{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53159", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.388Z", "datePublished": "2026-06-25T08:38:41.482Z", "dateUpdated": "2026-07-18T07:33:18.557Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-18T07:33:18.557Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: fastrpc: fix DMA address corruption due to find_vma misuse\n\nfastrpc_get_args() uses find_vma() to look up the VMA for a user-provided\npointer and compute a DMA address offset. When the address falls in a gap\nbefore the returned VMA, (ptr & PAGE_MASK) - vma->vm_start underflows,\ncorrupting the DMA address sent to the DSP.\n\nReplace find_vma() with vma_lookup(), which returns NULL when the address\nis not contained within any VMA."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH"}}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/misc/fastrpc.c"], "versions": [{"version": "80f3afd72bd4149c57daf852905476b43bb47647", "lessThan": "d43afc412d439ffca1567e7ca8652be22f272b3b", "status": "affected", "versionType": "git"}, {"version": "80f3afd72bd4149c57daf852905476b43bb47647", "lessThan": "2d0f47e27c1fa718b29c69aa7c96a2c5161bc2c2", "status": "affected", "versionType": "git"}, {"version": "80f3afd72bd4149c57daf852905476b43bb47647", "lessThan": "708c17b52c60fe7a57e73b495bdee50f58feb48c", "status": "affected", "versionType": "git"}, {"version": "80f3afd72bd4149c57daf852905476b43bb47647", "lessThan": "d3e26df2e8eb361e6bef096b2fd565476a1f14c4", "status": "affected", "versionType": "git"}, {"version": "80f3afd72bd4149c57daf852905476b43bb47647", "lessThan": "e69e306a4cccb40a73511350cb280825a556ce3c", "status": "affected", "versionType": "git"}, {"version": "80f3afd72bd4149c57daf852905476b43bb47647", "lessThan": "53e06f8a3c2b085c31bf1284e2ebcb8036e99625", "status": "affected", "versionType": "git"}, {"version": "80f3afd72bd4149c57daf852905476b43bb47647", "lessThan": "7ba7b30ddb04646d4d638f4d8c4718a304bbbddd", "status": "affected", "versionType": "git"}, {"version": "80f3afd72bd4149c57daf852905476b43bb47647", "lessThan": "464c6ad2aa16e1e1df9d559289199356493d1e00", "status": "affected", "versionType": "git"}, {"version": "954edc466128479872731d06f026d0e71840d153", "status": "affected", "versionType": "git"}, {"version": "5.1.6", "lessThan": "5.2", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/misc/fastrpc.c"], "versions": [{"version": "5.2", "status": "affected"}, {"version": "0", "lessThan": "5.2", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.260", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.210", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.176", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.143", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.94", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.36", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.13", "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": "5.2", "versionEndExcluding": "5.10.260"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.15.210"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "6.1.176"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "6.6.143"}, {"vulnerable": true, "criteria": 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"https://git.kernel.org/stable/c/d3e26df2e8eb361e6bef096b2fd565476a1f14c4"}, {"url": "https://git.kernel.org/stable/c/e69e306a4cccb40a73511350cb280825a556ce3c"}, {"url": "https://git.kernel.org/stable/c/53e06f8a3c2b085c31bf1284e2ebcb8036e99625"}, {"url": "https://git.kernel.org/stable/c/7ba7b30ddb04646d4d638f4d8c4718a304bbbddd"}, {"url": "https://git.kernel.org/stable/c/464c6ad2aa16e1e1df9d559289199356493d1e00"}], "title": "misc: fastrpc: fix DMA address corruption due to find_vma misuse", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"bugzilla": {"description": "kernel: misc: fastrpc: fix DMA address corruption due to find_vma misuse", "id": "2492706", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492706"}, "csaw": false, "cwe": "CWE-191", "details": ["A flaw was found in the Linux kernel's fastrpc module. The `fastrpc_get_args()` function incorrectly calculates a Direct Memory Access (DMA) address offset for user-provided pointers. This can lead to an underflow, corrupting the DMA address sent to the Digital Signal Processor (DSP). This corruption could result in system instability or other undefined behavior."], "name": "CVE-2026-53159", "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": "2026-06-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53159\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53159\nhttps://lore.kernel.org/linux-cve-announce/2026062549-CVE-2026-53159-d6fc@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[80f3afd72bd4149c57daf852905476b43bb47647,2d0f47e27c1fa718b29c69aa7c96a2c5161bc2c2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[80f3afd72bd4149c57daf852905476b43bb47647,708c17b52c60fe7a57e73b495bdee50f58feb48c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[80f3afd72bd4149c57daf852905476b43bb47647,d3e26df2e8eb361e6bef096b2fd565476a1f14c4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[80f3afd72bd4149c57daf852905476b43bb47647,e69e306a4cccb40a73511350cb280825a556ce3c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[80f3afd72bd4149c57daf852905476b43bb47647,53e06f8a3c2b085c31bf1284e2ebcb8036e99625)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[80f3afd72bd4149c57daf852905476b43bb47647,7ba7b30ddb04646d4d638f4d8c4718a304bbbddd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[80f3afd72bd4149c57daf852905476b43bb47647,464c6ad2aa16e1e1df9d559289199356493d1e00)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "954edc466128479872731d06f026d0e71840d153"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.1.6,5.2)"}}], "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": "semver", "value": "5.2"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.2)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.15.210,5.15.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.176,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.143,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.94,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.36,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0.13,7.0.*]"}}, {"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": "2026-06-25T11:45:03.803630+00:00", "title": "DMA Address Corruption in Linux fastrpc Module", "updated": "2026-07-22T16:30:06.355427+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-125", "CWE-193", "CWE-191"]}