{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-23184",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-01-13T15:37:45.984Z",
        "datePublished": "2026-02-14T16:27:14.167Z",
        "dateUpdated": "2026-05-11T22:01:56.849Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:01:56.849Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbinder: fix UAF in binder_netlink_report()\n\nOneway transactions sent to frozen targets via binder_proc_transaction()\nreturn a BR_TRANSACTION_PENDING_FROZEN error but they are still treated\nas successful since the target is expected to thaw at some point. It is\nthen not safe to access 't' after BR_TRANSACTION_PENDING_FROZEN errors\nas the transaction could have been consumed by the now thawed target.\n\nThis is the case for binder_netlink_report() which derreferences 't'\nafter a pending frozen error, as pointed out by the following KASAN\nreport:\n\n  ==================================================================\n  BUG: KASAN: slab-use-after-free in binder_netlink_report.isra.0+0x694/0x6c8\n  Read of size 8 at addr ffff00000f98ba38 by task binder-util/522\n\n  CPU: 4 UID: 0 PID: 522 Comm: binder-util Not tainted 6.19.0-rc6-00015-gc03e9c42ae8f #1 PREEMPT\n  Hardware name: linux,dummy-virt (DT)\n  Call trace:\n   binder_netlink_report.isra.0+0x694/0x6c8\n   binder_transaction+0x66e4/0x79b8\n   binder_thread_write+0xab4/0x4440\n   binder_ioctl+0x1fd4/0x2940\n   [...]\n\n  Allocated by task 522:\n   __kmalloc_cache_noprof+0x17c/0x50c\n   binder_transaction+0x584/0x79b8\n   binder_thread_write+0xab4/0x4440\n   binder_ioctl+0x1fd4/0x2940\n   [...]\n\n  Freed by task 488:\n   kfree+0x1d0/0x420\n   binder_free_transaction+0x150/0x234\n   binder_thread_read+0x2d08/0x3ce4\n   binder_ioctl+0x488/0x2940\n   [...]\n  ==================================================================\n\nInstead, make a transaction copy so the data can be safely accessed by\nbinder_netlink_report() after a pending frozen error. While here, add a\ncomment about not using t->buffer in binder_netlink_report()."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "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"
                    }
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/android/binder.c"
                    ],
                    "versions": [
                        {
                            "version": "63740349eba78f242bcbf60d5244d7f2b2600853",
                            "lessThan": "a6050dedb6f1cc23e518e3a132ab74a0aad6df90",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "63740349eba78f242bcbf60d5244d7f2b2600853",
                            "lessThan": "5e8a3d01544282e50d887d76f30d1496a0a53562",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/android/binder.c"
                    ],
                    "versions": [
                        {
                            "version": "6.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.10",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18",
                                    "versionEndExcluding": "6.18.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18",
                                    "versionEndExcluding": "6.19"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/a6050dedb6f1cc23e518e3a132ab74a0aad6df90"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5e8a3d01544282e50d887d76f30d1496a0a53562"
                }
            ],
            "title": "binder: fix UAF in binder_netlink_report()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}