s390/ism: Fix UAF of sba and ieq during ism_dev_exit() (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.20 % · percentile 9 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Received
Description
In the Linux kernel, the following vulnerability has been resolved: s390/ism: Fix UAF of sba and ieq during ism_dev_exit() A ism interrupt handler can be active in parallel with ism_dev_exit(), accessing freed data structures. No new interrupts will be generated after unregister_ieq(). Drain ongoing interrupt handlers by free_irq(), before freeing ism data structures.
References
- https://git.kernel.org/stable/c/9c9a59603b2b016424fe2f9a1cb58c8c2f7198f4
- https://git.kernel.org/stable/c/950dac9e8c4e3cf68fa8c01f77d3ac3b7369c6a9
- https://git.kernel.org/stable/c/58803870ba0841e53b630a1290c6838b091dd128
- https://git.kernel.org/stable/c/fc3021284050ecb3bba8a7851340cedcb5037928
- https://git.kernel.org/stable/c/774394d27930ec4cf4cb3eed8ab6a4d20cb2430a
- https://git.kernel.org/stable/c/b1896543ce59c4258625a35cf41e23a9a1f80ea2
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | Linux |
| CVSS 3.1 | HIGH 8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary) |
European references
- ENISA EUVD · EUVD-2026-64377
- GCVE · GCVE-0-2026-74690
CERT-FR advisories
- CERTFR-2026-AVI-1286 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 684b89bc39ce4f204b1a2b180f39f2eb36a6b695 < 9c9a59603b2b016424fe2f9a1cb58c8c2f7198f4 ; affected 684b89bc39ce4f204b1a2b180f39f2eb36a6b695 < 950dac9e8c4e3cf68fa8c01f77d3ac3b7369c6a9 ; affected 684b89bc39ce4f204b1a2b180f39f2eb36a6b695 < 58803870ba0841e53b630a1290c6838b091dd128 ; affected 684b89bc39ce4f204b1a2b180f39f2eb36a6b695 < fc3021284050ecb3bba8a7851340cedcb5037928 ; affected 684b89bc39ce4f204b1a2b180f39f2eb36a6b695 < 774394d27930ec4cf4cb3eed8ab6a4d20cb2430a ; affected 684b89bc39ce4f204b1a2b180f39f2eb36a6b695 < b1896543ce59c4258625a35cf41e23a9a1f80ea2 |
| Linux · Linux | affected 4.19 ; unaffected 0 < 4.19 ; unaffected 6.1.191 ≤ 6.1.* ; unaffected 6.6.160 ≤ 6.6.* ; unaffected 6.12.114 ≤ 6.12.* ; unaffected 6.18.45 ≤ 6.18.* |
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 |