CVE-2026-74690
HIGH
MEDIUM
Priority: 0.02
BB Relevance:
52/100
Published: 2026-08-22
Modified: 2026-10-30
First seen: 2026-10-30
Status: active
Attack Surface
Low Complexity
No Auth
No Interaction
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Local
AC:
Low
PR:
None
UI:
None
S:
Unchanged
C:
High
I:
High
A:
High
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.
Affected Software (7)
| Vendor | Product | Version |
|---|---|---|
| Linux | Linux | 684b89bc39ce4f204b1a2b180f39f2eb36a6b695 < 9c9a59603b2b016424fe2f9a1cb58c8c2f7198f4 |
| Linux | Linux | 684b89bc39ce4f204b1a2b180f39f2eb36a6b695 < 950dac9e8c4e3cf68fa8c01f77d3ac3b7369c6a9 |
| Linux | Linux | 684b89bc39ce4f204b1a2b180f39f2eb36a6b695 < 58803870ba0841e53b630a1290c6838b091dd128 |
| Linux | Linux | 684b89bc39ce4f204b1a2b180f39f2eb36a6b695 < fc3021284050ecb3bba8a7851340cedcb5037928 |
| Linux | Linux | 684b89bc39ce4f204b1a2b180f39f2eb36a6b695 < 774394d27930ec4cf4cb3eed8ab6a4d20cb2430a |
| Linux | Linux | 684b89bc39ce4f204b1a2b180f39f2eb36a6b695 < b1896543ce59c4258625a35cf41e23a9a1f80ea2 |
| Linux | Linux | 4.19 |