{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23335","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-01-13T15:37:45.997Z","datePublished":"2026-03-25T10:27:25.418Z","dateUpdated":"2026-05-11T22:04:51.125Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:04:51.125Z"},"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/hw/irdma/verbs.c"],"versions":[{"version":"b48c24c2d710cf34810c555dcef883a3d35a9c08","lessThan":"1f70df004fdd944653013ccc2e1dfd472a693b46","status":"affected","versionType":"git"},{"version":"b48c24c2d710cf34810c555dcef883a3d35a9c08","lessThan":"14b47c07c69930254f549a17ee245c80a65b1609","status":"affected","versionType":"git"},{"version":"b48c24c2d710cf34810c555dcef883a3d35a9c08","lessThan":"1b1fac4c7a3ab7f52e9cfb91e5c91216646ca4d8","status":"affected","versionType":"git"},{"version":"b48c24c2d710cf34810c555dcef883a3d35a9c08","lessThan":"2fd37450d271d74b3847baed284f9cfdf198c6f8","status":"affected","versionType":"git"},{"version":"b48c24c2d710cf34810c555dcef883a3d35a9c08","lessThan":"cfe962216c164fe2b1c1fb6ac925a7413f5abc84","status":"affected","versionType":"git"},{"version":"b48c24c2d710cf34810c555dcef883a3d35a9c08","lessThan":"c9bd0007c4bdb7806bbd323287e50f9cf467c51a","status":"affected","versionType":"git"},{"version":"b48c24c2d710cf34810c555dcef883a3d35a9c08","lessThan":"74586c6da9ea222a61c98394f2fc0a604748438c","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/irdma/verbs.c"],"versions":[{"version":"5.14","status":"affected"},{"version":"0","lessThan":"5.14","status":"unaffected","versionType":"semver"},{"version":"5.15.203","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.167","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.130","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.77","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.17","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.7","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","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":"5.14","versionEndExcluding":"5.15.203"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.1.167"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.6.130"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.12.77"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.18.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.19.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"7.0"}]}]}],"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"}}}}