{"api_version":"1","generated_at":"2026-08-22T08:52:40+00:00","cve":"CVE-2026-64466","urls":{"html":"https://cve.report/CVE-2026-64466","api":"https://cve.report/api/cve/CVE-2026-64466.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64466","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64466"},"summary":{"title":"rust_binder: clear freeze listener on node removal","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nrust_binder: clear freeze listener on node removal\n\nGenerally userspace is supposed to explicitly clear freeze listeners\nbefore they drop the refcount on the node ref to zero, but there's\nnothing forcing that. Currently, in this scenario the freeze listener\nremains in the freeze_listeners rbtree and in the remote node's freeze\nlistener list, even though the ref for which the listener is registered\nis gone. This could potentially lead to a memory leak due to a refcount\ncycle. Thus, remove the freeze listener in this scenario.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-25 10:17:31","updated_at":"2026-08-17 05:17:52"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/0644da3621ddd8e146280675a2a31d1e06634a1d","name":"https://git.kernel.org/stable/c/0644da3621ddd8e146280675a2a31d1e06634a1d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/91b27f8172cdbf265240104772fd042a461a7767","name":"https://git.kernel.org/stable/c/91b27f8172cdbf265240104772fd042a461a7767","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bc4a9828897871ff3e5a1f8a1d346decbf4ee95e","name":"https://git.kernel.org/stable/c/bc4a9828897871ff3e5a1f8a1d346decbf4ee95e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64466","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64466","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected eafedbc7c050c44744fbdf80bdf3315e860b7513 91b27f8172cdbf265240104772fd042a461a7767 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected eafedbc7c050c44744fbdf80bdf3315e860b7513 0644da3621ddd8e146280675a2a31d1e06634a1d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected eafedbc7c050c44744fbdf80bdf3315e860b7513 bc4a9828897871ff3e5a1f8a1d346decbf4ee95e 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 6.18.39 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 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"64466","cve":"CVE-2026-64466","epss":"0.001730000","percentile":"0.070820000","score_date":"2026-08-17","updated_at":"2026-08-18 00:11:48"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/android/binder/freeze.rs","drivers/android/binder/node.rs","drivers/android/binder/process.rs"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"91b27f8172cdbf265240104772fd042a461a7767","status":"affected","version":"eafedbc7c050c44744fbdf80bdf3315e860b7513","versionType":"git"},{"lessThan":"0644da3621ddd8e146280675a2a31d1e06634a1d","status":"affected","version":"eafedbc7c050c44744fbdf80bdf3315e860b7513","versionType":"git"},{"lessThan":"bc4a9828897871ff3e5a1f8a1d346decbf4ee95e","status":"affected","version":"eafedbc7c050c44744fbdf80bdf3315e860b7513","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/android/binder/freeze.rs","drivers/android/binder/node.rs","drivers/android/binder/process.rs"],"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":"6.18.39","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.39","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.4","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"6.18","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nrust_binder: clear freeze listener on node removal\n\nGenerally userspace is supposed to explicitly clear freeze listeners\nbefore they drop the refcount on the node ref to zero, but there's\nnothing forcing that. Currently, in this scenario the freeze listener\nremains in the freeze_listeners rbtree and in the remote node's freeze\nlistener list, even though the ref for which the listener is registered\nis gone. This could potentially lead to a memory leak due to a refcount\ncycle. Thus, remove the freeze listener in this scenario."}],"providerMetadata":{"dateUpdated":"2026-08-17T04:56:11.640Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/91b27f8172cdbf265240104772fd042a461a7767"},{"url":"https://git.kernel.org/stable/c/0644da3621ddd8e146280675a2a31d1e06634a1d"},{"url":"https://git.kernel.org/stable/c/bc4a9828897871ff3e5a1f8a1d346decbf4ee95e"}],"title":"rust_binder: clear freeze listener on node removal","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64466","datePublished":"2026-07-25T08:51:31.887Z","dateReserved":"2026-07-19T15:36:31.790Z","dateUpdated":"2026-08-17T04:56:11.640Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-25 10:17:31","lastModifiedDate":"2026-08-17 05:17:52","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64466","Ordinal":"1","Title":"rust_binder: clear freeze listener on node removal","CVE":"CVE-2026-64466","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64466","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nrust_binder: clear freeze listener on node removal\n\nGenerally userspace is supposed to explicitly clear freeze listeners\nbefore they drop the refcount on the node ref to zero, but there's\nnothing forcing that. Currently, in this scenario the freeze listener\nremains in the freeze_listeners rbtree and in the remote node's freeze\nlistener list, even though the ref for which the listener is registered\nis gone. This could potentially lead to a memory leak due to a refcount\ncycle. Thus, remove the freeze listener in this scenario.","Type":"Description","Title":"rust_binder: clear freeze listener on node removal"}]}}}