{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90415", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.813Z", "datePublished": "2026-09-17T16:09:40.714Z", "dateUpdated": "2026-10-19T09:03:19.452Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:03:19.452Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/cxgb4: free STAG index when TPT entry write fails\n\nwrite_tpt_entry() allocates a new STAG index with c4iw_get_resource() and\nbumps stats.stag.cur before programming the entry. When\nwrite_adapter_mem() fails, it returns the error without releasing the index\nor reversing the statistic. No MR is inserted into rhp->mrs, so\nderegistration never reclaims it, leaking the index until device teardown.\n\nRecord whether this call allocated the index and, on a failed write, return\nit to tpt_table and decrement stats.stag.cur. Key the rollback on both the\nwrite error and that flag, not the error alone: a non-reset update carries\na caller-owned STAG that this call did not allocate and must not free."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/cxgb4/mem.c"], "versions": [{"version": "ec3eead217181d7360a11317a888ceb30807867c", "lessThan": "5fe4731bfbd8d83c4a14b4af3a27329969ce8a99", "status": "affected", "versionType": "git"}, {"version": "ec3eead217181d7360a11317a888ceb30807867c", "lessThan": "8f6976d635d190e3d7af7103daaa581cf1ccc12e", "status": "affected", "versionType": "git"}, {"version": "ec3eead217181d7360a11317a888ceb30807867c", "lessThan": "9eeafcda1d6c11f0eec532243c4e96ec8c632bd7", "status": "affected", "versionType": "git"}, {"version": "ec3eead217181d7360a11317a888ceb30807867c", "lessThan": "5a21e5114cec4cd3f8a2843d4c46bc49634d6e96", "status": "affected", "versionType": "git"}, {"version": "ec3eead217181d7360a11317a888ceb30807867c", "lessThan": "2f17ca7ab5269ac2504e1039c3921373dccd7712", "status": "affected", "versionType": "git"}, {"version": "ec3eead217181d7360a11317a888ceb30807867c", "lessThan": "a2e37d1ab773be3cd26b1c19593ca2dbcece9c57", "status": "affected", "versionType": "git"}, {"version": "ec3eead217181d7360a11317a888ceb30807867c", "lessThan": "a64e2beb450179a5d43034af8d5476a11eac1486", "status": "affected", "versionType": "git"}, {"version": "ec3eead217181d7360a11317a888ceb30807867c", "lessThan": "fdfb5cea4bf070cdb31d997efd87bb684df041fd", "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/cxgb4/mem.c"], "versions": [{"version": "3.5", "status": "affected"}, {"version": "0", "lessThan": "3.5", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.270", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.221", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.188", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.157", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.110", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.52", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "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": "3.5", "versionEndExcluding": "5.10.270"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5", "versionEndExcluding": "5.15.221"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5", "versionEndExcluding": "6.1.188"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5", "versionEndExcluding": "6.6.157"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5fe4731bfbd8d83c4a14b4af3a27329969ce8a99"}, {"url": "https://git.kernel.org/stable/c/8f6976d635d190e3d7af7103daaa581cf1ccc12e"}, {"url": "https://git.kernel.org/stable/c/9eeafcda1d6c11f0eec532243c4e96ec8c632bd7"}, {"url": "https://git.kernel.org/stable/c/5a21e5114cec4cd3f8a2843d4c46bc49634d6e96"}, {"url": "https://git.kernel.org/stable/c/2f17ca7ab5269ac2504e1039c3921373dccd7712"}, {"url": "https://git.kernel.org/stable/c/a2e37d1ab773be3cd26b1c19593ca2dbcece9c57"}, {"url": "https://git.kernel.org/stable/c/a64e2beb450179a5d43034af8d5476a11eac1486"}, {"url": "https://git.kernel.org/stable/c/fdfb5cea4bf070cdb31d997efd87bb684df041fd"}], "title": "RDMA/cxgb4: free STAG index when TPT entry write fails", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/infiniband/hw/cxgb4/mem.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "5fe4731bfbd8d83c4a14b4af3a27329969ce8a99", "status": "affected", "version": "ec3eead217181d7360a11317a888ceb30807867c", "versionType": "git"}, {"lessThan": "8f6976d635d190e3d7af7103daaa581cf1ccc12e", "status": "affected", "version": "ec3eead217181d7360a11317a888ceb30807867c", "versionType": "git"}, {"lessThan": "9eeafcda1d6c11f0eec532243c4e96ec8c632bd7", "status": "affected", "version": "ec3eead217181d7360a11317a888ceb30807867c", "versionType": "git"}, {"lessThan": "5a21e5114cec4cd3f8a2843d4c46bc49634d6e96", "status": "affected", "version": "ec3eead217181d7360a11317a888ceb30807867c", "versionType": "git"}, {"lessThan": "2f17ca7ab5269ac2504e1039c3921373dccd7712", "status": "affected", "version": "ec3eead217181d7360a11317a888ceb30807867c", "versionType": "git"}, {"lessThan": "a2e37d1ab773be3cd26b1c19593ca2dbcece9c57", "status": "affected", "version": "ec3eead217181d7360a11317a888ceb30807867c", "versionType": "git"}, {"lessThan": "a64e2beb450179a5d43034af8d5476a11eac1486", "status": "affected", "version": "ec3eead217181d7360a11317a888ceb30807867c", "versionType": "git"}, {"lessThan": "fdfb5cea4bf070cdb31d997efd87bb684df041fd", "status": "affected", "version": "ec3eead217181d7360a11317a888ceb30807867c", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/infiniband/hw/cxgb4/mem.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.5"}, {"lessThan": "3.5", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.270", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.221", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.188", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.157", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.110", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.52", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "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/cxgb4: free STAG index when TPT entry write fails\n\nwrite_tpt_entry() allocates a new STAG index with c4iw_get_resource() and\nbumps stats.stag.cur before programming the entry. When\nwrite_adapter_mem() fails, it returns the error without releasing the index\nor reversing the statistic. No MR is inserted into rhp->mrs, so\nderegistration never reclaims it, leaking the index until device teardown.\n\nRecord whether this call allocated the index and, on a failed write, return\nit to tpt_table and decrement stats.stag.cur. Key the rollback on both the\nwrite error and that flag, not the error alone: a non-reset update carries\na caller-owned STAG that this call did not allocate and must not free."}], "id": "CVE-2026-90415", "lastModified": "2026-10-19T09:19:35.813", "metrics": {}, "published": "2026-09-17T17:17:45.647", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2f17ca7ab5269ac2504e1039c3921373dccd7712"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5a21e5114cec4cd3f8a2843d4c46bc49634d6e96"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5fe4731bfbd8d83c4a14b4af3a27329969ce8a99"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8f6976d635d190e3d7af7103daaa581cf1ccc12e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9eeafcda1d6c11f0eec532243c4e96ec8c632bd7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a2e37d1ab773be3cd26b1c19593ca2dbcece9c57"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a64e2beb450179a5d43034af8d5476a11eac1486"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fdfb5cea4bf070cdb31d997efd87bb684df041fd"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}