CVE-2026-72468

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72468", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.933Z", "datePublished": "2026-08-15T05:57:11.171Z", "dateUpdated": "2026-08-17T05:15:13.672Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:15:13.672Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxprtrdma: Initialize re_id before removal registration\n\nrpcrdma_create_id() registers ep->re_rn with the rpcrdma ib_client\nbefore returning the new rdma_cm_id to rpcrdma_ep_create(). However\nrpcrdma_ep_create() currently stores that pointer in ep->re_id only\nafter rpcrdma_create_id() returns.\n\nA local administrator can race an NFS/RDMA mount against RDMA device\nremoval. If rpcrdma_remove_one() observes the just-registered\nnotification before rpcrdma_ep_create() assigns ep->re_id,\nrpcrdma_ep_removal_done() calls trace_xprtrdma_device_removal(NULL).\nThe tracepoint dereferences id->device->name and copies\nid->route.addr.dst_addr, so the callback can crash the kernel with a\nNULL pointer dereference.\n\nStore the rdma_cm_id in ep->re_id immediately before publishing\nep->re_rn. The existing error path still destroys the id directly if\nregistration fails; ep is then freed by the caller without using\nep->re_id. Remove the later duplicate assignment in rpcrdma_ep_create()."}], "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": "3f4eb9ff923413cdb4c7e171c06d3564f6286712", "lessThan": "51248d877bbc6e604e38aeaf776c2781cb4f0dbd", "status": "affected", "versionType": "git"}, {"version": "3f4eb9ff923413cdb4c7e171c06d3564f6286712", "lessThan": "28743571c17b58c21a7216fc9faaf8028df5869b", "status": "affected", "versionType": "git"}, {"version": "3f4eb9ff923413cdb4c7e171c06d3564f6286712", "lessThan": "264ccd7871915749bee55fe0c39467a7f08d5479", "status": "affected", "versionType": "git"}, {"version": "3f4eb9ff923413cdb4c7e171c06d3564f6286712", "lessThan": "bb7caa63e1db22fd03e8dc591b12169e99169dff", "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": "6.11", "status": "affected"}, {"version": "0", "lessThan": "6.11", "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": "6.11", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/51248d877bbc6e604e38aeaf776c2781cb4f0dbd"}, {"url": "https://git.kernel.org/stable/c/28743571c17b58c21a7216fc9faaf8028df5869b"}, {"url": "https://git.kernel.org/stable/c/264ccd7871915749bee55fe0c39467a7f08d5479"}, {"url": "https://git.kernel.org/stable/c/bb7caa63e1db22fd03e8dc591b12169e99169dff"}], "title": "xprtrdma: Initialize re_id before removal registration", "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": "51248d877bbc6e604e38aeaf776c2781cb4f0dbd", "status": "affected", "version": "3f4eb9ff923413cdb4c7e171c06d3564f6286712", "versionType": "git"}, {"lessThan": "28743571c17b58c21a7216fc9faaf8028df5869b", "status": "affected", "version": "3f4eb9ff923413cdb4c7e171c06d3564f6286712", "versionType": "git"}, {"lessThan": "264ccd7871915749bee55fe0c39467a7f08d5479", "status": "affected", "version": "3f4eb9ff923413cdb4c7e171c06d3564f6286712", "versionType": "git"}, {"lessThan": "bb7caa63e1db22fd03e8dc591b12169e99169dff", "status": "affected", "version": "3f4eb9ff923413cdb4c7e171c06d3564f6286712", "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": "6.11"}, {"lessThan": "6.11", "status": "unaffected", "version": "0", "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: Initialize re_id before removal registration\n\nrpcrdma_create_id() registers ep->re_rn with the rpcrdma ib_client\nbefore returning the new rdma_cm_id to rpcrdma_ep_create(). However\nrpcrdma_ep_create() currently stores that pointer in ep->re_id only\nafter rpcrdma_create_id() returns.\n\nA local administrator can race an NFS/RDMA mount against RDMA device\nremoval. If rpcrdma_remove_one() observes the just-registered\nnotification before rpcrdma_ep_create() assigns ep->re_id,\nrpcrdma_ep_removal_done() calls trace_xprtrdma_device_removal(NULL).\nThe tracepoint dereferences id->device->name and copies\nid->route.addr.dst_addr, so the callback can crash the kernel with a\nNULL pointer dereference.\n\nStore the rdma_cm_id in ep->re_id immediately before publishing\nep->re_rn. The existing error path still destroys the id directly if\nregistration fails; ep is then freed by the caller without using\nep->re_id. Remove the later duplicate assignment in rpcrdma_ep_create()."}], "id": "CVE-2026-72468", "lastModified": "2026-08-17T06:19:14.683", "metrics": {}, "published": "2026-08-15T06:22:20.877", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/264ccd7871915749bee55fe0c39467a7f08d5479"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/28743571c17b58c21a7216fc9faaf8028df5869b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/51248d877bbc6e604e38aeaf776c2781cb4f0dbd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bb7caa63e1db22fd03e8dc591b12169e99169dff"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: xprtrdma: Initialize re_id before removal registration", "id": "2516522", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516522"}, "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: Initialize re_id before removal registration\nrpcrdma_create_id() registers ep->re_rn with the rpcrdma ib_client\nbefore returning the new rdma_cm_id to rpcrdma_ep_create(). However\nrpcrdma_ep_create() currently stores that pointer in ep->re_id only\nafter rpcrdma_create_id() returns.\nA local administrator can race an NFS/RDMA mount against RDMA device\nremoval. If rpcrdma_remove_one() observes the just-registered\nnotification before rpcrdma_ep_create() assigns ep->re_id,\nrpcrdma_ep_removal_done() calls trace_xprtrdma_device_removal(NULL).\nThe tracepoint dereferences id->device->name and copies\nid->route.addr.dst_addr, so the callback can crash the kernel with a\nNULL pointer dereference.\nStore the rdma_cm_id in ep->re_id immediately before publishing\nep->re_rn. The existing error path still destroys the id directly if\nregistration fails; ep is then freed by the caller without using\nep->re_id. Remove the later duplicate assignment in rpcrdma_ep_create().", "A flaw was found in the Linux kernel's xprtrdma component. A local administrator can exploit a race condition during an NFS/RDMA mount operation against RDMA device removal. This can lead to a null pointer dereference, causing the kernel to crash and resulting in a Denial of Service (DoS)."], "name": "CVE-2026-72468", "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": "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": "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-2026-72468\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72468\nhttps://lore.kernel.org/linux-cve-announce/2026081534-CVE-2026-72468-37e1@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3f4eb9ff923413cdb4c7e171c06d3564f6286712,51248d877bbc6e604e38aeaf776c2781cb4f0dbd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3f4eb9ff923413cdb4c7e171c06d3564f6286712,28743571c17b58c21a7216fc9faaf8028df5869b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3f4eb9ff923413cdb4c7e171c06d3564f6286712,264ccd7871915749bee55fe0c39467a7f08d5479)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3f4eb9ff923413cdb4c7e171c06d3564f6286712,bb7caa63e1db22fd03e8dc591b12169e99169dff)"}}], "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": "6.11"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.11)"}}, {"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": "generic", "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": "2026-08-15T17:45:03.069839+00:00", "updated": "2026-08-22T06:30:04.526584+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}