misc: fastrpc: take fl->lock when moving mmaps on interrupted invoke (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.18 % · percentile 7 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Received
Description
In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: take fl->lock when moving mmaps on interrupted invoke When an invoke is interrupted by a signal, wait_for_completion_interruptible() returns -ERESTARTSYS and fastrpc_internal_invoke() moves every buffer from fl->mmaps onto cctx->invoke_interrupted_mmaps. This list_del()/list_add_tail() walk runs without holding fl->lock, the lock that serialises fl->mmaps in fastrpc_req_mmap() and fastrpc_req_munmap() everywhere else. Take fl->lock around the move, matching every other fl->mmaps accessor.
References
- https://git.kernel.org/stable/c/3f265e405e5ef85030c3777262e18bb556bc8724
- https://git.kernel.org/stable/c/a902fe1f80f58a2335b6be1131866f827ec44d1a
- https://git.kernel.org/stable/c/af6345159abcbaa550518f31990d2a9558c2d369
- https://git.kernel.org/stable/c/efd02f8d1a7449f15809bc18d3cd41aafea75d7e
- https://git.kernel.org/stable/c/b85a0e91d7d6cd06a53c881a46f749cfcef416a2
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | Linux |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary) |
European references
- ENISA EUVD · EUVD-2026-64583
- GCVE · GCVE-0-2026-74646
CERT-FR advisories
- CERTFR-2026-AVI-1286 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1232 — Multiples vulnérabilités dans le noyau Linux de Debian LTS · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1090 — Multiples vulnérabilités dans le noyau Linux de Debian · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 76e8e4ace1ed2c97dba3b1370e0e105e07c572bc < 3f265e405e5ef85030c3777262e18bb556bc8724 ; affected 76e8e4ace1ed2c97dba3b1370e0e105e07c572bc < a902fe1f80f58a2335b6be1131866f827ec44d1a ; affected 76e8e4ace1ed2c97dba3b1370e0e105e07c572bc < af6345159abcbaa550518f31990d2a9558c2d369 ; affected 76e8e4ace1ed2c97dba3b1370e0e105e07c572bc < efd02f8d1a7449f15809bc18d3cd41aafea75d7e ; affected 76e8e4ace1ed2c97dba3b1370e0e105e07c572bc < b85a0e91d7d6cd06a53c881a46f749cfcef416a2 |
| Linux · Linux | affected 6.2 ; unaffected 0 < 6.2 ; unaffected 6.6.152 ≤ 6.6.* ; unaffected 6.12.104 ≤ 6.12.* ; unaffected 6.18.45 ≤ 6.18.* ; unaffected 7.1.9 ≤ 7.1.* |
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 |