CVE-2026-90409

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90409", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.812Z", "datePublished": "2026-09-17T16:09:36.740Z", "dateUpdated": "2026-10-21T12:51:32.495Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:51:32.495Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/panthor: Add vm_bind region with kbo range overlap check\n\nWhen a VM is created, caller has to specify the range of the address space\ncarve-out set aside for mapping kernel BO's. That means vm_bind mappings of\nUM-exposed BO's should not intersect with that region, but at the moment\nwe're not checking this.\n\nAt first, I thought of giving these values to drm_gpuvm_init() through its\nreserve_{offset, range} arguments, but it turns out that is meant for VM\naddress spans that are not managed through the usual drm_gpuvm split/merge\ncircuit, so storing the end of the user VA range at VM creation time and\ndoing a quick check in the vm_bind ioctl path was the simplest workaround.\n\nThe new check also makes sure vm_bind range doesn't overflow the size of a\n64-bit unsigned integer. That was already being done further down the call\nstack inside drm_gpuvm_sm_map -> drm_gpuvm_range_valid, but it's best to\nfail early in the driver before GPUVM functions are invoked so that we\nwon't waste time allocating vm_bind context resources."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/panthor/panthor_mmu.c"], "versions": [{"version": "647810ec247641eb5aec8caef818919a4518a0b1", "lessThan": "276753aaad65e6f7dac7989a600c1c2d3a382c1a", "status": "affected", "versionType": "git"}, {"version": "647810ec247641eb5aec8caef818919a4518a0b1", "lessThan": "f2be47fa8e225968eb66863657143fe900ec4bca", "status": "affected", "versionType": "git"}, {"version": "647810ec247641eb5aec8caef818919a4518a0b1", "lessThan": "761cf9c63274a5b711c3dc829601723215710d2d", "status": "affected", "versionType": "git"}, {"version": "647810ec247641eb5aec8caef818919a4518a0b1", "lessThan": "985f5e12f3cdf43030e13c2bbd154913133b5c3f", "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/gpu/drm/panthor/panthor_mmu.c"], "versions": [{"version": "6.10", "status": "affected"}, {"version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.114", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.57", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "6.10", "versionEndExcluding": "6.12.114"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.18.57"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/276753aaad65e6f7dac7989a600c1c2d3a382c1a"}, {"url": "https://git.kernel.org/stable/c/f2be47fa8e225968eb66863657143fe900ec4bca"}, {"url": "https://git.kernel.org/stable/c/761cf9c63274a5b711c3dc829601723215710d2d"}, {"url": "https://git.kernel.org/stable/c/985f5e12f3cdf43030e13c2bbd154913133b5c3f"}], "title": "drm/panthor: Add vm_bind region with kbo range overlap check", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/panthor/panthor_mmu.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "276753aaad65e6f7dac7989a600c1c2d3a382c1a", "status": "affected", "version": "647810ec247641eb5aec8caef818919a4518a0b1", "versionType": "git"}, {"lessThan": "f2be47fa8e225968eb66863657143fe900ec4bca", "status": "affected", "version": "647810ec247641eb5aec8caef818919a4518a0b1", "versionType": "git"}, {"lessThan": "761cf9c63274a5b711c3dc829601723215710d2d", "status": "affected", "version": "647810ec247641eb5aec8caef818919a4518a0b1", "versionType": "git"}, {"lessThan": "985f5e12f3cdf43030e13c2bbd154913133b5c3f", "status": "affected", "version": "647810ec247641eb5aec8caef818919a4518a0b1", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/panthor/panthor_mmu.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.10"}, {"lessThan": "6.10", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.114", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.57", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/panthor: Add vm_bind region with kbo range overlap check\n\nWhen a VM is created, caller has to specify the range of the address space\ncarve-out set aside for mapping kernel BO's. That means vm_bind mappings of\nUM-exposed BO's should not intersect with that region, but at the moment\nwe're not checking this.\n\nAt first, I thought of giving these values to drm_gpuvm_init() through its\nreserve_{offset, range} arguments, but it turns out that is meant for VM\naddress spans that are not managed through the usual drm_gpuvm split/merge\ncircuit, so storing the end of the user VA range at VM creation time and\ndoing a quick check in the vm_bind ioctl path was the simplest workaround.\n\nThe new check also makes sure vm_bind range doesn't overflow the size of a\n64-bit unsigned integer. That was already being done further down the call\nstack inside drm_gpuvm_sm_map -> drm_gpuvm_range_valid, but it's best to\nfail early in the driver before GPUVM functions are invoked so that we\nwon't waste time allocating vm_bind context resources."}], "id": "CVE-2026-90409", "lastModified": "2026-10-21T13:20:54.210", "metrics": {}, "published": "2026-09-17T17:17:40.800", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/276753aaad65e6f7dac7989a600c1c2d3a382c1a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/761cf9c63274a5b711c3dc829601723215710d2d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/985f5e12f3cdf43030e13c2bbd154913133b5c3f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f2be47fa8e225968eb66863657143fe900ec4bca"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[647810ec247641eb5aec8caef818919a4518a0b1,761cf9c63274a5b711c3dc829601723215710d2d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[647810ec247641eb5aec8caef818919a4518a0b1,985f5e12f3cdf43030e13c2bbd154913133b5c3f)"}}], "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": "6.10"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.10)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "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": "2026-09-19T09:00:14.015175+00:00", "updated": "2026-09-19T13:30:13.954351+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-284", "CWE-190"]}