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CVE-2026-74690

s390/ism: Fix UAF of sba and ieq during ism_dev_exit()

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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 684b89bc39ce4f204b1a2b180f39f2eb36a6b695
Version < fc3021284050ecb3bba8a7851340cedcb5037928
Status affected
Version 684b89bc39ce4f204b1a2b180f39f2eb36a6b695
Version < 774394d27930ec4cf4cb3eed8ab6a4d20cb2430a
Status affected
Version 684b89bc39ce4f204b1a2b180f39f2eb36a6b695
Version < b1896543ce59c4258625a35cf41e23a9a1f80ea2
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 4.19
Status affected
Version 0
Version < 4.19
Status unaffected
Version <= 6.18.*
Version 6.18.45
Status unaffected
Version <= 7.1.*
Version 7.1.9
Status unaffected
Version <= *
Version 7.2
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.17% 0.06
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/774394d27930ec4cf4cb3eed8ab6a4d20cb2430a
https://git.kernel.org/stable/c/b1896543ce59c4258625a35cf41e23a9a1f80ea2
https://git.kernel.org/stable/c/fc3021284050ecb3bba8a7851340cedcb5037928