{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:12",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.1.180-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:13",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.12.96-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.1.4-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:12",
        "name": "linux-6.12"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.12.100-1~deb12u1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:  binder: fix UAF in binder_free_transaction()  In binder_free_transaction(), the t-\u003eto_proc is read under the t-\u003elock. However, once the t-\u003elock 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-g8e65320d91cd #4 PREEMPT   Hardware name: linux,dummy-virt (DT)   Call trace:    _raw_spin_lock+0xe4/0x1a0    binder_free_transaction+0x8c/0x320    binder_send_failed_reply+0x21c/0x2f8    binder_thread_release+0x488/0x7e0    binder_ioctl+0x12c0/0x29a0   [...]    Allocated by task 675:    __kmalloc_cache_noprof+0x174/0x444    binder_open+0x118/0xb70    do_dentry_open+0x374/0x1040    vfs_open+0x58/0x3bc   [...]    Freed by task 212:    __kasan_slab_free+0x58/0x80    kfree+0x1a0/0x4a4    binder_proc_dec_tmpref+0x32c/0x5e0    binder_deferred_func+0xc48/0x104c    process_one_work+0x53c/0xbc0   [...]   ==================================================================  To prevent this, pin the target thread (t-\u003eto_thread) to guarantee the target process remains alive. Undelivered transactions without a target thread are already safe, as the target process can only be the current context in those paths.",
  "id": "DEBIAN-CVE-2026-64468",
  "modified": "2026-09-14T16:47:42.205977671Z",
  "published": "2026-07-25T10:17:32.103Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2026-64468"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2026-64468"
  ]
}