{"api_version":"1","generated_at":"2026-06-28T18:51:01+00:00","cve":"CVE-2026-53160","urls":{"html":"https://cve.report/CVE-2026-53160","api":"https://cve.report/api/cve/CVE-2026-53160.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53160","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53160"},"summary":{"title":"misc: fastrpc: fix use-after-free race in fastrpc_map_create","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: fastrpc: fix use-after-free race in fastrpc_map_create\n\nfastrpc_map_lookup returns a raw pointer after releasing fl->lock. The\ncaller fastrpc_map_create then calls fastrpc_map_get (kref_get_unless_zero)\non this unprotected pointer. A concurrent MEM_UNMAP can free the map\nbetween the lock release and the kref operation, resulting in a\nuse-after-free on the freed slab object.\n\nRestore the take_ref parameter to fastrpc_map_lookup so the reference\nis acquired atomically under fl->lock before the pointer is exposed to\nthe caller.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-25 09:16:33","updated_at":"2026-06-28 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Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53160","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0b70ec82b309a4093106ff399da1911ad23b52d3 0a3b87293fbd34fda651e6aead9964f84b893962 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d7513b47082c08105e837b06cebeb3f07a5fa56f 8b080c89183196fd3e49212f2a1a1c4a29335b9c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 802359a52676176b18713e33caa17572ad009057 5b0166112019d1dce30b976ab28fd67f7f0be532 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 10df039834f84a297c72ec962c0f9b7c8c5ca31a 992f121796b7ca83a5a8b93da24e971363206218 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\nmisc: fastrpc: fix use-after-free race in fastrpc_map_create\n\nfastrpc_map_lookup returns a raw pointer after releasing fl->lock. The\ncaller fastrpc_map_create then calls fastrpc_map_get (kref_get_unless_zero)\non this unprotected pointer. A concurrent MEM_UNMAP can free the map\nbetween the lock release and the kref operation, resulting in a\nuse-after-free on the freed slab object.\n\nRestore the take_ref parameter to fastrpc_map_lookup so the reference\nis acquired atomically under fl->lock before the pointer is exposed to\nthe caller."}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-06-28T06:39:36.143Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/0a3b87293fbd34fda651e6aead9964f84b893962"},{"url":"https://git.kernel.org/stable/c/8b080c89183196fd3e49212f2a1a1c4a29335b9c"},{"url":"https://git.kernel.org/stable/c/5b0166112019d1dce30b976ab28fd67f7f0be532"},{"url":"https://git.kernel.org/stable/c/992f121796b7ca83a5a8b93da24e971363206218"},{"url":"https://git.kernel.org/stable/c/f20f6512ecb75c816e0debf4551a138f098615c4"},{"url":"https://git.kernel.org/stable/c/07ebe87915d8accdaba20c4f88c5ae430fe62fbb"}],"title":"misc: fastrpc: fix use-after-free race in fastrpc_map_create","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53160","datePublished":"2026-06-25T08:38:42.138Z","dateReserved":"2026-06-09T07:44:35.388Z","dateUpdated":"2026-06-28T06:39:36.143Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-25 09:16:33","lastModifiedDate":"2026-06-28 08:16:35","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53160","Ordinal":"1","Title":"misc: fastrpc: fix use-after-free race in fastrpc_map_create","CVE":"CVE-2026-53160","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53160","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: fastrpc: fix use-after-free race in fastrpc_map_create\n\nfastrpc_map_lookup returns a raw pointer after releasing fl->lock. The\ncaller fastrpc_map_create then calls fastrpc_map_get (kref_get_unless_zero)\non this unprotected pointer. A concurrent MEM_UNMAP can free the map\nbetween the lock release and the kref operation, resulting in a\nuse-after-free on the freed slab object.\n\nRestore the take_ref parameter to fastrpc_map_lookup so the reference\nis acquired atomically under fl->lock before the pointer is exposed to\nthe caller.","Type":"Description","Title":"misc: fastrpc: fix use-after-free race in fastrpc_map_create"}]}}}