Vulnerability 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/774394d27930ec4cf4cb3eed8ab6a4d20cb2430a
- https://git.kernel.org/stable/c/b1896543ce59c4258625a35cf41e23a9a1f80ea2
- https://git.kernel.org/stable/c/fc3021284050ecb3bba8a7851340cedcb5037928
FAQ
What is CVE-2026-74690?
CVE-2026-74690 is a documented vulnerability. 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(), acce...
How severe is CVE-2026-74690?
CVSS scoring is not yet available for CVE-2026-74690. Check NVD for updates.
Is there a patch for CVE-2026-74690?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.