{"dataType": "CVE_RECORD", "dataVersion": "5.1", "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": "2025-03-26T17:45:08.683Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-03-26T17:45:08.683Z"}, "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"}]}], "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-5f407fcff5a0"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2022-49320", "lastModified": "2025-02-26T07:01:08.840", "metrics": {}, "published": "2025-02-26T07:01:08.840", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4838969e4d95d2bd2995d1605b20d3144fcb3e74"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7b5488f4721fed6e121e661e165bab06ae2f8675"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/83960276ffc9bf5570d4106490346b61e61be5f3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/90aefae2e3a770a6909d339f5d8a988c0b0ceaf0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/95a0ba85c1b51b36e909841c02d205cd223ab753"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f9a9f43a62a04ec3183fb0da9226c7706eed0115"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: dmaengine: zynqmp_dma: In struct zynqmp_dma_chan fix desc_size data type", "id": "2348227", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348227"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndmaengine: zynqmp_dma: In struct zynqmp_dma_chan fix desc_size data type\nIn zynqmp_dma_alloc/free_chan_resources functions there is a\npotential overflow in the below expressions.\ndma_alloc_coherent(chan->dev, (2 * chan->desc_size *\nZYNQMP_DMA_NUM_DESCS),\n&chan->desc_pool_p, GFP_KERNEL);\ndma_free_coherent(chan->dev,(2 * ZYNQMP_DMA_DESC_SIZE(chan) *\nZYNQMP_DMA_NUM_DESCS),\nchan->desc_pool_v, chan->desc_pool_p);\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.\nIn addition to coverity fix it also reuse ZYNQMP_DMA_DESC_SIZE macro in\ndma_alloc_coherent API argument.\nAddresses-Coverity: Event overflow_before_widen."], "name": "CVE-2022-49320", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49320\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49320\nhttps://lore.kernel.org/linux-cve-announce/2025022637-CVE-2022-49320-c76e@gregkh/T"], "threat_severity": "Low"}