RDMA/ocrdma: Don't NULL deref uctx on errors in ocrdma_copy_pd_uresp()
Summary
| CVE | CVE-2026-46127 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-28 10:16:28 UTC |
| Updated | 2026-06-24 16:50:27 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved: RDMA/ocrdma: Don't NULL deref uctx on errors in ocrdma_copy_pd_uresp() Sashiko points out that pd->uctx isn't initialized until late in the function so all these error flow references are NULL and will crash. Use the uctx that isn't NULL. |
Risk And Classification
Primary CVSS: v3.1 5.5 MEDIUM from [email protected]
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.000320000 probability, percentile 0.097350000 (date 2026-06-04)
Problem Types: CWE-476
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected fe2caefcdf5869f308c102e3d64d40683bfad711 b610f33c5523fe26f6dd897667fff9c7a1de5905 git | Not specified |
| CNA | Linux | Linux | affected fe2caefcdf5869f308c102e3d64d40683bfad711 443c991fbc954cc9363e963c09f404b9f281f3a2 git | Not specified |
| CNA | Linux | Linux | affected fe2caefcdf5869f308c102e3d64d40683bfad711 27b6eb1f27fda9bdd5cae028e396758cdf525845 git | Not specified |
| CNA | Linux | Linux | affected fe2caefcdf5869f308c102e3d64d40683bfad711 e01a957561f663d3b68d2fd233a4502e3367efcd git | Not specified |
| CNA | Linux | Linux | affected fe2caefcdf5869f308c102e3d64d40683bfad711 75fc130664ae324e7b2f9ad3630e0f175e9ca6c8 git | Not specified |
| CNA | Linux | Linux | affected fe2caefcdf5869f308c102e3d64d40683bfad711 8832626a483439e207734e027afff322ccdf726e git | Not specified |
| CNA | Linux | Linux | affected fe2caefcdf5869f308c102e3d64d40683bfad711 ec44c00a4fe1327efa35083f98b39c01cb535a51 git | Not specified |
| CNA | Linux | Linux | affected fe2caefcdf5869f308c102e3d64d40683bfad711 34fbf48cf3b410d2a6e8c586fa952a36331ca5ba git | Not specified |
| CNA | Linux | Linux | affected 3.5 | Not specified |
| CNA | Linux | Linux | unaffected 3.5 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.258 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.209 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.175 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.140 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.88 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.30 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0.7 7.0.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.1 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/75fc130664ae324e7b2f9ad3630e0f175e9ca6c8 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/8832626a483439e207734e027afff322ccdf726e | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/ec44c00a4fe1327efa35083f98b39c01cb535a51 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/443c991fbc954cc9363e963c09f404b9f281f3a2 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/e01a957561f663d3b68d2fd233a4502e3367efcd | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/27b6eb1f27fda9bdd5cae028e396758cdf525845 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/34fbf48cf3b410d2a6e8c586fa952a36331ca5ba | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/b610f33c5523fe26f6dd897667fff9c7a1de5905 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| 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.