{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49650",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T02:21:30.433Z",
        "datePublished": "2025-02-26T02:23:53.006Z",
        "dateUpdated": "2026-05-11T19:04:02.776Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:04:02.776Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: qcom: bam_dma: fix runtime PM underflow\n\nCommit dbad41e7bb5f (\"dmaengine: qcom: bam_dma: check if the runtime pm enabled\")\ncaused unbalanced pm_runtime_get/put() calls when the bam is\ncontrolled remotely. This commit reverts it and just enables pm_runtime\nin all cases, the clk_* functions already just nop when the clock is NULL.\n\nAlso clean up a bit by removing unnecessary bamclk null checks."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/dma/qcom/bam_dma.c"
                    ],
                    "versions": [
                        {
                            "version": "dbad41e7bb5f4b9949ff5ea1d76c20711f326308",
                            "lessThan": "2f6ded79068cac8cff41d5d5632564165d98ee12",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dbad41e7bb5f4b9949ff5ea1d76c20711f326308",
                            "lessThan": "b702a1077b51fcb39507cc3bd39206f539319a96",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dbad41e7bb5f4b9949ff5ea1d76c20711f326308",
                            "lessThan": "0ac9c3dd0d6fe293cd5044cfad10bec27d171e4e",
                            "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/dma/qcom/bam_dma.c"
                    ],
                    "versions": [
                        {
                            "version": "4.17",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.17",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.54",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18.11",
                            "lessThanOrEqual": "5.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19",
                            "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": "4.17",
                                    "versionEndExcluding": "5.15.54"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.17",
                                    "versionEndExcluding": "5.18.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.17",
                                    "versionEndExcluding": "5.19"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/2f6ded79068cac8cff41d5d5632564165d98ee12"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b702a1077b51fcb39507cc3bd39206f539319a96"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0ac9c3dd0d6fe293cd5044cfad10bec27d171e4e"
                }
            ],
            "title": "dmaengine: qcom: bam_dma: fix runtime PM underflow",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}