CVE-2026-98352

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98352", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.343Z", "datePublished": "2026-10-06T08:46:40.151Z", "dateUpdated": "2026-10-19T09:18:03.073Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:18:03.073Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rtrs-clt: Fix CQ pool leak when connect is interrupted\n\nThe client borrows shared CQ credits in the ADDR_RESOLVED handler via\nib_cq_pool_get(), before the peer is connected. create_cm() can return\n-ERESTARTSYS from wait_event_interruptible_timeout() without destroying\nthe CM ID. The init_conns() and stop-and-destroy paths then call\ndestroy_con_cq_qp() while cq is still NULL (no PUT) and only afterwards\nrdma_destroy_id().\n\nCMA serializes the handler against rdma_destroy_id() with handler_mutex,\nbut that does not order the GET against destroy_con_cq_qp(). If\nADDR_RESOLVED has already passed the DESTROYING check, it can take\ncon_mutex, GET credits, and then lose the con to kfree. Device\nunregister later hits WARN_ON(cq->cqe_used) in ib_cq_pool_cleanup().\n\nSet a per-connection flag under con_mutex before CQ/QP teardown so a\nracing ADDR_RESOLVED cannot borrow credits after teardown has begun."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/ulp/rtrs/rtrs-clt.c", "drivers/infiniband/ulp/rtrs/rtrs-clt.h"], "versions": [{"version": "3b89e92c2a95a39c38a3808f4528e502a39bd94d", "lessThan": "a82cca40139d9fcae8208901856bd5bb4051f097", "status": "affected", "versionType": "git"}, {"version": "3b89e92c2a95a39c38a3808f4528e502a39bd94d", "lessThan": "74c4ed55e61f1b65ddbebc5b635d136461a1c3da", "status": "affected", "versionType": "git"}, {"version": "3b89e92c2a95a39c38a3808f4528e502a39bd94d", "lessThan": "6f8020fe7465f49e234a576c04e415e9d08c7878", "status": "affected", "versionType": "git"}, {"version": "3b89e92c2a95a39c38a3808f4528e502a39bd94d", "lessThan": "31024e158b45358370a0a14ed96589e6aa62d6cb", "status": "affected", "versionType": "git"}, {"version": "3b89e92c2a95a39c38a3808f4528e502a39bd94d", "lessThan": "8f253d5893f991742464b9e7203c43fc08d0aa11", "status": "affected", "versionType": "git"}, {"version": "3b89e92c2a95a39c38a3808f4528e502a39bd94d", "lessThan": "bf88ac4867050112a6c819c8d1a7209bf48ef427", "status": "affected", "versionType": "git"}, {"version": "3b89e92c2a95a39c38a3808f4528e502a39bd94d", "lessThan": "2ae16aaa78b5edc6e6d0904c84fd9cdfb762bcda", "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/infiniband/ulp/rtrs/rtrs-clt.c", "drivers/infiniband/ulp/rtrs/rtrs-clt.h"], "versions": [{"version": "5.13", "status": "affected"}, {"version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.222", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.189", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.158", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.112", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.54", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.8", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "5.13", "versionEndExcluding": "5.15.222"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.1.189"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.6.158"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.12.112"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.18.54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "7.2.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a82cca40139d9fcae8208901856bd5bb4051f097"}, {"url": "https://git.kernel.org/stable/c/74c4ed55e61f1b65ddbebc5b635d136461a1c3da"}, {"url": "https://git.kernel.org/stable/c/6f8020fe7465f49e234a576c04e415e9d08c7878"}, {"url": "https://git.kernel.org/stable/c/31024e158b45358370a0a14ed96589e6aa62d6cb"}, {"url": "https://git.kernel.org/stable/c/8f253d5893f991742464b9e7203c43fc08d0aa11"}, {"url": "https://git.kernel.org/stable/c/bf88ac4867050112a6c819c8d1a7209bf48ef427"}, {"url": "https://git.kernel.org/stable/c/2ae16aaa78b5edc6e6d0904c84fd9cdfb762bcda"}], "title": "RDMA/rtrs-clt: Fix CQ pool leak when connect is interrupted", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/infiniband/ulp/rtrs/rtrs-clt.c", "drivers/infiniband/ulp/rtrs/rtrs-clt.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "a82cca40139d9fcae8208901856bd5bb4051f097", "status": "affected", "version": "3b89e92c2a95a39c38a3808f4528e502a39bd94d", "versionType": "git"}, {"lessThan": "74c4ed55e61f1b65ddbebc5b635d136461a1c3da", "status": "affected", "version": "3b89e92c2a95a39c38a3808f4528e502a39bd94d", "versionType": "git"}, {"lessThan": "6f8020fe7465f49e234a576c04e415e9d08c7878", "status": "affected", "version": "3b89e92c2a95a39c38a3808f4528e502a39bd94d", "versionType": "git"}, {"lessThan": "31024e158b45358370a0a14ed96589e6aa62d6cb", "status": "affected", "version": "3b89e92c2a95a39c38a3808f4528e502a39bd94d", "versionType": "git"}, {"lessThan": "8f253d5893f991742464b9e7203c43fc08d0aa11", "status": "affected", "version": "3b89e92c2a95a39c38a3808f4528e502a39bd94d", "versionType": "git"}, {"lessThan": "bf88ac4867050112a6c819c8d1a7209bf48ef427", "status": "affected", "version": "3b89e92c2a95a39c38a3808f4528e502a39bd94d", "versionType": "git"}, {"lessThan": "2ae16aaa78b5edc6e6d0904c84fd9cdfb762bcda", "status": "affected", "version": "3b89e92c2a95a39c38a3808f4528e502a39bd94d", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/infiniband/ulp/rtrs/rtrs-clt.c", "drivers/infiniband/ulp/rtrs/rtrs-clt.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.13"}, {"lessThan": "5.13", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.222", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.189", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.158", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.112", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.54", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.8", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "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\nRDMA/rtrs-clt: Fix CQ pool leak when connect is interrupted\n\nThe client borrows shared CQ credits in the ADDR_RESOLVED handler via\nib_cq_pool_get(), before the peer is connected. create_cm() can return\n-ERESTARTSYS from wait_event_interruptible_timeout() without destroying\nthe CM ID. The init_conns() and stop-and-destroy paths then call\ndestroy_con_cq_qp() while cq is still NULL (no PUT) and only afterwards\nrdma_destroy_id().\n\nCMA serializes the handler against rdma_destroy_id() with handler_mutex,\nbut that does not order the GET against destroy_con_cq_qp(). If\nADDR_RESOLVED has already passed the DESTROYING check, it can take\ncon_mutex, GET credits, and then lose the con to kfree. Device\nunregister later hits WARN_ON(cq->cqe_used) in ib_cq_pool_cleanup().\n\nSet a per-connection flag under con_mutex before CQ/QP teardown so a\nracing ADDR_RESOLVED cannot borrow credits after teardown has begun."}], "id": "CVE-2026-98352", "lastModified": "2026-10-19T10:18:37.897", "metrics": {}, "published": "2026-10-06T09:18:28.587", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2ae16aaa78b5edc6e6d0904c84fd9cdfb762bcda"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/31024e158b45358370a0a14ed96589e6aa62d6cb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6f8020fe7465f49e234a576c04e415e9d08c7878"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/74c4ed55e61f1b65ddbebc5b635d136461a1c3da"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8f253d5893f991742464b9e7203c43fc08d0aa11"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a82cca40139d9fcae8208901856bd5bb4051f097"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bf88ac4867050112a6c819c8d1a7209bf48ef427"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: RDMA/rtrs-clt: Fix CQ pool leak when connect is interrupted", "id": "2546432", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2546432"}, "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-772", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nRDMA/rtrs-clt: Fix CQ pool leak when connect is interrupted\nThe client borrows shared CQ credits in the ADDR_RESOLVED handler via\nib_cq_pool_get(), before the peer is connected. create_cm() can return\n-ERESTARTSYS from wait_event_interruptible_timeout() without destroying\nthe CM ID. The init_conns() and stop-and-destroy paths then call\ndestroy_con_cq_qp() while cq is still NULL (no PUT) and only afterwards\nrdma_destroy_id().\nCMA serializes the handler against rdma_destroy_id() with handler_mutex,\nbut that does not order the GET against destroy_con_cq_qp(). If\nADDR_RESOLVED has already passed the DESTROYING check, it can take\ncon_mutex, GET credits, and then lose the con to kfree. Device\nunregister later hits WARN_ON(cq->cqe_used) in ib_cq_pool_cleanup().\nSet a per-connection flag under con_mutex before CQ/QP teardown so a\nracing ADDR_RESOLVED cannot borrow credits after teardown has begun.", "A flaw was found in the Linux kernel's Remote Direct Memory Access (RDMA) Transport client driver. A race condition occurs when a connection setup attempt is interrupted during teardown, causing shared Completion Queue (CQ) resources to be retained without being released. This flaw may allow an attacker to cause a resource leak, potentially resulting in a Denial of Service (DoS) or kernel instability during device cleanup."], "name": "CVE-2026-98352", "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"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98352\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98352\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98352.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3b89e92c2a95a39c38a3808f4528e502a39bd94d,a82cca40139d9fcae8208901856bd5bb4051f097)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3b89e92c2a95a39c38a3808f4528e502a39bd94d,74c4ed55e61f1b65ddbebc5b635d136461a1c3da)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3b89e92c2a95a39c38a3808f4528e502a39bd94d,6f8020fe7465f49e234a576c04e415e9d08c7878)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3b89e92c2a95a39c38a3808f4528e502a39bd94d,31024e158b45358370a0a14ed96589e6aa62d6cb)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3b89e92c2a95a39c38a3808f4528e502a39bd94d,8f253d5893f991742464b9e7203c43fc08d0aa11)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3b89e92c2a95a39c38a3808f4528e502a39bd94d,bf88ac4867050112a6c819c8d1a7209bf48ef427)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3b89e92c2a95a39c38a3808f4528e502a39bd94d,2ae16aaa78b5edc6e6d0904c84fd9cdfb762bcda)"}}], "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": "5.13"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.13)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.15.222,5.15.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.189,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.158,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.112,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.54,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2.8,7.2.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc4,*]"}}], "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": "2026-10-06T14:30:07.737439+00:00", "updated": "2026-10-11T04:30:17.122028+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-772"]}