{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-40172", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.177Z", "datePublished": "2025-11-12T10:53:49.245Z", "dateUpdated": "2025-11-12T10:53:49.245Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-11-12T10:53:49.245Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/qaic: Treat remaining == 0 as error in find_and_map_user_pages()\n\nCurrently, if find_and_map_user_pages() takes a DMA xfer request from the\nuser with a length field set to 0, or in a rare case, the host receives\nQAIC_TRANS_DMA_XFER_CONT from the device where resources->xferred_dma_size\nis equal to the requested transaction size, the function will return 0\nbefore allocating an sgt or setting the fields of the dma_xfer struct.\nIn that case, encode_addr_size_pairs() will try to access the sgt which\nwill lead to a general protection fault.\n\nReturn an EINVAL in case the user provides a zero-sized ALP, or the device\nrequests continuation after all of the bytes have been transferred."}], "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_control.c"], "versions": [{"version": "96d3c1cadedb6ae2e8965e19cd12caa244afbd9c", "lessThan": "48b1d42286bfef7628b1d6c8c28d4e456c90f725", "status": "affected", "versionType": "git"}, {"version": "96d3c1cadedb6ae2e8965e19cd12caa244afbd9c", "lessThan": "551f1dfbcb7f3e6ed07f9d6c8c1c64337fcd0ede", "status": "affected", "versionType": "git"}, {"version": "96d3c1cadedb6ae2e8965e19cd12caa244afbd9c", "lessThan": "1ab9733d14cc9987cc5dcd1f0ad1f416e302e2e6", "status": "affected", "versionType": "git"}, {"version": "96d3c1cadedb6ae2e8965e19cd12caa244afbd9c", "lessThan": "11f08c30a3e4157305ba692f1d44cca5fc9a8fca", "status": "affected", "versionType": "git"}, {"version": "d410a96e5cb8c1ec7049c83f2edcd8bbfaf5d9b3", "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_control.c"], "versions": [{"version": "6.5", "status": "affected"}, {"version": "0", "lessThan": "6.5", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.114", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.55", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.5", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18-rc2", "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": "6.5", "versionEndExcluding": "6.6.114"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.12.55"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.17.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.18-rc2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4.12"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/48b1d42286bfef7628b1d6c8c28d4e456c90f725"}, {"url": "https://git.kernel.org/stable/c/551f1dfbcb7f3e6ed07f9d6c8c1c64337fcd0ede"}, {"url": "https://git.kernel.org/stable/c/1ab9733d14cc9987cc5dcd1f0ad1f416e302e2e6"}, {"url": "https://git.kernel.org/stable/c/11f08c30a3e4157305ba692f1d44cca5fc9a8fca"}], "title": "accel/qaic: Treat remaining == 0 as error in find_and_map_user_pages()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/qaic: Treat remaining == 0 as error in find_and_map_user_pages()\n\nCurrently, if find_and_map_user_pages() takes a DMA xfer request from the\nuser with a length field set to 0, or in a rare case, the host receives\nQAIC_TRANS_DMA_XFER_CONT from the device where resources->xferred_dma_size\nis equal to the requested transaction size, the function will return 0\nbefore allocating an sgt or setting the fields of the dma_xfer struct.\nIn that case, encode_addr_size_pairs() will try to access the sgt which\nwill lead to a general protection fault.\n\nReturn an EINVAL in case the user provides a zero-sized ALP, or the device\nrequests continuation after all of the bytes have been transferred."}], "id": "CVE-2025-40172", "lastModified": "2025-11-12T16:19:12.850", "metrics": {}, "published": "2025-11-12T11:15:47.643", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/11f08c30a3e4157305ba692f1d44cca5fc9a8fca"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1ab9733d14cc9987cc5dcd1f0ad1f416e302e2e6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/48b1d42286bfef7628b1d6c8c28d4e456c90f725"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/551f1dfbcb7f3e6ed07f9d6c8c1c64337fcd0ede"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: accel/qaic: Treat remaining == 0 as error in find_and_map_user_pages()", "id": "2414513", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2414513"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\naccel/qaic: Treat remaining == 0 as error in find_and_map_user_pages()\nCurrently, if find_and_map_user_pages() takes a DMA xfer request from the\nuser with a length field set to 0, or in a rare case, the host receives\nQAIC_TRANS_DMA_XFER_CONT from the device where resources->xferred_dma_size\nis equal to the requested transaction size, the function will return 0\nbefore allocating an sgt or setting the fields of the dma_xfer struct.\nIn that case, encode_addr_size_pairs() will try to access the sgt which\nwill lead to a general protection fault.\nReturn an EINVAL in case the user provides a zero-sized ALP, or the device\nrequests continuation after all of the bytes have been transferred."], "name": "CVE-2025-40172", "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": "2025-11-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-40172\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-40172\nhttps://lore.kernel.org/linux-cve-announce/2025111254-CVE-2025-40172-f3b8@gregkh/T"], "threat_severity": "Moderate"}