CVE-2026-72467

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72467", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.933Z", "datePublished": "2026-08-15T05:57:10.499Z", "dateUpdated": "2026-08-17T05:15:12.570Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:15:12.570Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxprtrdma: Check frwr_wp_create() during connect\n\nfrwr_wp_create() creates the singleton Memory Region used to encode\npadding for Write chunks whose payload length is not XDR-aligned. Its\nfailure paths return a negative errno and leave ep->re_write_pad_mr set\nto NULL.\n\nrpcrdma_xprt_connect() currently ignores that return value. If\nfrwr_wp_create() fails after the rest of the connection setup succeeds,\nxprt_rdma_connect_worker() treats the connection attempt as successful\nand sets XPRT_CONNECTED. A later NFS/RDMA read with a non-4-byte-aligned\nreceive page length reaches rpcrdma_encode_write_list(), passes the NULL\nwrite-pad MR to encode_rdma_segment(), and dereferences it.\n\nThis is locally triggerable on an NFS/RDMA client after a connect or\nreconnect hits a local MR allocation, DMA-map, MR-map, or post-send\nfailure; a remote peer alone cannot force the local MR setup failure.\n\nCheck the return value and fail the connect as -ENOTCONN, matching the\nadjacent setup failures. This keeps XPRT_CONNECTED clear and lets the\nnormal reconnect path retry."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/sunrpc/xprtrdma/verbs.c"], "versions": [{"version": "21037b8c2258ec40de3b31be9ced43ceb3b784f7", "lessThan": "3b252fe1778b2cdd68283146455929801bc2abd7", "status": "affected", "versionType": "git"}, {"version": "21037b8c2258ec40de3b31be9ced43ceb3b784f7", "lessThan": "dd798b76a3481e392820c3ae86ed4592858c6b0f", "status": "affected", "versionType": "git"}, {"version": "21037b8c2258ec40de3b31be9ced43ceb3b784f7", "lessThan": "6b7be4f3feae322f1c2c40a3bdc99db93574a49e", "status": "affected", "versionType": "git"}, {"version": "21037b8c2258ec40de3b31be9ced43ceb3b784f7", "lessThan": "7471e66373a4444a57ef2192f8c4081202c54f45", "status": "affected", "versionType": "git"}, {"version": "21037b8c2258ec40de3b31be9ced43ceb3b784f7", "lessThan": "ef3b79edf14b6bfb0d21a26ccb0463f9cf82c6a9", "status": "affected", "versionType": "git"}, {"version": "21037b8c2258ec40de3b31be9ced43ceb3b784f7", "lessThan": "0f13fc7c7d2e0427517e63c739277a4cd338b0c5", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/sunrpc/xprtrdma/verbs.c"], "versions": [{"version": "5.16", "status": "affected"}, {"version": "0", "lessThan": "5.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "5.16", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3b252fe1778b2cdd68283146455929801bc2abd7"}, {"url": "https://git.kernel.org/stable/c/dd798b76a3481e392820c3ae86ed4592858c6b0f"}, {"url": "https://git.kernel.org/stable/c/6b7be4f3feae322f1c2c40a3bdc99db93574a49e"}, {"url": "https://git.kernel.org/stable/c/7471e66373a4444a57ef2192f8c4081202c54f45"}, {"url": "https://git.kernel.org/stable/c/ef3b79edf14b6bfb0d21a26ccb0463f9cf82c6a9"}, {"url": "https://git.kernel.org/stable/c/0f13fc7c7d2e0427517e63c739277a4cd338b0c5"}], "title": "xprtrdma: Check frwr_wp_create() during connect", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/sunrpc/xprtrdma/verbs.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "3b252fe1778b2cdd68283146455929801bc2abd7", "status": "affected", "version": "21037b8c2258ec40de3b31be9ced43ceb3b784f7", "versionType": "git"}, {"lessThan": "dd798b76a3481e392820c3ae86ed4592858c6b0f", "status": "affected", "version": "21037b8c2258ec40de3b31be9ced43ceb3b784f7", "versionType": "git"}, {"lessThan": "6b7be4f3feae322f1c2c40a3bdc99db93574a49e", "status": "affected", "version": "21037b8c2258ec40de3b31be9ced43ceb3b784f7", "versionType": "git"}, {"lessThan": "7471e66373a4444a57ef2192f8c4081202c54f45", "status": "affected", "version": "21037b8c2258ec40de3b31be9ced43ceb3b784f7", "versionType": "git"}, {"lessThan": "ef3b79edf14b6bfb0d21a26ccb0463f9cf82c6a9", "status": "affected", "version": "21037b8c2258ec40de3b31be9ced43ceb3b784f7", "versionType": "git"}, {"lessThan": "0f13fc7c7d2e0427517e63c739277a4cd338b0c5", "status": "affected", "version": "21037b8c2258ec40de3b31be9ced43ceb3b784f7", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/sunrpc/xprtrdma/verbs.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.16"}, {"lessThan": "5.16", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.178", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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\nxprtrdma: Check frwr_wp_create() during connect\n\nfrwr_wp_create() creates the singleton Memory Region used to encode\npadding for Write chunks whose payload length is not XDR-aligned. Its\nfailure paths return a negative errno and leave ep->re_write_pad_mr set\nto NULL.\n\nrpcrdma_xprt_connect() currently ignores that return value. If\nfrwr_wp_create() fails after the rest of the connection setup succeeds,\nxprt_rdma_connect_worker() treats the connection attempt as successful\nand sets XPRT_CONNECTED. A later NFS/RDMA read with a non-4-byte-aligned\nreceive page length reaches rpcrdma_encode_write_list(), passes the NULL\nwrite-pad MR to encode_rdma_segment(), and dereferences it.\n\nThis is locally triggerable on an NFS/RDMA client after a connect or\nreconnect hits a local MR allocation, DMA-map, MR-map, or post-send\nfailure; a remote peer alone cannot force the local MR setup failure.\n\nCheck the return value and fail the connect as -ENOTCONN, matching the\nadjacent setup failures. This keeps XPRT_CONNECTED clear and lets the\nnormal reconnect path retry."}], "id": "CVE-2026-72467", "lastModified": "2026-08-17T06:19:14.580", "metrics": {}, "published": "2026-08-15T06:22:20.770", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0f13fc7c7d2e0427517e63c739277a4cd338b0c5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3b252fe1778b2cdd68283146455929801bc2abd7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6b7be4f3feae322f1c2c40a3bdc99db93574a49e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7471e66373a4444a57ef2192f8c4081202c54f45"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dd798b76a3481e392820c3ae86ed4592858c6b0f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ef3b79edf14b6bfb0d21a26ccb0463f9cf82c6a9"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: xprtrdma: Check frwr_wp_create() during connect", "id": "2516720", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516720"}, "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"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nxprtrdma: Check frwr_wp_create() during connect\nfrwr_wp_create() creates the singleton Memory Region used to encode\npadding for Write chunks whose payload length is not XDR-aligned. Its\nfailure paths return a negative errno and leave ep->re_write_pad_mr set\nto NULL.\nrpcrdma_xprt_connect() currently ignores that return value. If\nfrwr_wp_create() fails after the rest of the connection setup succeeds,\nxprt_rdma_connect_worker() treats the connection attempt as successful\nand sets XPRT_CONNECTED. A later NFS/RDMA read with a non-4-byte-aligned\nreceive page length reaches rpcrdma_encode_write_list(), passes the NULL\nwrite-pad MR to encode_rdma_segment(), and dereferences it.\nThis is locally triggerable on an NFS/RDMA client after a connect or\nreconnect hits a local MR allocation, DMA-map, MR-map, or post-send\nfailure; a remote peer alone cannot force the local MR setup failure.\nCheck the return value and fail the connect as -ENOTCONN, matching the\nadjacent setup failures. This keeps XPRT_CONNECTED clear and lets the\nnormal reconnect path retry.", "A flaw was found in the Linux kernel's xprtrdma module. The system fails to properly check the return value of frwr_wp_create(), which is responsible for creating a Memory Region. If this creation fails, a subsequent Network File System (NFS) over Remote Direct Memory Access (RDMA) read operation with an unaligned receive page length can lead to a NULL pointer dereference. This can result in a system crash, causing a denial of service, and is locally triggerable on an NFS/RDMA client."], "name": "CVE-2026-72467", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72467\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72467\nhttps://lore.kernel.org/linux-cve-announce/2026081534-CVE-2026-72467-cca8@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[21037b8c2258ec40de3b31be9ced43ceb3b784f7,3b252fe1778b2cdd68283146455929801bc2abd7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[21037b8c2258ec40de3b31be9ced43ceb3b784f7,dd798b76a3481e392820c3ae86ed4592858c6b0f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[21037b8c2258ec40de3b31be9ced43ceb3b784f7,6b7be4f3feae322f1c2c40a3bdc99db93574a49e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[21037b8c2258ec40de3b31be9ced43ceb3b784f7,7471e66373a4444a57ef2192f8c4081202c54f45)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[21037b8c2258ec40de3b31be9ced43ceb3b784f7,ef3b79edf14b6bfb0d21a26ccb0463f9cf82c6a9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[21037b8c2258ec40de3b31be9ced43ceb3b784f7,0f13fc7c7d2e0427517e63c739277a4cd338b0c5)"}}], "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": "5.16"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.16)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.178,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.145,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.97,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2-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": "2026-08-15T18:45:03.370181+00:00", "updated": "2026-08-22T03:15:04.373188+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}