CVE-2026-93110RDMA/core: Wait for RCU callbacks before unloading ib_core
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Sep 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | 943bd984b108b3bb778790c2da4ae8d186b547e6 builds before 82dfd1df456227279b1c8c648983a530f2612098; from 943bd984b108b3bb778790c2da4ae8d186b547e6 before 1646e123e56c3ad679fbfb571e8eef6386efb729; 943bd984b108b3bb778790c2da4ae8d186b547e6 builds before 8e4f1677c09d75d738099f42afcf65d8587b664a; from 943bd984b108b3bb778790c2da4ae8d186b547e6 before 7853af5f15738dc00aebaa1fc9f1f0df40f6f603; 943bd984b108b3bb778790c2da4ae8d186b547e6 builds before 0d5817fa4819abdc445fa77b5be4f0d49334a864; 943bd984b108b3bb778790c2da4ae8d186b547e6 builds before 9d998297fdaf47492f6679287f6552879d1a7e3a; 943bd984b108b3bb778790c2da4ae8d186b547e6 builds before 48b72fa0d209a92fb51b834a6080171cfa207b2c; 943bd984b108b3bb778790c2da4ae8d186b547e6 builds before 7d75592114d1664623c8cf191a12b38052c04483 | CNA record |
References
- https://git.kernel.org/stable/c/82dfd1df456227279b1c8c648983a530f2612098
- https://git.kernel.org/stable/c/1646e123e56c3ad679fbfb571e8eef6386efb729
- https://git.kernel.org/stable/c/8e4f1677c09d75d738099f42afcf65d8587b664a
- https://git.kernel.org/stable/c/7853af5f15738dc00aebaa1fc9f1f0df40f6f603
- https://git.kernel.org/stable/c/0d5817fa4819abdc445fa77b5be4f0d49334a864
- https://git.kernel.org/stable/c/9d998297fdaf47492f6679287f6552879d1a7e3a
- https://git.kernel.org/stable/c/48b72fa0d209a92fb51b834a6080171cfa207b2c
- https://git.kernel.org/stable/c/7d75592114d1664623c8cf191a12b38052c04483
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.