{"id":"CVE-2026-23335","title":"RDMA/irdma: Fix kernel stack leak in irdma_create_user_ah()","summary":"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 (ure…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= b48c24c2d710cf34810c555dcef883a3d35a9c08 < 1f70df004fdd944653013ccc2e1dfd472a693b46","Linux >= b48c24c2d710cf34810c555dcef883a3d35a9c08 < 14b47c07c69930254f549a17ee245c80a65b1609","Linux >= b48c24c2d710cf34810c555dcef883a3d35a9c08 < 1b1fac4c7a3ab7f52e9cfb91e5c91216646ca4d8","Linux >= b48c24c2d710cf34810c555dcef883a3d35a9c08 < 2fd37450d271d74b3847baed284f9cfdf198c6f8","Linux >= b48c24c2d710cf34810c555dcef883a3d35a9c08 < cfe962216c164fe2b1c1fb6ac925a7413f5abc84","Linux >= b48c24c2d710cf34810c555dcef883a3d35a9c08 < c9bd0007c4bdb7806bbd323287e50f9cf467c51a","Linux >= b48c24c2d710cf34810c555dcef883a3d35a9c08 < 74586c6da9ea222a61c98394f2fc0a604748438c","Linux 5.14"],"published":"2026-03-25","updated":"2026-09-08","sourceUpdated":"2026-09-08T08:45:37.563Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-23335","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"}],"tags":["cve.org"],"epss":0.00125,"epssPercentile":0.02566,"ingestedAt":"2026-09-08T15:33:26.993Z","slug":"CVE-2026-23335","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `Linux >= b48c24c2d710cf34810c555dcef883a3d35a9c08 < 1f70df004fdd944653013ccc2e1dfd472a693b46`\n- `Linux >= b48c24c2d710cf34810c555dcef883a3d35a9c08 < 14b47c07c69930254f549a17ee245c80a65b1609`\n- `Linux >= b48c24c2d710cf34810c555dcef883a3d35a9c08 < 1b1fac4c7a3ab7f52e9cfb91e5c91216646ca4d8`\n- `Linux >= b48c24c2d710cf34810c555dcef883a3d35a9c08 < 2fd37450d271d74b3847baed284f9cfdf198c6f8`\n- `Linux >= b48c24c2d710cf34810c555dcef883a3d35a9c08 < cfe962216c164fe2b1c1fb6ac925a7413f5abc84`\n- `Linux >= b48c24c2d710cf34810c555dcef883a3d35a9c08 < c9bd0007c4bdb7806bbd323287e50f9cf467c51a`\n- `Linux >= b48c24c2d710cf34810c555dcef883a3d35a9c08 < 74586c6da9ea222a61c98394f2fc0a604748438c`\n- `Linux 5.14`\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":[]}