{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2026-64468", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-64468", "idYear": 2026, "status": "PUBLISHED", "publishedAt": "2026-07-25T08:51:33.364Z", "updatedAt": "2026-08-17T04:56:13.826Z", "importedAt": "2026-10-24T01:58:25.636Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "binder: fix UAF in binder_free_transaction()", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nbinder: fix UAF in binder_free_transaction()\n\nIn binder_free_transaction(), the t->to_proc is read under the t->lock.\nHowever, once the t->lock is dropped, the to_proc can die in parallel.\nThis leads to a use-after-free error when we attempt to acquire its\ninner lock right afterwards:\n\n ==================================================================\n BUG: KASAN: slab-use-after-free in _raw_spin_lock+0xe4/0x1a0\n Write of size 4 at addr ffff00001125da70 by task B/672\n\n CPU: 20 UID: 0 PID: 672 Comm: B Not tainted 7.1.0-rc6-00284-g8e65320d91cd #4 PREEMPT\n Hardware name: linux,dummy-virt (DT)\n Call trace:\n _raw_spin_lock+0xe4/0x1a0\n binder_free_transaction+0x8c/0x320\n binder_send_failed_reply+0x21c/0x2f8\n binder_thread_release+0x488/0x7e0\n binder_ioctl+0x12c0/0x29a0\n [...]\n\n Allocated by task 675:\n __kmalloc_cache_noprof+0x174/0x444\n binder_open+0x118/0xb70\n do_dentry_open+0x374/0x1040\n vfs_open+0x58/0x3bc\n [...]\n\n Freed by task 212:\n __kasan_slab_free+0x58/0x80\n kfree+0x1a0/0x4a4\n binder_proc_dec_tmpref+0x32c/0x5e0\n binder_deferred_func+0xc48/0x104c\n process_one_work+0x53c/0xbc0\n [...]\n ==================================================================\n\nTo prevent this, pin the target thread (t->to_thread) to guarantee the\ntarget process remains alive. Undelivered transactions without a target\nthread are already safe, as the target process can only be the current\ncontext in those paths.", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "a370003cc301d4361bae20c9ef615f89bf8d1e8a", "status": "affected", "versionType": "git", "lessThan": "5602a43f251c3d75312df91a422675fc00ca3dce" }, { "version": "a370003cc301d4361bae20c9ef615f89bf8d1e8a", "status": "affected", "versionType": "git", "lessThan": "0be901ab1dcc4af59b88f2e324493bb283850167" }, { "version": "a370003cc301d4361bae20c9ef615f89bf8d1e8a", "status": "affected", "versionType": "git", "lessThan": "48aeda9f8039e4a6971d1804578efde7f2c01eda" }, { "version": "a370003cc301d4361bae20c9ef615f89bf8d1e8a", "status": "affected", "versionType": "git", "lessThan": "45df558c543bb5543bacc8065fd7c567740781e5" }, { "version": "a370003cc301d4361bae20c9ef615f89bf8d1e8a", "status": "affected", "versionType": "git", "lessThan": "d45ef513eed1abebfec90c3cfb6ae50c2a4182db" }, { "version": "a370003cc301d4361bae20c9ef615f89bf8d1e8a", "status": "affected", "versionType": "git", "lessThan": "328ccf32acb87e8bbb1fe2b065068c574e4db2bf" }, { "version": "a370003cc301d4361bae20c9ef615f89bf8d1e8a", "status": "affected", "versionType": "git", "lessThan": "0f15f0f6ca5df566275ce517f257af2559528b41" }, { "version": "a370003cc301d4361bae20c9ef615f89bf8d1e8a", "status": "affected", "versionType": "git", "lessThan": "f223d27a546c1e1f48d38fd67760e78f068fe8c4" }, { "version": "a4a3c070b8760f71c8311399fa9bfe67c8629bca", "status": "affected", "versionType": "git" }, { "version": "22068d49d09d2b3890e19d7b2048a33340f992da", "status": "affected", "versionType": "git" }, { "version": "0e3b977a8f1be01dcfa0baae68851b1f55f2a0a9", "status": "affected", "versionType": "git" }, { "version": "4.14.136", "status": "affected", "versionType": "semver", "lessThan": "4.15" }, { "version": "4.19.64", "status": "affected", "versionType": "semver", "lessThan": "4.20" }, { "version": "5.1.15", "status": "affected", "versionType": "semver", "lessThan": "5.2" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.2", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.2" }, { "version": "5.10.261", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.212", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.178", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.145", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.12.96", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.18.39", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.18.*" }, { "version": "7.1.4", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "7.1.*" }, { "version": "7.2", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }