{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46127", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.099Z", "datePublished": "2026-05-28T09:35:42.368Z", "dateUpdated": "2026-05-28T09:35:42.368Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-28T09:35:42.368Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/ocrdma: Don't NULL deref uctx on errors in ocrdma_copy_pd_uresp()\n\nSashiko points out that pd->uctx isn't initialized until late in the\nfunction so all these error flow references are NULL and will crash. Use\nthe uctx that isn't NULL."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/ocrdma/ocrdma_verbs.c"], "versions": [{"version": "fe2caefcdf5869f308c102e3d64d40683bfad711", "lessThan": "e01a957561f663d3b68d2fd233a4502e3367efcd", "status": "affected", "versionType": "git"}, {"version": "fe2caefcdf5869f308c102e3d64d40683bfad711", "lessThan": "75fc130664ae324e7b2f9ad3630e0f175e9ca6c8", "status": "affected", "versionType": "git"}, {"version": "fe2caefcdf5869f308c102e3d64d40683bfad711", "lessThan": "8832626a483439e207734e027afff322ccdf726e", "status": "affected", "versionType": "git"}, {"version": "fe2caefcdf5869f308c102e3d64d40683bfad711", "lessThan": "ec44c00a4fe1327efa35083f98b39c01cb535a51", "status": "affected", "versionType": "git"}, {"version": "fe2caefcdf5869f308c102e3d64d40683bfad711", "lessThan": "34fbf48cf3b410d2a6e8c586fa952a36331ca5ba", "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/ocrdma/ocrdma_verbs.c"], "versions": [{"version": "3.5", "status": "affected"}, {"version": "0", "lessThan": "3.5", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.140", "lessThanOrEqual": "6.6.*", "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": "3.5", "versionEndExcluding": "6.6.140"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5", "versionEndExcluding": "6.12.88"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5", "versionEndExcluding": "6.18.30"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5", "versionEndExcluding": "7.0.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5", "versionEndExcluding": "7.1-rc3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/e01a957561f663d3b68d2fd233a4502e3367efcd"}, {"url": "https://git.kernel.org/stable/c/75fc130664ae324e7b2f9ad3630e0f175e9ca6c8"}, {"url": "https://git.kernel.org/stable/c/8832626a483439e207734e027afff322ccdf726e"}, {"url": "https://git.kernel.org/stable/c/ec44c00a4fe1327efa35083f98b39c01cb535a51"}, {"url": "https://git.kernel.org/stable/c/34fbf48cf3b410d2a6e8c586fa952a36331ca5ba"}], "title": "RDMA/ocrdma: Don't NULL deref uctx on errors in ocrdma_copy_pd_uresp()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/ocrdma: Don't NULL deref uctx on errors in ocrdma_copy_pd_uresp()\n\nSashiko points out that pd->uctx isn't initialized until late in the\nfunction so all these error flow references are NULL and will crash. Use\nthe uctx that isn't NULL."}], "id": "CVE-2026-46127", "lastModified": "2026-05-28T13:44:01.663", "metrics": {}, "published": "2026-05-28T10:16:28.250", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/34fbf48cf3b410d2a6e8c586fa952a36331ca5ba"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/75fc130664ae324e7b2f9ad3630e0f175e9ca6c8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8832626a483439e207734e027afff322ccdf726e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e01a957561f663d3b68d2fd233a4502e3367efcd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ec44c00a4fe1327efa35083f98b39c01cb535a51"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: RDMA/ocrdma: Don't NULL deref uctx on errors in ocrdma_copy_pd_uresp()", "id": "2482582", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482582"}, "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-824", "details": ["A flaw was found in the Linux kernel, specifically within the RDMA (Remote Direct Memory Access) ocrdma driver. This vulnerability arises from an uninitialized pointer in the `ocrdma_copy_pd_uresp()` function's error handling, which can lead to a NULL dereference. An attacker could exploit this to cause a system crash, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-46127", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "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": "2026-05-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-46127\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-46127\nhttps://lore.kernel.org/linux-cve-announce/2026052816-CVE-2026-46127-7c28@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fe2caefcdf5869f308c102e3d64d40683bfad711,e01a957561f663d3b68d2fd233a4502e3367efcd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fe2caefcdf5869f308c102e3d64d40683bfad711,75fc130664ae324e7b2f9ad3630e0f175e9ca6c8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fe2caefcdf5869f308c102e3d64d40683bfad711,8832626a483439e207734e027afff322ccdf726e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fe2caefcdf5869f308c102e3d64d40683bfad711,ec44c00a4fe1327efa35083f98b39c01cb535a51)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[fe2caefcdf5869f308c102e3d64d40683bfad711,34fbf48cf3b410d2a6e8c586fa952a36331ca5ba)"}}], "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": "3.5"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,3.5)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.140,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.88,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.30,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.7,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1-rc3,*]"}}], "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": "2026-05-28T12:15:19.717849+00:00", "updated": "2026-05-29T04:45:36.028783+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}