{"id":"CVE-2022-49746","state":"PUBLISHED","title":"dmaengine: imx-sdma: Fix a possible memory leak in sdma_transfer_init","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: imx-sdma: Fix a possible memory leak in sdma_transfer_init\n\nIf the function sdma_load_context() fails, the sdma_desc will be\nfreed, but the allocated desc->bd is forgot to be freed.\n\nWe already met the sdma_load_context() failure case and the log as\nbelow:\n[ 450.699064] imx-sdma 30bd0000.dma-controller: Timeout waiting for CH0 ready\n...\n\nIn this case, the desc->bd will not be freed without this change.","publishedAt":"2025-03-27T16:42:56.372Z","updatedAt":"2026-05-11T19:05:57.292Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"21420841a554dae8a193cd3454ba91d913cfc320","status":"affected","lessThan":"80ee99e52936b2c04cc37b17a14b2ae2f9d282ac","versionType":"git"},{"version":"21420841a554dae8a193cd3454ba91d913cfc320","status":"affected","lessThan":"dbe634ce824329d8f14079c3e9f8f11670894bec","versionType":"git"},{"version":"21420841a554dae8a193cd3454ba91d913cfc320","status":"affected","lessThan":"bd0050b7ffa87c7b260d563646af612f4112a778","versionType":"git"},{"version":"21420841a554dae8a193cd3454ba91d913cfc320","status":"affected","lessThan":"43acd767bd90c5d4172ce7fee5d9007a9a08dea9","versionType":"git"},{"version":"21420841a554dae8a193cd3454ba91d913cfc320","status":"affected","lessThan":"ce4745a6b8016fae74c95dcd457d4ceef7d98af1","versionType":"git"},{"version":"21420841a554dae8a193cd3454ba91d913cfc320","status":"affected","lessThan":"1417f59ac0b02130ee56c0c50794b9b257be3d17","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/imx-sdma.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.19","versionType":"semver"},{"version":"4.19.272","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.231","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.167","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.92","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.10","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/imx-sdma.c"]}],"references":["https://git.kernel.org/stable/c/80ee99e52936b2c04cc37b17a14b2ae2f9d282ac","https://git.kernel.org/stable/c/dbe634ce824329d8f14079c3e9f8f11670894bec","https://git.kernel.org/stable/c/bd0050b7ffa87c7b260d563646af612f4112a778","https://git.kernel.org/stable/c/43acd767bd90c5d4172ce7fee5d9007a9a08dea9","https://git.kernel.org/stable/c/ce4745a6b8016fae74c95dcd457d4ceef7d98af1","https://git.kernel.org/stable/c/1417f59ac0b02130ee56c0c50794b9b257be3d17"],"weaknesses":["CWE-401"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49746.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49746","state":"PUBLISHED","datePublished":"2025-03-27T16:42:56.372Z","dateUpdated":"2026-05-11T19:05:57.292Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-03-27T16:39:17.987Z"},"containers":{"cna":{"title":"dmaengine: imx-sdma: Fix a possible memory leak in sdma_transfer_init","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: imx-sdma: Fix a possible memory leak in sdma_transfer_init\n\nIf the function sdma_load_context() fails, the sdma_desc will be\nfreed, but the allocated desc->bd is forgot to be freed.\n\nWe already met the sdma_load_context() failure case and the log as\nbelow:\n[ 450.699064] imx-sdma 30bd0000.dma-controller: Timeout waiting for CH0 ready\n...\n\nIn this case, the desc->bd will not be freed without this change."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"21420841a554dae8a193cd3454ba91d913cfc320","status":"affected","lessThan":"80ee99e52936b2c04cc37b17a14b2ae2f9d282ac","versionType":"git"},{"version":"21420841a554dae8a193cd3454ba91d913cfc320","status":"affected","lessThan":"dbe634ce824329d8f14079c3e9f8f11670894bec","versionType":"git"},{"version":"21420841a554dae8a193cd3454ba91d913cfc320","status":"affected","lessThan":"bd0050b7ffa87c7b260d563646af612f4112a778","versionType":"git"},{"version":"21420841a554dae8a193cd3454ba91d913cfc320","status":"affected","lessThan":"43acd767bd90c5d4172ce7fee5d9007a9a08dea9","versionType":"git"},{"version":"21420841a554dae8a193cd3454ba91d913cfc320","status":"affected","lessThan":"ce4745a6b8016fae74c95dcd457d4ceef7d98af1","versionType":"git"},{"version":"21420841a554dae8a193cd3454ba91d913cfc320","status":"affected","lessThan":"1417f59ac0b02130ee56c0c50794b9b257be3d17","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/imx-sdma.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.19","versionType":"semver"},{"version":"4.19.272","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.231","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.167","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.92","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.10","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/imx-sdma.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/80ee99e52936b2c04cc37b17a14b2ae2f9d282ac"},{"url":"https://git.kernel.org/stable/c/dbe634ce824329d8f14079c3e9f8f11670894bec"},{"url":"https://git.kernel.org/stable/c/bd0050b7ffa87c7b260d563646af612f4112a778"},{"url":"https://git.kernel.org/stable/c/43acd767bd90c5d4172ce7fee5d9007a9a08dea9"},{"url":"https://git.kernel.org/stable/c/ce4745a6b8016fae74c95dcd457d4ceef7d98af1"},{"url":"https://git.kernel.org/stable/c/1417f59ac0b02130ee56c0c50794b9b257be3d17"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:05:57.292Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"4.19.272"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.4.231"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.10.167"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"5.15.92"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.1.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-10-01T17:25:21.461910Z","id":"CVE-2022-49746","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-401","type":"CWE","lang":"en","description":"CWE-401 Missing Release of Memory after Effective Lifetime"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T17:25:25.375Z"}}]}}}