CVE-2026-53057

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It is not directly reachable from network packets.\nAC:L - An attacker controlling an assigned DMA-capable device can prepopulate translation caches and trigger domain changes without needing to win an uncontrollable race. The bug is a missing required invalidation after DDT/PDT updates.\nPR:L - Exploitation requires local access to a DMA-capable device or delegated VFIO/iommufd device ownership, which is commonly granted to non-root users or guest workloads. It does not require real init-namespace root once that device access exists.\nUI:N - No separate victim action is required after the attacker has device access. The attacker can trigger DMA and domain transitions directly through the local device management path.\nS:C - This is an IOMMU/DMA isolation failure, so stale translations can cross the intended device, guest, or host memory protection boundary. Kernel guidance treats IOMMU/DMA boundary bypass as scope changed.\nC:H - Stale DDT/PDT-derived translations can allow a device to DMA-read memory belonging to a previous or different protection domain. In the severe reasonable VFIO or passthrough scenario, this can expose arbitrary host or other-guest memory.\nI:H - The same stale translations can permit DMA writes outside the attacker's assigned domain. That can corrupt host or other-guest memory and potentially alter privileged state.\nA:H - Unauthorized DMA writes or stale-domain DMA after blocking/detach can corrupt critical memory and crash or hang the host or victim workload. Repeated triggering is feasible through local device control."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iommu/riscv/iommu.c"], "versions": [{"version": "488ffbf181718b9ad8c1838cb249d60973e78eda", "lessThan": "3f917d9bff68600f77561900f3145bd4706dc840", "status": "affected", "versionType": "git"}, {"version": "488ffbf181718b9ad8c1838cb249d60973e78eda", "lessThan": "d99d1c13faa793ff1abab0d20ab6473c838081b3", "status": "affected", "versionType": "git"}, {"version": "488ffbf181718b9ad8c1838cb249d60973e78eda", "lessThan": "f5c262b544975e067ea265fc7403aefbbea8563e", "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/iommu/riscv/iommu.c"], "versions": [{"version": "6.13", "status": "affected"}, {"version": "0", "lessThan": "6.13", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.33", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.10", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "6.13", "versionEndExcluding": "6.18.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "7.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3f917d9bff68600f77561900f3145bd4706dc840"}, {"url": "https://git.kernel.org/stable/c/d99d1c13faa793ff1abab0d20ab6473c838081b3"}, {"url": "https://git.kernel.org/stable/c/f5c262b544975e067ea265fc7403aefbbea8563e"}], "title": "iommu/riscv: Add IOTINVAL after updating DDT/PDT entries", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/iommu/riscv/iommu.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "3f917d9bff68600f77561900f3145bd4706dc840", "status": "affected", "version": "488ffbf181718b9ad8c1838cb249d60973e78eda", "versionType": "git"}, {"lessThan": "d99d1c13faa793ff1abab0d20ab6473c838081b3", "status": "affected", "version": "488ffbf181718b9ad8c1838cb249d60973e78eda", "versionType": "git"}, {"lessThan": "f5c262b544975e067ea265fc7403aefbbea8563e", "status": "affected", "version": "488ffbf181718b9ad8c1838cb249d60973e78eda", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/iommu/riscv/iommu.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.13"}, {"lessThan": "6.13", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.33", "versionType": "semver"}, {"lessThanOrEqual": "7.0.*", "status": "unaffected", "version": "7.0.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "96D99E49-380D-43AB-BDBA-25C3AD018A9C", "versionEndExcluding": "6.18.33", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A13475D2-59BF-4716-94B5-7C1D239A2CF4", "versionEndExcluding": "7.0.10", "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\niommu/riscv: Add IOTINVAL after updating DDT/PDT entries\n\nAdd riscv_iommu_iodir_iotinval() to perform required TLB and context cache\ninvalidations after updating DDT or PDT entries, as mandated by the RISC-V\nIOMMU specification (Section 6.3.1 and 6.3.2)."}], "id": "CVE-2026-53057", "lastModified": "2026-07-21T17:29:32.643", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.0, "impactScore": 6.0, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}]}, "published": "2026-06-24T17:17:17.960", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3f917d9bff68600f77561900f3145bd4706dc840"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d99d1c13faa793ff1abab0d20ab6473c838081b3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f5c262b544975e067ea265fc7403aefbbea8563e"}], "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: iommu/riscv: Add IOTINVAL after updating DDT/PDT entries", "id": "2492375", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492375"}, "csaw": false, "cwe": "CWE-524", "details": ["A flaw was found in the Linux kernel, specifically within the Input/Output Memory Management Unit (IOMMU) for RISC-V architectures. This vulnerability occurs because the system does not properly clear out old memory translation information, known as Translation Lookaside Buffer (TLB) and context cache entries, after updating critical memory tables. An attacker could potentially exploit this oversight to access or alter data incorrectly, leading to data integrity issues or the disclosure of sensitive information."], "name": "CVE-2026-53057", "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": "2026-06-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53057\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53057\nhttps://lore.kernel.org/linux-cve-announce/2026062401-CVE-2026-53057-fa94@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[488ffbf181718b9ad8c1838cb249d60973e78eda,3f917d9bff68600f77561900f3145bd4706dc840)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[488ffbf181718b9ad8c1838cb249d60973e78eda,d99d1c13faa793ff1abab0d20ab6473c838081b3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[488ffbf181718b9ad8c1838cb249d60973e78eda,f5c262b544975e067ea265fc7403aefbbea8563e)"}}], "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": "6.13"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.13)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.33,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.10,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "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": "2026-06-24T19:30:08.642186+00:00", "updated": "2026-08-12T07:00:12.586515+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}