RDMA/core: Wait for RCU callbacks before unloading ib_core
Summary
| CVE | CVE-2026-93110 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-09-17 17:18:05 UTC |
| Updated | 2026-09-17 17:18:05 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Wait for RCU callbacks before unloading ib_core put_gid_ndev() is queued with call_rcu() and implemented in ib_core. Stopping the workqueues does not drain callbacks already queued, so RCU could invoke it after the module code has been unloaded. synchronize_rcu() does not wait for callbacks. Wait for them after all producers have stopped. |
Risk And Classification
EPSS: 0.001760000 probability, percentile 0.074660000 (date 2026-09-18)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 943bd984b108b3bb778790c2da4ae8d186b547e6 82dfd1df456227279b1c8c648983a530f2612098 git | Not specified |
| CNA | Linux | Linux | affected 943bd984b108b3bb778790c2da4ae8d186b547e6 1646e123e56c3ad679fbfb571e8eef6386efb729 git | Not specified |
| CNA | Linux | Linux | affected 943bd984b108b3bb778790c2da4ae8d186b547e6 8e4f1677c09d75d738099f42afcf65d8587b664a git | Not specified |
| CNA | Linux | Linux | affected 943bd984b108b3bb778790c2da4ae8d186b547e6 7853af5f15738dc00aebaa1fc9f1f0df40f6f603 git | Not specified |
| CNA | Linux | Linux | affected 943bd984b108b3bb778790c2da4ae8d186b547e6 0d5817fa4819abdc445fa77b5be4f0d49334a864 git | Not specified |
| CNA | Linux | Linux | affected 943bd984b108b3bb778790c2da4ae8d186b547e6 9d998297fdaf47492f6679287f6552879d1a7e3a git | Not specified |
| CNA | Linux | Linux | affected 943bd984b108b3bb778790c2da4ae8d186b547e6 48b72fa0d209a92fb51b834a6080171cfa207b2c git | Not specified |
| CNA | Linux | Linux | affected 943bd984b108b3bb778790c2da4ae8d186b547e6 7d75592114d1664623c8cf191a12b38052c04483 git | Not specified |
| CNA | Linux | Linux | affected 5.2 | Not specified |
| CNA | Linux | Linux | unaffected 5.2 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.270 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.221 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.188 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.157 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.110 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.52 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.2.6 7.2.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.3-rc1 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/7853af5f15738dc00aebaa1fc9f1f0df40f6f603 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/82dfd1df456227279b1c8c648983a530f2612098 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/8e4f1677c09d75d738099f42afcf65d8587b664a | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/0d5817fa4819abdc445fa77b5be4f0d49334a864 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/9d998297fdaf47492f6679287f6552879d1a7e3a | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/1646e123e56c3ad679fbfb571e8eef6386efb729 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/7d75592114d1664623c8cf191a12b38052c04483 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/48b72fa0d209a92fb51b834a6080171cfa207b2c | 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.