{"id":"CVE-2026-74423","state":"PUBLISHED","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.","publishedAt":"2026-08-15T05:59:26.568Z","updatedAt":"2026-08-17T05:19:08.522Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","status":"affected","lessThan":"68dc52f308a17c3103a349f722dd5dea32c50a88","versionType":"git"},{"version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","status":"affected","lessThan":"5b24e0903c58cdfd8ebfecb6ac5c5bacfd06e4e7","versionType":"git"},{"version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","status":"affected","lessThan":"d946347edc4f0a7b846325323d77e936a4c90d0f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/accel/amdxdna/amdxdna_ubuf.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/accel/amdxdna/amdxdna_ubuf.c"]}],"references":["https://git.kernel.org/stable/c/68dc52f308a17c3103a349f722dd5dea32c50a88","https://git.kernel.org/stable/c/5b24e0903c58cdfd8ebfecb6ac5c5bacfd06e4e7","https://git.kernel.org/stable/c/d946347edc4f0a7b846325323d77e936a4c90d0f"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/74xxx/CVE-2026-74423.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-74423","state":"PUBLISHED","datePublished":"2026-08-15T05:59:26.568Z","dateUpdated":"2026-08-17T05:19:08.522Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-15T05:44:03.894Z"},"containers":{"cna":{"title":"accel/amdxdna: Fix leak when pinning ubuf pages","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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","status":"affected","lessThan":"68dc52f308a17c3103a349f722dd5dea32c50a88","versionType":"git"},{"version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","status":"affected","lessThan":"5b24e0903c58cdfd8ebfecb6ac5c5bacfd06e4e7","versionType":"git"},{"version":"bd72d4acda1069579b35123e3cc0b21ec1193a21","status":"affected","lessThan":"d946347edc4f0a7b846325323d77e936a4c90d0f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/accel/amdxdna/amdxdna_ubuf.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/accel/amdxdna/amdxdna_ubuf.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T05:19:08.522Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}