{"id":"CVE-2026-46127","title":"RDMA/ocrdma: Don't NULL deref uctx on errors in ocrdma_copy_pd_uresp()","summary":"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…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= fe2caefcdf5869f308c102e3d64d40683bfad711 < b610f33c5523fe26f6dd897667fff9c7a1de5905","Linux >= fe2caefcdf5869f308c102e3d64d40683bfad711 < 443c991fbc954cc9363e963c09f404b9f281f3a2","Linux >= fe2caefcdf5869f308c102e3d64d40683bfad711 < 27b6eb1f27fda9bdd5cae028e396758cdf525845","Linux >= fe2caefcdf5869f308c102e3d64d40683bfad711 < e01a957561f663d3b68d2fd233a4502e3367efcd","Linux >= fe2caefcdf5869f308c102e3d64d40683bfad711 < 75fc130664ae324e7b2f9ad3630e0f175e9ca6c8","Linux >= fe2caefcdf5869f308c102e3d64d40683bfad711 < 8832626a483439e207734e027afff322ccdf726e","Linux >= fe2caefcdf5869f308c102e3d64d40683bfad711 < ec44c00a4fe1327efa35083f98b39c01cb535a51","Linux >= fe2caefcdf5869f308c102e3d64d40683bfad711 < 34fbf48cf3b410d2a6e8c586fa952a36331ca5ba","Linux 3.5"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T16:09:17.301683Z"},"published":"2026-05-28","updated":"2026-11-06","sourceUpdated":"2026-11-06T16:13:38.934Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-46127","references":[{"url":"https://git.kernel.org/stable/c/b610f33c5523fe26f6dd897667fff9c7a1de5905"},{"url":"https://git.kernel.org/stable/c/443c991fbc954cc9363e963c09f404b9f281f3a2"},{"url":"https://git.kernel.org/stable/c/27b6eb1f27fda9bdd5cae028e396758cdf525845"},{"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"}],"tags":["cve.org"],"epss":0.00128,"epssPercentile":0.02478,"ingestedAt":"2026-11-06T16:57:43.333Z","slug":"CVE-2026-46127","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `Linux >= fe2caefcdf5869f308c102e3d64d40683bfad711 < b610f33c5523fe26f6dd897667fff9c7a1de5905`\n- `Linux >= fe2caefcdf5869f308c102e3d64d40683bfad711 < 443c991fbc954cc9363e963c09f404b9f281f3a2`\n- `Linux >= fe2caefcdf5869f308c102e3d64d40683bfad711 < 27b6eb1f27fda9bdd5cae028e396758cdf525845`\n- `Linux >= fe2caefcdf5869f308c102e3d64d40683bfad711 < e01a957561f663d3b68d2fd233a4502e3367efcd`\n- `Linux >= fe2caefcdf5869f308c102e3d64d40683bfad711 < 75fc130664ae324e7b2f9ad3630e0f175e9ca6c8`\n- `Linux >= fe2caefcdf5869f308c102e3d64d40683bfad711 < 8832626a483439e207734e027afff322ccdf726e`\n- `Linux >= fe2caefcdf5869f308c102e3d64d40683bfad711 < ec44c00a4fe1327efa35083f98b39c01cb535a51`\n- `Linux >= fe2caefcdf5869f308c102e3d64d40683bfad711 < 34fbf48cf3b410d2a6e8c586fa952a36331ca5ba`\n- `Linux 3.5`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}