CVE-2025-22001

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Use check_add_overflow() to ensure that\nthe math doesn't have an integer wrapping bug."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The bug is reached through DRM_IOCTL_QAIC_ATTACH_SLICE_BO on the /dev/accel/accelN character device, requiring local access to the machine hosting the Qualcomm Cloud AI 100 accelerator. There is no network-facing path to this code.\nAC:L - The attacker directly supplies the wrapping offset/size pair in the ioctl payload and the overflow is deterministic arithmetic with no race, timing, or memory-layout precondition. A single ioctl pair (attach slice, then execute BO) reliably programs the oversized DMA descriptor.\nPR:L - No capability check exists anywhere in drivers/accel/qaic/, and the ioctl is registered with flags 0 so drm_ioctl_permit() applies no root or auth gate; only an open fd on the accel node is needed. On the multi-tenant inference hosts this accelerator targets, that node is granted to ordinary unprivileged workload users.\nUI:N - The attacker performs the entire sequence itself with two ioctls on a device it opened. No victim action or cooperation is involved.\nS:U - The corruption occurs in host kernel memory under the same kernel security authority; this is a standard local kernel privilege-escalation primitive rather than a VM or IOMMU-boundary escape.\nC:H - A DMA_TO_DEVICE slice with the wrapped length makes the device read up to ~4 GiB of host memory past the buffer and copy it into accelerator memory, which the same unprivileged user can read back, yielding large-scale disclosure of kernel and other tenants' data.\nI:H - A DMA_FROM_DEVICE slice makes the device write ~4 GiB of attacker-controlled data beyond the 8 KiB buffer, giving a wide out-of-bounds write over kernel memory that is readily leveraged into control-flow hijack and privilege escalation.\nA:H - The multi-gigabyte overrun corrupts arbitrary kernel structures and page tables, reliably producing an oops or panic; with an IOMMU present it instead raises DMA faults that wedge or force a reset of the accelerator."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/accel/qaic/qaic_data.c"], "versions": [{"version": "ff13be8303336ead5621712f2c55012d738878b5", "lessThan": "4b2a170c25862ad116bd31be6b9841646b4862e8", "status": "affected", "versionType": "git"}, {"version": "ff13be8303336ead5621712f2c55012d738878b5", "lessThan": "b362fc904d264a88b4af20baae9e82491c285e9c", "status": "affected", "versionType": "git"}, {"version": "ff13be8303336ead5621712f2c55012d738878b5", "lessThan": "57fae0c505f49bb1e3d5660cd2cc49697ed85f7c", "status": "affected", "versionType": "git"}, {"version": "ff13be8303336ead5621712f2c55012d738878b5", "lessThan": "67d15c7aa0864dfd82325c7e7e7d8548b5224c7b", "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/accel/qaic/qaic_data.c"], "versions": [{"version": "6.4", "status": "affected"}, {"version": "0", "lessThan": "6.4", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.85", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.21", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13.9", "lessThanOrEqual": "6.13.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.14", "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": "6.4", "versionEndExcluding": "6.6.85"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.12.21"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.13.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.14"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/4b2a170c25862ad116bd31be6b9841646b4862e8"}, {"url": "https://git.kernel.org/stable/c/b362fc904d264a88b4af20baae9e82491c285e9c"}, {"url": "https://git.kernel.org/stable/c/57fae0c505f49bb1e3d5660cd2cc49697ed85f7c"}, {"url": "https://git.kernel.org/stable/c/67d15c7aa0864dfd82325c7e7e7d8548b5224c7b"}], "title": "accel/qaic: Fix integer overflow in qaic_validate_req()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-190", "lang": "en", "description": "CWE-190 Integer Overflow or Wraparound"}]}], "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": "2025-10-01T17:10:27.696134Z", "id": "CVE-2025-22001", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T17:10:29.970Z"}}]}}

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No victim action or cooperation is involved.\nS:U - The corruption occurs in host kernel memory under the same kernel security authority; this is a standard local kernel privilege-escalation primitive rather than a VM or IOMMU-boundary escape.\nC:H - A DMA_TO_DEVICE slice with the wrapped length makes the device read up to ~4 GiB of host memory past the buffer and copy it into accelerator memory, which the same unprivileged user can read back, yielding large-scale disclosure of kernel and other tenants' data.\nI:H - A DMA_FROM_DEVICE slice makes the device write ~4 GiB of attacker-controlled data beyond the 8 KiB buffer, giving a wide out-of-bounds write over kernel memory that is readily leveraged into control-flow hijack and privilege escalation.\nA:H - The multi-gigabyte overrun corrupts arbitrary kernel structures and page tables, reliably producing an oops or panic; with an IOMMU present it instead raises DMA faults that wedge or force a reset of the accelerator."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "ff13be8303336ead5621712f2c55012d738878b5", "lessThan": "4b2a170c25862ad116bd31be6b9841646b4862e8", "versionType": "git"}, {"status": "affected", "version": "ff13be8303336ead5621712f2c55012d738878b5", "lessThan": "b362fc904d264a88b4af20baae9e82491c285e9c", "versionType": "git"}, {"status": "affected", "version": "ff13be8303336ead5621712f2c55012d738878b5", "lessThan": "57fae0c505f49bb1e3d5660cd2cc49697ed85f7c", "versionType": "git"}, {"status": "affected", "version": "ff13be8303336ead5621712f2c55012d738878b5", "lessThan": "67d15c7aa0864dfd82325c7e7e7d8548b5224c7b", "versionType": "git"}], "programFiles": ["drivers/accel/qaic/qaic_data.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.4"}, {"status": "unaffected", "version": "0", "lessThan": "6.4", "versionType": "semver"}, {"status": "unaffected", "version": "6.6.85", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.21", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.13.9", "versionType": "semver", "lessThanOrEqual": "6.13.*"}, {"status": "unaffected", "version": "6.14", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/accel/qaic/qaic_data.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/4b2a170c25862ad116bd31be6b9841646b4862e8"}, {"url": "https://git.kernel.org/stable/c/b362fc904d264a88b4af20baae9e82491c285e9c"}, {"url": "https://git.kernel.org/stable/c/57fae0c505f49bb1e3d5660cd2cc49697ed85f7c"}, {"url": "https://git.kernel.org/stable/c/67d15c7aa0864dfd82325c7e7e7d8548b5224c7b"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/qaic: Fix integer overflow in qaic_validate_req()\n\nThese are u64 variables that come from the user via\nqaic_attach_slice_bo_ioctl(). 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Use check_add_overflow() to ensure that\nthe math doesn't have an integer wrapping bug."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: accel/qaic: Se corrige el desbordamiento de enteros en qaic_validate_req(). Estas son variables u64 que provienen del usuario mediante qaic_attach_slice_bo_ioctl(). Use check_add_overflow() para garantizar que los c\u00e1lculos no presenten un error de envoltura de enteros."}], "id": "CVE-2025-22001", "lastModified": "2026-07-30T06:22:02.473", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"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"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-22001", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-10-01T17:10:27.696134Z", "version": "2.0.3"}}]}, "published": "2025-04-03T08:15:15.603", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4b2a170c25862ad116bd31be6b9841646b4862e8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/57fae0c505f49bb1e3d5660cd2cc49697ed85f7c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/67d15c7aa0864dfd82325c7e7e7d8548b5224c7b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b362fc904d264a88b4af20baae9e82491c285e9c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-190"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: accel/qaic: Fix integer overflow in qaic_validate_req()", "id": "2357136", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2357136"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-190", "details": ["In the Linux kernel, the following vulnerability has been resolved:\naccel/qaic: Fix integer overflow in qaic_validate_req()\nThese are u64 variables that come from the user via\nqaic_attach_slice_bo_ioctl(). Use check_add_overflow() to ensure that\nthe math doesn't have an integer wrapping bug."], "name": "CVE-2025-22001", "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": "2025-04-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-22001\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-22001\nhttps://lore.kernel.org/linux-cve-announce/2025040349-CVE-2025-22001-5187@gregkh/T"], "threat_severity": "Moderate"}

{}