CVE-2026-74690EPSS p8.2%
CVE-2026-74690CVE-2026-74690
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.
Scoring
| CVSS | 8.4 () |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 0.19% probability of exploitation · percentile 8.2% · 2026-10-05T12:00:23Z |
| Last modified | 2026-08-25 |