{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49320",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T02:08:31.537Z",
        "datePublished": "2025-02-26T02:10:45.703Z",
        "dateUpdated": "2026-05-11T18:57:25.070Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T18:57:25.070Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: zynqmp_dma: In struct zynqmp_dma_chan fix desc_size data type\n\nIn zynqmp_dma_alloc/free_chan_resources functions there is a\npotential overflow in the below expressions.\n\ndma_alloc_coherent(chan->dev, (2 * chan->desc_size *\n\t\t   ZYNQMP_DMA_NUM_DESCS),\n\t\t   &chan->desc_pool_p, GFP_KERNEL);\n\ndma_free_coherent(chan->dev,(2 * ZYNQMP_DMA_DESC_SIZE(chan) *\n                 ZYNQMP_DMA_NUM_DESCS),\n                chan->desc_pool_v, chan->desc_pool_p);\n\nThe arguments desc_size and ZYNQMP_DMA_NUM_DESCS were 32 bit. Though\nthis overflow condition is not observed but it is a potential problem\nin the case of 32-bit multiplication. Hence fix it by changing the\ndesc_size data type to size_t.\n\nIn addition to coverity fix it also reuse ZYNQMP_DMA_DESC_SIZE macro in\ndma_alloc_coherent API argument.\n\nAddresses-Coverity: Event overflow_before_widen."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/dma/xilinx/zynqmp_dma.c"
                    ],
                    "versions": [
                        {
                            "version": "b0cc417c1637192be658e68a74c8d1568e3d35f6",
                            "lessThan": "83960276ffc9bf5570d4106490346b61e61be5f3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b0cc417c1637192be658e68a74c8d1568e3d35f6",
                            "lessThan": "95a0ba85c1b51b36e909841c02d205cd223ab753",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b0cc417c1637192be658e68a74c8d1568e3d35f6",
                            "lessThan": "7b5488f4721fed6e121e661e165bab06ae2f8675",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b0cc417c1637192be658e68a74c8d1568e3d35f6",
                            "lessThan": "4838969e4d95d2bd2995d1605b20d3144fcb3e74",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b0cc417c1637192be658e68a74c8d1568e3d35f6",
                            "lessThan": "90aefae2e3a770a6909d339f5d8a988c0b0ceaf0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b0cc417c1637192be658e68a74c8d1568e3d35f6",
                            "lessThan": "f9a9f43a62a04ec3183fb0da9226c7706eed0115",
                            "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/xilinx/zynqmp_dma.c"
                    ],
                    "versions": [
                        {
                            "version": "4.8",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.8",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.198",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.122",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.47",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.17.15",
                            "lessThanOrEqual": "5.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18.4",
                            "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": "4.8",
                                    "versionEndExcluding": "5.4.198"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.8",
                                    "versionEndExcluding": "5.10.122"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.8",
                                    "versionEndExcluding": "5.15.47"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.8",
                                    "versionEndExcluding": "5.17.15"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.8",
                                    "versionEndExcluding": "5.18.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.8",
                                    "versionEndExcluding": "5.19"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/83960276ffc9bf5570d4106490346b61e61be5f3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/95a0ba85c1b51b36e909841c02d205cd223ab753"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7b5488f4721fed6e121e661e165bab06ae2f8675"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4838969e4d95d2bd2995d1605b20d3144fcb3e74"
                },
                {
                    "url": "https://git.kernel.org/stable/c/90aefae2e3a770a6909d339f5d8a988c0b0ceaf0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f9a9f43a62a04ec3183fb0da9226c7706eed0115"
                }
            ],
            "title": "dmaengine: zynqmp_dma: In struct zynqmp_dma_chan fix desc_size data type",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}