rxrpc: fix io_thread race in rxrpc_wake_up_io_thread() (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.17 % · percentile 7 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Received
Description
In the Linux kernel, the following vulnerability has been resolved: rxrpc: fix io_thread race in rxrpc_wake_up_io_thread() rxrpc_wake_up_io_thread() checks local->io_thread before waking it, but then reloads the pointer for wake_up_process(). local->io_thread is cleared with WRITE_ONCE() when the I/O thread exits, so the second load can see NULL even if the first load did not. Take a READ_ONCE() snapshot and use it for both the NULL check and the wake_up_process() call, as rxrpc_encap_rcv() already does.
References
European references
- ENISA EUVD · EUVD-2026-55435
- GCVE · GCVE-0-2026-68334
CERT-FR advisories
- CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1333 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1286 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 5800b1cf3fd8ccab752a101865be1e76dac33142 < c9165e199f56997f2f2deb5d3ec2dfab98dfa288 ; affected 5800b1cf3fd8ccab752a101865be1e76dac33142 < 092b42cf3f6013eec43607ecbcad674723649514 ; affected 5800b1cf3fd8ccab752a101865be1e76dac33142 < 745fb794c3e933c023af9dbb5876a5e16ad2dc71 |
| Linux · Linux | affected 6.16 ; unaffected 0 < 6.16 ; unaffected 6.18.42 ≤ 6.18.* ; unaffected 7.1.6 ≤ 7.1.* ; unaffected 7.2 ≤ * |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |