{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50721", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T12:20:40.329Z", "datePublished": "2025-12-24T12:22:44.080Z", "dateUpdated": "2025-12-24T12:22:44.080Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-24T12:22:44.080Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: qcom-adm: fix wrong calling convention for prep_slave_sg\n\nThe calling convention for pre_slave_sg is to return NULL on error and\nprovide an error log to the system. Qcom-adm instead provide error\npointer when an error occur. This indirectly cause kernel panic for\nexample for the nandc driver that checks only if the pointer returned by\ndevice_prep_slave_sg is not NULL. Returning an error pointer makes nandc\nthink the device_prep_slave_sg function correctly completed and makes\nthe kernel panics later in the code.\n\nWhile nandc is the one that makes the kernel crash, it was pointed out\nthat the real problem is qcom-adm not following calling convention for\nthat function.\n\nTo fix this, drop returning error pointer and return NULL with an error\nlog."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/dma/qcom/qcom_adm.c"], "versions": [{"version": "5c9f8c2dbdbe53818bcde6aa6695e1331e5f841f", "lessThan": "5653bd0200944e5803fa8e32dc36aa49931312f9", "status": "affected", "versionType": "git"}, {"version": "5c9f8c2dbdbe53818bcde6aa6695e1331e5f841f", "lessThan": "9a041174c58a226e713f6cebd41eccec7a5cfa72", "status": "affected", "versionType": "git"}, {"version": "5c9f8c2dbdbe53818bcde6aa6695e1331e5f841f", "lessThan": "b9d2140c3badf4107973ad77c5a0ec3075705c85", "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/qcom_adm.c"], "versions": [{"version": "5.11", "status": "affected"}, {"version": "0", "lessThan": "5.11", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.17", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.3", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1", "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": "5.11", "versionEndExcluding": "5.19.17"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.0.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5653bd0200944e5803fa8e32dc36aa49931312f9"}, {"url": "https://git.kernel.org/stable/c/9a041174c58a226e713f6cebd41eccec7a5cfa72"}, {"url": "https://git.kernel.org/stable/c/b9d2140c3badf4107973ad77c5a0ec3075705c85"}], "title": "dmaengine: qcom-adm: fix wrong calling convention for prep_slave_sg", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: qcom-adm: fix wrong calling convention for prep_slave_sg\n\nThe calling convention for pre_slave_sg is to return NULL on error and\nprovide an error log to the system. Qcom-adm instead provide error\npointer when an error occur. This indirectly cause kernel panic for\nexample for the nandc driver that checks only if the pointer returned by\ndevice_prep_slave_sg is not NULL. Returning an error pointer makes nandc\nthink the device_prep_slave_sg function correctly completed and makes\nthe kernel panics later in the code.\n\nWhile nandc is the one that makes the kernel crash, it was pointed out\nthat the real problem is qcom-adm not following calling convention for\nthat function.\n\nTo fix this, drop returning error pointer and return NULL with an error\nlog."}], "id": "CVE-2022-50721", "lastModified": "2025-12-24T13:15:58.767", "metrics": {}, "published": "2025-12-24T13:15:58.767", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5653bd0200944e5803fa8e32dc36aa49931312f9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9a041174c58a226e713f6cebd41eccec7a5cfa72"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b9d2140c3badf4107973ad77c5a0ec3075705c85"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}