{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46126", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.099Z", "datePublished": "2026-05-28T09:35:41.364Z", "dateUpdated": "2026-05-28T09:35:41.364Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-28T09:35:41.364Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/mana: Fix mana_destroy_wq_obj() cleanup in mana_ib_create_qp_rss()\n\nSashiko points out there are two bugs here in the error unwind flow, both\nrelated to how the WQ table is unwound.\n\nFirst there is a double i-- on the first failure path due to the while loop\nhaving a i--, remove it.\n\nSecond if mana_ib_install_cq_cb() fails then mana_create_wq_obj() is not\nundone due to the above i--."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/mana/qp.c"], "versions": [{"version": "c15d7802a42402a87880a17eee89ff023e49ecc0", "lessThan": "8f23eb6c50f1a4bf32fc4d62cfb9fc39e8e586cf", "status": "affected", "versionType": "git"}, {"version": "c15d7802a42402a87880a17eee89ff023e49ecc0", "lessThan": "bb9cb36eaefa4dcb7c0d9f7a01e5c739abdd53a8", "status": "affected", "versionType": "git"}, {"version": "c15d7802a42402a87880a17eee89ff023e49ecc0", "lessThan": "9a05a6798177e44dfbe18393be2c1ebb89ab06fd", "status": "affected", "versionType": "git"}, {"version": "c15d7802a42402a87880a17eee89ff023e49ecc0", "lessThan": "34ecf795692ee57c393109f4a24ccc313091e137", "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/hw/mana/qp.c"], "versions": [{"version": "6.8", "status": "affected"}, {"version": "0", "lessThan": "6.8", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.88", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.30", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.7", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1-rc3", "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": "6.8", "versionEndExcluding": "6.12.88"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.18.30"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "7.0.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "7.1-rc3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/8f23eb6c50f1a4bf32fc4d62cfb9fc39e8e586cf"}, {"url": "https://git.kernel.org/stable/c/bb9cb36eaefa4dcb7c0d9f7a01e5c739abdd53a8"}, {"url": "https://git.kernel.org/stable/c/9a05a6798177e44dfbe18393be2c1ebb89ab06fd"}, {"url": "https://git.kernel.org/stable/c/34ecf795692ee57c393109f4a24ccc313091e137"}], "title": "RDMA/mana: Fix mana_destroy_wq_obj() cleanup in mana_ib_create_qp_rss()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/mana: Fix mana_destroy_wq_obj() cleanup in mana_ib_create_qp_rss()\n\nSashiko points out there are two bugs here in the error unwind flow, both\nrelated to how the WQ table is unwound.\n\nFirst there is a double i-- on the first failure path due to the while loop\nhaving a i--, remove it.\n\nSecond if mana_ib_install_cq_cb() fails then mana_create_wq_obj() is not\nundone due to the above i--."}], "id": "CVE-2026-46126", "lastModified": "2026-05-28T13:44:01.663", "metrics": {}, "published": "2026-05-28T10:16:28.140", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/34ecf795692ee57c393109f4a24ccc313091e137"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8f23eb6c50f1a4bf32fc4d62cfb9fc39e8e586cf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9a05a6798177e44dfbe18393be2c1ebb89ab06fd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bb9cb36eaefa4dcb7c0d9f7a01e5c739abdd53a8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: RDMA/mana: Fix mana_destroy_wq_obj() cleanup in mana_ib_create_qp_rss()", "id": "2482619", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482619"}, "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-459", "details": ["A flaw was found in the Linux kernel's RDMA/mana component. This issue occurs during the error unwind flow in the `mana_ib_create_qp_rss()` function, specifically related to the Work Queue (WQ) table cleanup. Incorrect handling of the cleanup process, including a double decrement and an undone operation, could lead to improper resource management. This may result in system instability or a denial of service (DoS)."], "name": "CVE-2026-46126", "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": "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": "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": "2026-05-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-46126\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-46126\nhttps://lore.kernel.org/linux-cve-announce/2026052816-CVE-2026-46126-2575@gregkh/T"], "threat_severity": "Low"}