{"id":"CVE-2026-46127","state":"PUBLISHED","title":"RDMA/ocrdma: Don't NULL deref uctx on errors in ocrdma_copy_pd_uresp()","description":"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.","publishedAt":"2026-05-28T09:35:42.368Z","updatedAt":"2026-06-14T17:56:27.705Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fe2caefcdf5869f308c102e3d64d40683bfad711","status":"affected","lessThan":"b610f33c5523fe26f6dd897667fff9c7a1de5905","versionType":"git"},{"version":"fe2caefcdf5869f308c102e3d64d40683bfad711","status":"affected","lessThan":"443c991fbc954cc9363e963c09f404b9f281f3a2","versionType":"git"},{"version":"fe2caefcdf5869f308c102e3d64d40683bfad711","status":"affected","lessThan":"27b6eb1f27fda9bdd5cae028e396758cdf525845","versionType":"git"},{"version":"fe2caefcdf5869f308c102e3d64d40683bfad711","status":"affected","lessThan":"e01a957561f663d3b68d2fd233a4502e3367efcd","versionType":"git"},{"version":"fe2caefcdf5869f308c102e3d64d40683bfad711","status":"affected","lessThan":"75fc130664ae324e7b2f9ad3630e0f175e9ca6c8","versionType":"git"},{"version":"fe2caefcdf5869f308c102e3d64d40683bfad711","status":"affected","lessThan":"8832626a483439e207734e027afff322ccdf726e","versionType":"git"},{"version":"fe2caefcdf5869f308c102e3d64d40683bfad711","status":"affected","lessThan":"ec44c00a4fe1327efa35083f98b39c01cb535a51","versionType":"git"},{"version":"fe2caefcdf5869f308c102e3d64d40683bfad711","status":"affected","lessThan":"34fbf48cf3b410d2a6e8c586fa952a36331ca5ba","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/hw/ocrdma/ocrdma_verbs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.5","versionType":"semver"},{"version":"5.10.258","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.209","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.175","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.140","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.88","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.30","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.7","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/hw/ocrdma/ocrdma_verbs.c"]}],"references":["https://git.kernel.org/stable/c/b610f33c5523fe26f6dd897667fff9c7a1de5905","https://git.kernel.org/stable/c/443c991fbc954cc9363e963c09f404b9f281f3a2","https://git.kernel.org/stable/c/27b6eb1f27fda9bdd5cae028e396758cdf525845","https://git.kernel.org/stable/c/e01a957561f663d3b68d2fd233a4502e3367efcd","https://git.kernel.org/stable/c/75fc130664ae324e7b2f9ad3630e0f175e9ca6c8","https://git.kernel.org/stable/c/8832626a483439e207734e027afff322ccdf726e","https://git.kernel.org/stable/c/ec44c00a4fe1327efa35083f98b39c01cb535a51","https://git.kernel.org/stable/c/34fbf48cf3b410d2a6e8c586fa952a36331ca5ba"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/46xxx/CVE-2026-46127.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46127","state":"PUBLISHED","datePublished":"2026-05-28T09:35:42.368Z","dateUpdated":"2026-06-14T17:56:27.705Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.099Z"},"containers":{"cna":{"title":"RDMA/ocrdma: Don't NULL deref uctx on errors in ocrdma_copy_pd_uresp()","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":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fe2caefcdf5869f308c102e3d64d40683bfad711","status":"affected","lessThan":"b610f33c5523fe26f6dd897667fff9c7a1de5905","versionType":"git"},{"version":"fe2caefcdf5869f308c102e3d64d40683bfad711","status":"affected","lessThan":"443c991fbc954cc9363e963c09f404b9f281f3a2","versionType":"git"},{"version":"fe2caefcdf5869f308c102e3d64d40683bfad711","status":"affected","lessThan":"27b6eb1f27fda9bdd5cae028e396758cdf525845","versionType":"git"},{"version":"fe2caefcdf5869f308c102e3d64d40683bfad711","status":"affected","lessThan":"e01a957561f663d3b68d2fd233a4502e3367efcd","versionType":"git"},{"version":"fe2caefcdf5869f308c102e3d64d40683bfad711","status":"affected","lessThan":"75fc130664ae324e7b2f9ad3630e0f175e9ca6c8","versionType":"git"},{"version":"fe2caefcdf5869f308c102e3d64d40683bfad711","status":"affected","lessThan":"8832626a483439e207734e027afff322ccdf726e","versionType":"git"},{"version":"fe2caefcdf5869f308c102e3d64d40683bfad711","status":"affected","lessThan":"ec44c00a4fe1327efa35083f98b39c01cb535a51","versionType":"git"},{"version":"fe2caefcdf5869f308c102e3d64d40683bfad711","status":"affected","lessThan":"34fbf48cf3b410d2a6e8c586fa952a36331ca5ba","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/hw/ocrdma/ocrdma_verbs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.5","versionType":"semver"},{"version":"5.10.258","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.209","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.175","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.140","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.88","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.30","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.7","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/hw/ocrdma/ocrdma_verbs.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-14T17:56:27.705Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"5.10.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"5.15.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"6.1.175"},{"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"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}