{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-21805", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-29T08:45:45.771Z", "datePublished": "2025-02-27T20:00:58.290Z", "dateUpdated": "2026-05-11T21:06:52.517Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:06:52.517Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rtrs: Add missing deinit() call\n\nA warning is triggered when repeatedly connecting and disconnecting the\nrnbd:\n list_add corruption. prev->next should be next (ffff88800b13e480), but was ffff88801ecd1338. (prev=ffff88801ecd1340).\n WARNING: CPU: 1 PID: 36562 at lib/list_debug.c:32 __list_add_valid_or_report+0x7f/0xa0\n Workqueue: ib_cm cm_work_handler [ib_cm]\n RIP: 0010:__list_add_valid_or_report+0x7f/0xa0\n ? __list_add_valid_or_report+0x7f/0xa0\n ib_register_event_handler+0x65/0x93 [ib_core]\n rtrs_srv_ib_dev_init+0x29/0x30 [rtrs_server]\n rtrs_ib_dev_find_or_add+0x124/0x1d0 [rtrs_core]\n __alloc_path+0x46c/0x680 [rtrs_server]\n ? rtrs_rdma_connect+0xa6/0x2d0 [rtrs_server]\n ? rcu_is_watching+0xd/0x40\n ? __mutex_lock+0x312/0xcf0\n ? get_or_create_srv+0xad/0x310 [rtrs_server]\n ? rtrs_rdma_connect+0xa6/0x2d0 [rtrs_server]\n rtrs_rdma_connect+0x23c/0x2d0 [rtrs_server]\n ? __lock_release+0x1b1/0x2d0\n cma_cm_event_handler+0x4a/0x1a0 [rdma_cm]\n cma_ib_req_handler+0x3a0/0x7e0 [rdma_cm]\n cm_process_work+0x28/0x1a0 [ib_cm]\n ? _raw_spin_unlock_irq+0x2f/0x50\n cm_req_handler+0x618/0xa60 [ib_cm]\n cm_work_handler+0x71/0x520 [ib_cm]\n\nCommit 667db86bcbe8 (\"RDMA/rtrs: Register ib event handler\") introduced a\nnew element .deinit but never used it at all. Fix it by invoking the\n`deinit()` to appropriately unregister the IB event handler."}], "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.c"], "versions": [{"version": "667db86bcbe82e789d82c2e8c8c40756ec2e1999", "lessThan": "5a79cc9bc961fafe90787f86e8f53ba6fad8d63b", "status": "affected", "versionType": "git"}, {"version": "667db86bcbe82e789d82c2e8c8c40756ec2e1999", "lessThan": "1af2c769032b6b334cd2a867d7d8c7cbbc527b2d", "status": "affected", "versionType": "git"}, {"version": "667db86bcbe82e789d82c2e8c8c40756ec2e1999", "lessThan": "81468c4058a62e84e475433b83b3edc613294f5e", "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.c"], "versions": [{"version": "6.12", "status": "affected"}, {"version": "0", "lessThan": "6.12", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.13", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13.2", "lessThanOrEqual": "6.13.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.14", "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": "6.12", "versionEndExcluding": "6.12.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.13.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.14"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5a79cc9bc961fafe90787f86e8f53ba6fad8d63b"}, {"url": "https://git.kernel.org/stable/c/1af2c769032b6b334cd2a867d7d8c7cbbc527b2d"}, {"url": "https://git.kernel.org/stable/c/81468c4058a62e84e475433b83b3edc613294f5e"}], "title": "RDMA/rtrs: Add missing deinit() call", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8507AA00-C52F-4231-94AC-4D0374F5A9F5", "versionEndExcluding": "6.12.13", "versionStartIncluding": "6.12", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6D4116B1-1BFD-4F23-BA84-169CC05FC5A3", "versionEndExcluding": "6.13.2", "versionStartIncluding": "6.13", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rtrs: Add missing deinit() call\n\nA warning is triggered when repeatedly connecting and disconnecting the\nrnbd:\n list_add corruption. prev->next should be next (ffff88800b13e480), but was ffff88801ecd1338. (prev=ffff88801ecd1340).\n WARNING: CPU: 1 PID: 36562 at lib/list_debug.c:32 __list_add_valid_or_report+0x7f/0xa0\n Workqueue: ib_cm cm_work_handler [ib_cm]\n RIP: 0010:__list_add_valid_or_report+0x7f/0xa0\n ? __list_add_valid_or_report+0x7f/0xa0\n ib_register_event_handler+0x65/0x93 [ib_core]\n rtrs_srv_ib_dev_init+0x29/0x30 [rtrs_server]\n rtrs_ib_dev_find_or_add+0x124/0x1d0 [rtrs_core]\n __alloc_path+0x46c/0x680 [rtrs_server]\n ? rtrs_rdma_connect+0xa6/0x2d0 [rtrs_server]\n ? rcu_is_watching+0xd/0x40\n ? __mutex_lock+0x312/0xcf0\n ? get_or_create_srv+0xad/0x310 [rtrs_server]\n ? rtrs_rdma_connect+0xa6/0x2d0 [rtrs_server]\n rtrs_rdma_connect+0x23c/0x2d0 [rtrs_server]\n ? __lock_release+0x1b1/0x2d0\n cma_cm_event_handler+0x4a/0x1a0 [rdma_cm]\n cma_ib_req_handler+0x3a0/0x7e0 [rdma_cm]\n cm_process_work+0x28/0x1a0 [ib_cm]\n ? _raw_spin_unlock_irq+0x2f/0x50\n cm_req_handler+0x618/0xa60 [ib_cm]\n cm_work_handler+0x71/0x520 [ib_cm]\n\nCommit 667db86bcbe8 (\"RDMA/rtrs: Register ib event handler\") introduced a\nnew element .deinit but never used it at all. Fix it by invoking the\n`deinit()` to appropriately unregister the IB event handler."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: RDMA/rtrs: Agregar llamada deinit() faltante Se activa una advertencia al conectar y desconectar repetidamente rnbd: corrupci\u00f3n de list_add. prev->next deber\u00eda ser next (ffff88800b13e480), pero era ffff88801ecd1338. (prev=ffff88801ecd1340). ADVERTENCIA: CPU: 1 PID: 36562 at lib/list_debug.c:32 __list_add_valid_or_report+0x7f/0xa0 Workqueue: ib_cm cm_work_handler [ib_cm] RIP: 0010:__list_add_valid_or_report+0x7f/0xa0 ? __list_add_valid_or_report+0x7f/0xa0 ib_register_event_handler+0x65/0x93 [ib_core] rtrs_srv_ib_dev_init+0x29/0x30 [rtrs_server] rtrs_ib_dev_find_or_add+0x124/0x1d0 [rtrs_core] __alloc_path+0x46c/0x680 [rtrs_server] ? rtrs_rdma_connect+0xa6/0x2d0 [rtrs_server] ? rcu_is_watching+0xd/0x40 ? __mutex_lock+0x312/0xcf0 ? get_or_create_srv+0xad/0x310 [rtrs_server] ? rtrs_rdma_connect+0xa6/0x2d0 [rtrs_server] rtrs_rdma_connect+0x23c/0x2d0 [rtrs_server] ? __lock_release+0x1b1/0x2d0 cma_cm_event_handler+0x4a/0x1a0 [rdma_cm] cma_ib_req_handler+0x3a0/0x7e0 [rdma_cm] cm_process_work+0x28/0x1a0 [ib_cm] ? _raw_spin_unlock_irq+0x2f/0x50 cm_req_handler+0x618/0xa60 [ib_cm] cm_work_handler+0x71/0x520 [ib_cm] Commit 667db86bcbe8 (\"RDMA/rtrs: Register ib event handler\") introdujo un nuevo elemento .deinit pero nunca lo us\u00f3. Arr\u00e9glelo invocando `deinit()` para anular el registro del controlador de eventos IB de manera adecuada."}], "id": "CVE-2025-21805", "lastModified": "2025-10-28T02:58:17.053", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-02-27T20:16:03.127", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1af2c769032b6b334cd2a867d7d8c7cbbc527b2d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5a79cc9bc961fafe90787f86e8f53ba6fad8d63b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/81468c4058a62e84e475433b83b3edc613294f5e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: RDMA/rtrs: Add missing deinit() call", "id": "2348895", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348895"}, "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:\nRDMA/rtrs: Add missing deinit() call\nA warning is triggered when repeatedly connecting and disconnecting the\nrnbd:\nlist_add corruption. prev->next should be next (ffff88800b13e480), but was ffff88801ecd1338. (prev=ffff88801ecd1340).\nWARNING: CPU: 1 PID: 36562 at lib/list_debug.c:32 __list_add_valid_or_report+0x7f/0xa0\nWorkqueue: ib_cm cm_work_handler [ib_cm]\nRIP: 0010:__list_add_valid_or_report+0x7f/0xa0\n? __list_add_valid_or_report+0x7f/0xa0\nib_register_event_handler+0x65/0x93 [ib_core]\nrtrs_srv_ib_dev_init+0x29/0x30 [rtrs_server]\nrtrs_ib_dev_find_or_add+0x124/0x1d0 [rtrs_core]\n__alloc_path+0x46c/0x680 [rtrs_server]\n? rtrs_rdma_connect+0xa6/0x2d0 [rtrs_server]\n? rcu_is_watching+0xd/0x40\n? __mutex_lock+0x312/0xcf0\n? get_or_create_srv+0xad/0x310 [rtrs_server]\n? rtrs_rdma_connect+0xa6/0x2d0 [rtrs_server]\nrtrs_rdma_connect+0x23c/0x2d0 [rtrs_server]\n? __lock_release+0x1b1/0x2d0\ncma_cm_event_handler+0x4a/0x1a0 [rdma_cm]\ncma_ib_req_handler+0x3a0/0x7e0 [rdma_cm]\ncm_process_work+0x28/0x1a0 [ib_cm]\n? _raw_spin_unlock_irq+0x2f/0x50\ncm_req_handler+0x618/0xa60 [ib_cm]\ncm_work_handler+0x71/0x520 [ib_cm]\nCommit 667db86bcbe8 (\"RDMA/rtrs: Register ib event handler\") introduced a\nnew element .deinit but never used it at all. Fix it by invoking the\n`deinit()` to appropriately unregister the IB event handler."], "name": "CVE-2025-21805", "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": "2025-02-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-21805\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21805\nhttps://lore.kernel.org/linux-cve-announce/2025022753-CVE-2025-21805-7256@gregkh/T"], "threat_severity": "Low"}

{}