{"api_version":"1","generated_at":"2026-04-19T01:16:19+00:00","cve":"CVE-2026-23335","urls":{"html":"https://cve.report/CVE-2026-23335","api":"https://cve.report/api/cve/CVE-2026-23335.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-23335","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-23335"},"summary":{"title":"RDMA/irdma: Fix kernel stack leak in irdma_create_user_ah()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/irdma: Fix kernel stack leak in irdma_create_user_ah()\n\nstruct irdma_create_ah_resp {  // 8 bytes, no padding\n    __u32 ah_id;               // offset 0 - SET (uresp.ah_id = ah->sc_ah.ah_info.ah_idx)\n    __u8  rsvd[4];             // offset 4 - NEVER SET <- LEAK\n};\n\nrsvd[4]: 4 bytes of stack memory leaked unconditionally. Only ah_id is assigned before ib_respond_udata().\n\nThe reserved members of the structure were not zeroed.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-03-25 11:16:31","updated_at":"2026-04-18 09:16:19"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/cfe962216c164fe2b1c1fb6ac925a7413f5abc84","name":"https://git.kernel.org/stable/c/cfe962216c164fe2b1c1fb6ac925a7413f5abc84","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1b1fac4c7a3ab7f52e9cfb91e5c91216646ca4d8","name":"https://git.kernel.org/stable/c/1b1fac4c7a3ab7f52e9cfb91e5c91216646ca4d8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/74586c6da9ea222a61c98394f2fc0a604748438c","name":"https://git.kernel.org/stable/c/74586c6da9ea222a61c98394f2fc0a604748438c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2fd37450d271d74b3847baed284f9cfdf198c6f8","name":"https://git.kernel.org/stable/c/2fd37450d271d74b3847baed284f9cfdf198c6f8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c9bd0007c4bdb7806bbd323287e50f9cf467c51a","name":"https://git.kernel.org/stable/c/c9bd0007c4bdb7806bbd323287e50f9cf467c51a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/14b47c07c69930254f549a17ee245c80a65b1609","name":"https://git.kernel.org/stable/c/14b47c07c69930254f549a17ee245c80a65b1609","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1f70df004fdd944653013ccc2e1dfd472a693b46","name":"https://git.kernel.org/stable/c/1f70df004fdd944653013ccc2e1dfd472a693b46","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-23335","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23335","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b48c24c2d710cf34810c555dcef883a3d35a9c08 1f70df004fdd944653013ccc2e1dfd472a693b46 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b48c24c2d710cf34810c555dcef883a3d35a9c08 14b47c07c69930254f549a17ee245c80a65b1609 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b48c24c2d710cf34810c555dcef883a3d35a9c08 1b1fac4c7a3ab7f52e9cfb91e5c91216646ca4d8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b48c24c2d710cf34810c555dcef883a3d35a9c08 2fd37450d271d74b3847baed284f9cfdf198c6f8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.77 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.17 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.7 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"23335","cve":"CVE-2026-23335","epss":"0.000320000","percentile":"0.090980000","score_date":"2026-04-18","updated_at":"2026-04-19 00:10:43"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/infiniband/hw/irdma/verbs.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"1f70df004fdd944653013ccc2e1dfd472a693b46","status":"affected","version":"b48c24c2d710cf34810c555dcef883a3d35a9c08","versionType":"git"},{"lessThan":"14b47c07c69930254f549a17ee245c80a65b1609","status":"affected","version":"b48c24c2d710cf34810c555dcef883a3d35a9c08","versionType":"git"},{"lessThan":"1b1fac4c7a3ab7f52e9cfb91e5c91216646ca4d8","status":"affected","version":"b48c24c2d710cf34810c555dcef883a3d35a9c08","versionType":"git"},{"lessThan":"2fd37450d271d74b3847baed284f9cfdf198c6f8","status":"affected","version":"b48c24c2d710cf34810c555dcef883a3d35a9c08","versionType":"git"},{"lessThan":"cfe962216c164fe2b1c1fb6ac925a7413f5abc84","status":"affected","version":"b48c24c2d710cf34810c555dcef883a3d35a9c08","versionType":"git"},{"lessThan":"c9bd0007c4bdb7806bbd323287e50f9cf467c51a","status":"affected","version":"b48c24c2d710cf34810c555dcef883a3d35a9c08","versionType":"git"},{"lessThan":"74586c6da9ea222a61c98394f2fc0a604748438c","status":"affected","version":"b48c24c2d710cf34810c555dcef883a3d35a9c08","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/infiniband/hw/irdma/verbs.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.14"},{"lessThan":"5.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.77","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.17","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.203","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.167","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.130","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.77","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.17","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.7","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"5.14","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/irdma: Fix kernel stack leak in irdma_create_user_ah()\n\nstruct irdma_create_ah_resp {  // 8 bytes, no padding\n    __u32 ah_id;               // offset 0 - SET (uresp.ah_id = ah->sc_ah.ah_info.ah_idx)\n    __u8  rsvd[4];             // offset 4 - NEVER SET <- LEAK\n};\n\nrsvd[4]: 4 bytes of stack memory leaked unconditionally. Only ah_id is assigned before ib_respond_udata().\n\nThe reserved members of the structure were not zeroed."}],"providerMetadata":{"dateUpdated":"2026-04-18T08:57:59.964Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/1f70df004fdd944653013ccc2e1dfd472a693b46"},{"url":"https://git.kernel.org/stable/c/14b47c07c69930254f549a17ee245c80a65b1609"},{"url":"https://git.kernel.org/stable/c/1b1fac4c7a3ab7f52e9cfb91e5c91216646ca4d8"},{"url":"https://git.kernel.org/stable/c/2fd37450d271d74b3847baed284f9cfdf198c6f8"},{"url":"https://git.kernel.org/stable/c/cfe962216c164fe2b1c1fb6ac925a7413f5abc84"},{"url":"https://git.kernel.org/stable/c/c9bd0007c4bdb7806bbd323287e50f9cf467c51a"},{"url":"https://git.kernel.org/stable/c/74586c6da9ea222a61c98394f2fc0a604748438c"}],"title":"RDMA/irdma: Fix kernel stack leak in irdma_create_user_ah()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-23335","datePublished":"2026-03-25T10:27:25.418Z","dateReserved":"2026-01-13T15:37:45.997Z","dateUpdated":"2026-04-18T08:57:59.964Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-03-25 11:16:31","lastModifiedDate":"2026-04-18 09:16:19","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"23335","Ordinal":"1","Title":"RDMA/irdma: Fix kernel stack leak in irdma_create_user_ah()","CVE":"CVE-2026-23335","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"23335","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/irdma: Fix kernel stack leak in irdma_create_user_ah()\n\nstruct irdma_create_ah_resp {  // 8 bytes, no padding\n    __u32 ah_id;               // offset 0 - SET (uresp.ah_id = ah->sc_ah.ah_info.ah_idx)\n    __u8  rsvd[4];             // offset 4 - NEVER SET <- LEAK\n};\n\nrsvd[4]: 4 bytes of stack memory leaked unconditionally. Only ah_id is assigned before ib_respond_udata().\n\nThe reserved members of the structure were not zeroed.","Type":"Description","Title":"RDMA/irdma: Fix kernel stack leak in irdma_create_user_ah()"}]}}}