{"api_version":"1","generated_at":"2026-08-03T19:08:22+00:00","cve":"CVE-2026-64469","urls":{"html":"https://cve.report/CVE-2026-64469","api":"https://cve.report/api/cve/CVE-2026-64469.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64469","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64469"},"summary":{"title":"binder: fix UAF in binder_thread_release()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbinder: fix UAF in binder_thread_release()\n\nWhen a thread exits, binder_thread_release() walks its transaction stack\nto clear the t->from and t->to_proc that correspond with the exiting\nthread. However, a process dying in parallel might attempt to kfree some\nof these transactions. And if one of them has no associated t->to_proc,\nthe t->to_proc->inner_lock will not be acquired.\n\nThis means that transaction accesses in binder_thread_release() after\nt->to_proc has been cleared might race with binder_free_transaction()\nand cause a use-after-free error as reported by KASAN:\n\n  ==================================================================\n  BUG: KASAN: slab-use-after-free in binder_thread_release+0x5d0/0x798\n  Write of size 8 at addr ffff000016627500 by task X/715\n\n  CPU: 17 UID: 0 PID: 715 Comm: X Not tainted 7.1.0-rc5-00149-g8fde5d1d47f6 #30 PREEMPT\n  Hardware name: linux,dummy-virt (DT)\n  Call trace:\n   binder_thread_release+0x5d0/0x798\n   binder_ioctl+0x12c0/0x299c\n   [...]\n\n  Allocated by task 717 on cpu 18 at 67.267803s:\n   __kasan_kmalloc+0xa0/0xbc\n   __kmalloc_cache_noprof+0x174/0x444\n   binder_transaction+0x554/0x8150\n   binder_thread_write+0xa30/0x4354\n   binder_ioctl+0x20f0/0x299c\n   [...]\n\n  Freed by task 202 on cpu 18 at 90.416221s:\n   __kasan_slab_free+0x58/0x80\n   kfree+0x1a0/0x4a4\n   binder_free_transaction+0x150/0x294\n   binder_send_failed_reply+0x398/0x6d8\n   binder_release_work+0x3e4/0x4ec\n   binder_deferred_func+0xbd8/0x104c\n   [...]\n  ==================================================================\n\nIn order to avoid this, make sure that binder_free_transaction() reads\nthe t->to_proc under the transaction lock. This will serialize the\ntransaction release with the accesses in binder_thread_release(). Plus,\nit matches the documented locking rules for @to_proc.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-25 10:17:32","updated_at":"2026-07-27 05:16:53"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"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"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"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"}}],"references":[{"url":"https://git.kernel.org/stable/c/38e1a71728e5795b670cc159c18e286a40aeebb4","name":"https://git.kernel.org/stable/c/38e1a71728e5795b670cc159c18e286a40aeebb4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/faa070c7ad8ba25dcd0b12d7cdbb419e336f5391","name":"https://git.kernel.org/stable/c/faa070c7ad8ba25dcd0b12d7cdbb419e336f5391","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ef5439ba5b9ac93349f5df12ef88b42a0ce26340","name":"https://git.kernel.org/stable/c/ef5439ba5b9ac93349f5df12ef88b42a0ce26340","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/114a116aaa5f0295376cdf12da743c5bce3b20ce","name":"https://git.kernel.org/stable/c/114a116aaa5f0295376cdf12da743c5bce3b20ce","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/df1a17abba8d6fac5f965adcb8113ceace6e4949","name":"https://git.kernel.org/stable/c/df1a17abba8d6fac5f965adcb8113ceace6e4949","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e63032dc715026a96bcaa13d375a8e15c91caa84","name":"https://git.kernel.org/stable/c/e63032dc715026a96bcaa13d375a8e15c91caa84","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ea02df466df60ecd758eb3b4df3f0cadc5c886ce","name":"https://git.kernel.org/stable/c/ea02df466df60ecd758eb3b4df3f0cadc5c886ce","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1f96f8c0a6ed4f6d01d3dd29ad0cbf08dde96082","name":"https://git.kernel.org/stable/c/1f96f8c0a6ed4f6d01d3dd29ad0cbf08dde96082","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64469","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64469","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7a4408c6bd3eb1dafba67986259191be081e3efb 1f96f8c0a6ed4f6d01d3dd29ad0cbf08dde96082 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7a4408c6bd3eb1dafba67986259191be081e3efb df1a17abba8d6fac5f965adcb8113ceace6e4949 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7a4408c6bd3eb1dafba67986259191be081e3efb 38e1a71728e5795b670cc159c18e286a40aeebb4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7a4408c6bd3eb1dafba67986259191be081e3efb faa070c7ad8ba25dcd0b12d7cdbb419e336f5391 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7a4408c6bd3eb1dafba67986259191be081e3efb e63032dc715026a96bcaa13d375a8e15c91caa84 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7a4408c6bd3eb1dafba67986259191be081e3efb ea02df466df60ecd758eb3b4df3f0cadc5c886ce git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7a4408c6bd3eb1dafba67986259191be081e3efb ef5439ba5b9ac93349f5df12ef88b42a0ce26340 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7a4408c6bd3eb1dafba67986259191be081e3efb 114a116aaa5f0295376cdf12da743c5bce3b20ce git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.14","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.14 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.261 5.10.* 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 6.12.96 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-rc3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"64469","cve":"CVE-2026-64469","epss":"0.001350000","percentile":"0.033620000","score_date":"2026-07-29","updated_at":"2026-07-30 00:09:16"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/android/binder.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"1f96f8c0a6ed4f6d01d3dd29ad0cbf08dde96082","status":"affected","version":"7a4408c6bd3eb1dafba67986259191be081e3efb","versionType":"git"},{"lessThan":"df1a17abba8d6fac5f965adcb8113ceace6e4949","status":"affected","version":"7a4408c6bd3eb1dafba67986259191be081e3efb","versionType":"git"},{"lessThan":"38e1a71728e5795b670cc159c18e286a40aeebb4","status":"affected","version":"7a4408c6bd3eb1dafba67986259191be081e3efb","versionType":"git"},{"lessThan":"faa070c7ad8ba25dcd0b12d7cdbb419e336f5391","status":"affected","version":"7a4408c6bd3eb1dafba67986259191be081e3efb","versionType":"git"},{"lessThan":"e63032dc715026a96bcaa13d375a8e15c91caa84","status":"affected","version":"7a4408c6bd3eb1dafba67986259191be081e3efb","versionType":"git"},{"lessThan":"ea02df466df60ecd758eb3b4df3f0cadc5c886ce","status":"affected","version":"7a4408c6bd3eb1dafba67986259191be081e3efb","versionType":"git"},{"lessThan":"ef5439ba5b9ac93349f5df12ef88b42a0ce26340","status":"affected","version":"7a4408c6bd3eb1dafba67986259191be081e3efb","versionType":"git"},{"lessThan":"114a116aaa5f0295376cdf12da743c5bce3b20ce","status":"affected","version":"7a4408c6bd3eb1dafba67986259191be081e3efb","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/android/binder.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.14"},{"lessThan":"4.14","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":"6.12.96","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-rc3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.261","versionStartIncluding":"4.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.212","versionStartIncluding":"4.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.178","versionStartIncluding":"4.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"4.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.96","versionStartIncluding":"4.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.39","versionStartIncluding":"4.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.4","versionStartIncluding":"4.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc3","versionStartIncluding":"4.14","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbinder: fix UAF in binder_thread_release()\n\nWhen a thread exits, binder_thread_release() walks its transaction stack\nto clear the t->from and t->to_proc that correspond with the exiting\nthread. However, a process dying in parallel might attempt to kfree some\nof these transactions. And if one of them has no associated t->to_proc,\nthe t->to_proc->inner_lock will not be acquired.\n\nThis means that transaction accesses in binder_thread_release() after\nt->to_proc has been cleared might race with binder_free_transaction()\nand cause a use-after-free error as reported by KASAN:\n\n  ==================================================================\n  BUG: KASAN: slab-use-after-free in binder_thread_release+0x5d0/0x798\n  Write of size 8 at addr ffff000016627500 by task X/715\n\n  CPU: 17 UID: 0 PID: 715 Comm: X Not tainted 7.1.0-rc5-00149-g8fde5d1d47f6 #30 PREEMPT\n  Hardware name: linux,dummy-virt (DT)\n  Call trace:\n   binder_thread_release+0x5d0/0x798\n   binder_ioctl+0x12c0/0x299c\n   [...]\n\n  Allocated by task 717 on cpu 18 at 67.267803s:\n   __kasan_kmalloc+0xa0/0xbc\n   __kmalloc_cache_noprof+0x174/0x444\n   binder_transaction+0x554/0x8150\n   binder_thread_write+0xa30/0x4354\n   binder_ioctl+0x20f0/0x299c\n   [...]\n\n  Freed by task 202 on cpu 18 at 90.416221s:\n   __kasan_slab_free+0x58/0x80\n   kfree+0x1a0/0x4a4\n   binder_free_transaction+0x150/0x294\n   binder_send_failed_reply+0x398/0x6d8\n   binder_release_work+0x3e4/0x4ec\n   binder_deferred_func+0xbd8/0x104c\n   [...]\n  ==================================================================\n\nIn order to avoid this, make sure that binder_free_transaction() reads\nthe t->to_proc under the transaction lock. This will serialize the\ntransaction release with the accesses in binder_thread_release(). Plus,\nit matches the documented locking rules for @to_proc."}],"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":"2026-07-27T05:01:23.812Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/1f96f8c0a6ed4f6d01d3dd29ad0cbf08dde96082"},{"url":"https://git.kernel.org/stable/c/df1a17abba8d6fac5f965adcb8113ceace6e4949"},{"url":"https://git.kernel.org/stable/c/38e1a71728e5795b670cc159c18e286a40aeebb4"},{"url":"https://git.kernel.org/stable/c/faa070c7ad8ba25dcd0b12d7cdbb419e336f5391"},{"url":"https://git.kernel.org/stable/c/e63032dc715026a96bcaa13d375a8e15c91caa84"},{"url":"https://git.kernel.org/stable/c/ea02df466df60ecd758eb3b4df3f0cadc5c886ce"},{"url":"https://git.kernel.org/stable/c/ef5439ba5b9ac93349f5df12ef88b42a0ce26340"},{"url":"https://git.kernel.org/stable/c/114a116aaa5f0295376cdf12da743c5bce3b20ce"}],"title":"binder: fix UAF in binder_thread_release()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64469","datePublished":"2026-07-25T08:51:34.025Z","dateReserved":"2026-07-19T15:36:31.790Z","dateUpdated":"2026-07-27T05:01:23.812Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-25 10:17:32","lastModifiedDate":"2026-07-27 05:16:53","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":"64469","Ordinal":"1","Title":"binder: fix UAF in binder_thread_release()","CVE":"CVE-2026-64469","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64469","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nbinder: fix UAF in binder_thread_release()\n\nWhen a thread exits, binder_thread_release() walks its transaction stack\nto clear the t->from and t->to_proc that correspond with the exiting\nthread. However, a process dying in parallel might attempt to kfree some\nof these transactions. And if one of them has no associated t->to_proc,\nthe t->to_proc->inner_lock will not be acquired.\n\nThis means that transaction accesses in binder_thread_release() after\nt->to_proc has been cleared might race with binder_free_transaction()\nand cause a use-after-free error as reported by KASAN:\n\n  ==================================================================\n  BUG: KASAN: slab-use-after-free in binder_thread_release+0x5d0/0x798\n  Write of size 8 at addr ffff000016627500 by task X/715\n\n  CPU: 17 UID: 0 PID: 715 Comm: X Not tainted 7.1.0-rc5-00149-g8fde5d1d47f6 #30 PREEMPT\n  Hardware name: linux,dummy-virt (DT)\n  Call trace:\n   binder_thread_release+0x5d0/0x798\n   binder_ioctl+0x12c0/0x299c\n   [...]\n\n  Allocated by task 717 on cpu 18 at 67.267803s:\n   __kasan_kmalloc+0xa0/0xbc\n   __kmalloc_cache_noprof+0x174/0x444\n   binder_transaction+0x554/0x8150\n   binder_thread_write+0xa30/0x4354\n   binder_ioctl+0x20f0/0x299c\n   [...]\n\n  Freed by task 202 on cpu 18 at 90.416221s:\n   __kasan_slab_free+0x58/0x80\n   kfree+0x1a0/0x4a4\n   binder_free_transaction+0x150/0x294\n   binder_send_failed_reply+0x398/0x6d8\n   binder_release_work+0x3e4/0x4ec\n   binder_deferred_func+0xbd8/0x104c\n   [...]\n  ==================================================================\n\nIn order to avoid this, make sure that binder_free_transaction() reads\nthe t->to_proc under the transaction lock. This will serialize the\ntransaction release with the accesses in binder_thread_release(). Plus,\nit matches the documented locking rules for @to_proc.","Type":"Description","Title":"binder: fix UAF in binder_thread_release()"}]}}}