CVE-2026-64468

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: binder: fix UAF in binder_free_transaction() In binder_free_transaction(), the t->to_proc is read under the t->lock. However, once the t->lock is dropped, the to_proc can die in parallel. This leads to a use-after-free error when we attempt to acquire its inner lock right afterwards: ================================================================== BUG: KASAN: slab-use-after-free in _raw_spin_lock+0xe4/0x1a0 Write of size 4 at addr ffff00001125da70 by task B/672 CPU: 20 UID: 0 PID: 672 Comm: B Not tainted 7.1.0-rc6-00284-g...

Affected product and versions

Product

Linux

Affected versions

>= a370003cc301d4361bae20c9ef615f89bf8d1e8a < 5602a43f251c3d75312df91a422675fc00ca3dce, >= a370003cc301d4361bae20c9ef615f89bf8d1e8a < 0be901ab1dcc4af59b88f2e324493bb283850167, >= a370003cc301d4361bae20c9ef615f89bf8d1e8a < 48aeda9f8039e4a6971d1804578efde7f2c01eda, >= a370003cc301d4361bae20c9ef615f89bf8d1e8a < 45df558c543bb5543bacc8065fd7c567740781e5, >= a370003cc301d4361bae20c9ef615f89bf8d1e8a < d45ef513eed1abebfec90c3cfb6ae50c2a4182db, >= a370003cc301d4361bae20c9ef615f89bf8d1e8a < 328ccf32acb87e8bbb1fe2b065068c574e4db2bf, >= a370003cc301d4361bae20c9ef615f89bf8d1e8a < 0f15f0f6ca5df566275ce517f257af2559528b41, >= a370003cc301d4361bae20c9ef615f89bf8d1e8a < f223d27a546c1e1f48d38fd67760e78f068fe8c4, >= a4a3c070b8760f71c8311399fa9bfe67c8629bca, >= 22068d49d09d2b3890e19d7b2048a33340f992da, >= 0e3b977a8f1be01dcfa0baae68851b1f55f2a0a9, >= 4.14.136 < 4.15, >= 4.19.64 < 4.20, >= 5.1.15 < 5.2, >= 5.2

Fixed versions

No verified fixed-version field is available yet

Technical data

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

Not available