{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50325",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-15T14:18:36.815Z",
        "datePublished": "2025-09-15T14:49:19.788Z",
        "dateUpdated": "2026-08-05T08:58:11.012Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-05T08:58:11.012Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: Intel: avs: Fix potential RX buffer overflow\n\nIf an event caused firmware to return invalid RX size for\nLARGE_CONFIG_GET, memcpy_fromio() could end up copying too many bytes.\nFix by utilizing min_t()."
                }
            ],
            "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"
                    },
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "AV:L - The overflow is in the Intel AVS DSP IPC reply path, reached via local ALSA mixer controls (volume get) or driver probe IPC, not via network or adjacent wireless frames.\nAC:L - An attacker who can trigger LARGE_CONFIG_GET causes a deterministic memcpy_fromio overflow whenever the reply size exceeds AVS_MAILBOX_SIZE; no race or other attacker-uncontrollable timing is required.\nPR:L - Unprivileged local users with ordinary audio-device access can invoke avs_control_volume_get → avs_ipc_get_large_config; real root is not required, and user-namespace CAP_SYS_ADMIN is irrelevant here.\nUI:N - The attacker triggers the vulnerable IPC path through their own ALSA control ioctls; no separate victim action is needed.\nS:U - This is standard kernel heap memory corruption within the host kernel's security authority, with no VM/IOMMU/sandbox boundary crossed.\nC:H - Out-of-bounds write into the ipc->rx.data heap buffer (up to ~1MB via the 20-bit size field) is memory corruption that can be leveraged for arbitrary kernel memory disclosure.\nI:H - The same heap overflow is an out-of-bounds write that can corrupt adjacent kernel objects and enable control-flow hijacking or privilege escalation.\nA:H - Overflowing the fixed 4096-byte RX buffer readily causes kernel oops/panic or heap corruption crashes when the firmware returns an oversized size."
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "sound/soc/intel/avs/ipc.c"
                    ],
                    "versions": [
                        {
                            "version": "f14a1c5a9f830025dc8638303ddefd5f731ae4bc",
                            "lessThan": "ec1f0c12cb2e614c3fa8e9402f7ffcf82166078a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f14a1c5a9f830025dc8638303ddefd5f731ae4bc",
                            "lessThan": "0bad12fee5ae16ab439d97c66c4238f5f4cc7f68",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f14a1c5a9f830025dc8638303ddefd5f731ae4bc",
                            "lessThan": "23ae34e033b2c0e5e88237af82b163b296fd6aa9",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "sound/soc/intel/avs/ipc.c"
                    ],
                    "versions": [
                        {
                            "version": "5.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.16",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.2",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2",
                            "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": "5.18",
                                    "versionEndExcluding": "6.0.16"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.1.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/ec1f0c12cb2e614c3fa8e9402f7ffcf82166078a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0bad12fee5ae16ab439d97c66c4238f5f4cc7f68"
                },
                {
                    "url": "https://git.kernel.org/stable/c/23ae34e033b2c0e5e88237af82b163b296fd6aa9"
                }
            ],
            "title": "ASoC: Intel: avs: Fix potential RX buffer overflow",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}