RDMA/irdma: Fix kernel stack leak in irdma_create_user_ah()
Summary
| CVE | CVE-2026-23335 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-03-25 11:16:31 UTC |
| Updated | 2026-04-18 09:16:19 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix kernel stack leak in irdma_create_user_ah() struct irdma_create_ah_resp { // 8 bytes, no padding __u32 ah_id; // offset 0 - SET (uresp.ah_id = ah->sc_ah.ah_info.ah_idx) __u8 rsvd[4]; // offset 4 - NEVER SET <- LEAK }; rsvd[4]: 4 bytes of stack memory leaked unconditionally. Only ah_id is assigned before ib_respond_udata(). The reserved members of the structure were not zeroed. |
Risk And Classification
EPSS: 0.000320000 probability, percentile 0.090980000 (date 2026-04-18)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected b48c24c2d710cf34810c555dcef883a3d35a9c08 1f70df004fdd944653013ccc2e1dfd472a693b46 git | Not specified |
| CNA | Linux | Linux | affected b48c24c2d710cf34810c555dcef883a3d35a9c08 14b47c07c69930254f549a17ee245c80a65b1609 git | Not specified |
| CNA | Linux | Linux | affected b48c24c2d710cf34810c555dcef883a3d35a9c08 1b1fac4c7a3ab7f52e9cfb91e5c91216646ca4d8 git | Not specified |
| CNA | Linux | Linux | affected b48c24c2d710cf34810c555dcef883a3d35a9c08 2fd37450d271d74b3847baed284f9cfdf198c6f8 git | Not specified |
| CNA | Linux | Linux | affected b48c24c2d710cf34810c555dcef883a3d35a9c08 cfe962216c164fe2b1c1fb6ac925a7413f5abc84 git | Not specified |
| CNA | Linux | Linux | affected b48c24c2d710cf34810c555dcef883a3d35a9c08 c9bd0007c4bdb7806bbd323287e50f9cf467c51a git | Not specified |
| CNA | Linux | Linux | affected b48c24c2d710cf34810c555dcef883a3d35a9c08 74586c6da9ea222a61c98394f2fc0a604748438c git | Not specified |
| CNA | Linux | Linux | affected 5.14 | Not specified |
| CNA | Linux | Linux | unaffected 5.14 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.203 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.167 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.130 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.77 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.17 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.19.7 6.19.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/cfe962216c164fe2b1c1fb6ac925a7413f5abc84 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/1b1fac4c7a3ab7f52e9cfb91e5c91216646ca4d8 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/74586c6da9ea222a61c98394f2fc0a604748438c | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/2fd37450d271d74b3847baed284f9cfdf198c6f8 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/c9bd0007c4bdb7806bbd323287e50f9cf467c51a | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/14b47c07c69930254f549a17ee245c80a65b1609 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/1f70df004fdd944653013ccc2e1dfd472a693b46 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.