CVE-2026-74690
s390/ism: Fix UAF of sba and ieq during ism_dev_exit()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 22, 2026 |
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Affected Versions
Linux / Linux
684b89bc39ce4f204b1a2b180f39f2eb36a6b695 < fc3021284050ecb3bba8a7851340cedcb5037928 684b89bc39ce4f204b1a2b180f39f2eb36a6b695 < 774394d27930ec4cf4cb3eed8ab6a4d20cb2430a 684b89bc39ce4f204b1a2b180f39f2eb36a6b695 < b1896543ce59c4258625a35cf41e23a9a1f80ea2
Linux / Linux
4.19