846325323d77e936a4c90d0f"}],"title":"accel/amdxdna: Fix leak when pinning ubuf pages","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74423","datePublished":"2026-08-15T05:59:26.568Z","dateReserved":"2026-08-15T05:44:03.894Z","dateUpdated":"2026-08-15T05:59:26.568Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:44","lastModifiedDate":"2026-08-15 06:22:44","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74423","Ordinal":"1","Title":"accel/amdxdna: Fix leak when pinning ubuf pages","CVE":"CVE-2026-74423","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74423","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Fix leak when pinning ubuf pages\n\nWhen pin_user_pages_fast() returns fewer pages than requested, the pages\nthat were successfully pinned are not released, leading to a leak.\n\nFix this by unpinning any partially pinned pages before returning failure.","Type":"Description","Title":"accel/amdxdna: Fix leak when pinning ubuf pages"}]}}}