{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2024-56553",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-12-27T14:03:05.990Z",
        "datePublished": "2024-12-27T14:22:54.859Z",
        "dateUpdated": "2026-05-11T20:54:34.799Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T20:54:34.799Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbinder: fix memleak of proc->delivered_freeze\n\nIf a freeze notification is cleared with BC_CLEAR_FREEZE_NOTIFICATION\nbefore calling binder_freeze_notification_done(), then it is detached\nfrom its reference (e.g. ref->freeze) but the work remains queued in\nproc->delivered_freeze. This leads to a memory leak when the process\nexits as any pending entries in proc->delivered_freeze are not freed:\n\n  unreferenced object 0xffff38e8cfa36180 (size 64):\n    comm \"binder-util\", pid 655, jiffies 4294936641\n    hex dump (first 32 bytes):\n      b8 e9 9e c8 e8 38 ff ff b8 e9 9e c8 e8 38 ff ff  .....8.......8..\n      0b 00 00 00 00 00 00 00 3c 1f 4b 00 00 00 00 00  ........<.K.....\n    backtrace (crc 95983b32):\n      [<000000000d0582cf>] kmemleak_alloc+0x34/0x40\n      [<000000009c99a513>] __kmalloc_cache_noprof+0x208/0x280\n      [<00000000313b1704>] binder_thread_write+0xdec/0x439c\n      [<000000000cbd33bb>] binder_ioctl+0x1b68/0x22cc\n      [<000000002bbedeeb>] __arm64_sys_ioctl+0x124/0x190\n      [<00000000b439adee>] invoke_syscall+0x6c/0x254\n      [<00000000173558fc>] el0_svc_common.constprop.0+0xac/0x230\n      [<0000000084f72311>] do_el0_svc+0x40/0x58\n      [<000000008b872457>] el0_svc+0x38/0x78\n      [<00000000ee778653>] el0t_64_sync_handler+0x120/0x12c\n      [<00000000a8ec61bf>] el0t_64_sync+0x190/0x194\n\nThis patch fixes the leak by ensuring that any pending entries in\nproc->delivered_freeze are freed during binder_deferred_release()."
                }
            ],
            "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": "d579b04a52a183db47dfcb7a44304d7747d551e1",
                            "lessThan": "b8b77712142fb146fe18d2253bc8a798d522e427",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d579b04a52a183db47dfcb7a44304d7747d551e1",
                            "lessThan": "1db76ec2b4b206ff943e292a0b55e68ff3443598",
                            "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": "6.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.4",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13",
                            "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": "6.12",
                                    "versionEndExcluding": "6.12.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.12",
                                    "versionEndExcluding": "6.13"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/b8b77712142fb146fe18d2253bc8a798d522e427"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1db76ec2b4b206ff943e292a0b55e68ff3443598"
                }
            ],
            "title": "binder: fix memleak of proc->delivered_freeze",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 3.3,
                            "attackVector": "LOCAL",
                            "baseSeverity": "LOW",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "LOW",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "NONE"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2024-56553",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2025-04-17T20:10:48.416039Z"
                            }
                        }
                    }
                ],
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "lang": "en",
                                "type": "CWE",
                                "cweId": "CWE-401",
                                "description": "CWE-401 Missing Release of Memory after Effective Lifetime"
                            }
                        ]
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-04-17T20:15:53.198Z"
                }
            }
        ]
    }
}