CVE-2026-43146

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43146", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.989Z", "datePublished": "2026-05-06T11:27:29.562Z", "dateUpdated": "2026-05-11T22:18:39.117Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T22:18:39.117Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: iris: Add buffer to list only after successful allocation\n\nMove `list_add_tail()` to after `dma_alloc_attrs()` succeeds when creating\ninternal buffers. Previously, the buffer was enqueued in `buffers->list`\nbefore the DMA allocation. If the allocation failed, the function returned\n`-ENOMEM` while leaving a partially initialized buffer in the list, which\ncould lead to inconsistent state and potential leaks.\n\nBy adding the buffer to the list only after `dma_alloc_attrs()` succeeds,\nwe ensure the list contains only valid, fully initialized buffers."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/platform/qcom/iris/iris_buffer.c"], "versions": [{"version": "73702f45db81b74897b2808aaa13484826156006", "lessThan": "45b30f65feeb4d5570d5337793bb0f298be813d2", "status": "affected", "versionType": "git"}, {"version": "73702f45db81b74897b2808aaa13484826156006", "lessThan": "98b4c4c90f1e11caecbe2093dbe3a901d338bc81", "status": "affected", "versionType": "git"}, {"version": "73702f45db81b74897b2808aaa13484826156006", "lessThan": "2d0bbd982dfdd67da488a772f7a8a1bdca7642bf", "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/media/platform/qcom/iris/iris_buffer.c"], "versions": [{"version": "6.15", "status": "affected"}, {"version": "0", "lessThan": "6.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.16", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.6", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "6.15", "versionEndExcluding": "6.18.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "6.19.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/45b30f65feeb4d5570d5337793bb0f298be813d2"}, {"url": "https://git.kernel.org/stable/c/98b4c4c90f1e11caecbe2093dbe3a901d338bc81"}, {"url": "https://git.kernel.org/stable/c/2d0bbd982dfdd67da488a772f7a8a1bdca7642bf"}], "title": "media: iris: Add buffer to list only after successful allocation", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/media/platform/qcom/iris/iris_buffer.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "45b30f65feeb4d5570d5337793bb0f298be813d2", "status": "affected", "version": "73702f45db81b74897b2808aaa13484826156006", "versionType": "git"}, {"lessThan": "98b4c4c90f1e11caecbe2093dbe3a901d338bc81", "status": "affected", "version": "73702f45db81b74897b2808aaa13484826156006", "versionType": "git"}, {"lessThan": "2d0bbd982dfdd67da488a772f7a8a1bdca7642bf", "status": "affected", "version": "73702f45db81b74897b2808aaa13484826156006", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/media/platform/qcom/iris/iris_buffer.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.15"}, {"lessThan": "6.15", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.16", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "5B5F989F-E891-48E4-9EC9-3C5EFD3DB9DC", "versionEndExcluding": "6.18.16", "versionStartIncluding": "6.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "373EEEDA-FAA1-4FB4-B6ED-DB4DD99DBE67", "versionEndExcluding": "6.19.6", "versionStartIncluding": "6.19", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: iris: Add buffer to list only after successful allocation\n\nMove `list_add_tail()` to after `dma_alloc_attrs()` succeeds when creating\ninternal buffers. Previously, the buffer was enqueued in `buffers->list`\nbefore the DMA allocation. If the allocation failed, the function returned\n`-ENOMEM` while leaving a partially initialized buffer in the list, which\ncould lead to inconsistent state and potential leaks.\n\nBy adding the buffer to the list only after `dma_alloc_attrs()` succeeds,\nwe ensure the list contains only valid, fully initialized buffers."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nmedia: iris: A\u00f1adir b\u00fafer a la lista solo despu\u00e9s de una asignaci\u00f3n exitosa\n\nMover \u2019list_add_tail()\u2019 a despu\u00e9s de que \u2019dma_alloc_attrs()\u2019 tenga \u00e9xito al crear b\u00faferes internos. Anteriormente, el b\u00fafer se encolaba en \u2019buffers -> list\u2019 antes de la asignaci\u00f3n DMA. Si la asignaci\u00f3n fallaba, la funci\u00f3n devolv\u00eda \u2019-ENOMEM\u2019 mientras dejaba un b\u00fafer parcialmente inicializado en la lista, lo que podr\u00eda llevar a un estado inconsistente y posibles fugas.\n\nAl a\u00f1adir el b\u00fafer a la lista solo despu\u00e9s de que \u2019dma_alloc_attrs()\u2019 tenga \u00e9xito, nos aseguramos de que la lista contenga solo b\u00faferes v\u00e1lidos y completamente inicializados."}], "id": "CVE-2026-43146", "lastModified": "2026-11-11T21:10:00.200", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-05-06T12:16:32.127", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2d0bbd982dfdd67da488a772f7a8a1bdca7642bf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/45b30f65feeb4d5570d5337793bb0f298be813d2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/98b4c4c90f1e11caecbe2093dbe3a901d338bc81"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: media: iris: Add buffer to list only after successful allocation", "id": "2467080", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467080"}, "csaw": false, "cwe": "CWE-908", "details": ["A flaw was found in the Linux kernel's iris media driver. When creating internal buffers, a buffer was added to a list before its Direct Memory Access (DMA) allocation was successfully completed. If the DMA allocation failed, a partially initialized buffer remained in the list. This could lead to an inconsistent system state and potential memory leaks."], "name": "CVE-2026-43146", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "2026-05-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43146\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43146\nhttps://lore.kernel.org/linux-cve-announce/2026050626-CVE-2026-43146-c0ee@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[73702f45db81b74897b2808aaa13484826156006,45b30f65feeb4d5570d5337793bb0f298be813d2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[73702f45db81b74897b2808aaa13484826156006,98b4c4c90f1e11caecbe2093dbe3a901d338bc81)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[73702f45db81b74897b2808aaa13484826156006,2d0bbd982dfdd67da488a772f7a8a1bdca7642bf)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.15"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.15)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.16,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.6,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-06T15:00:07.181225+00:00", "updated": "2026-05-13T22:00:06.586997+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}