CVE-2026-74690

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Source

https://cve.org/CVERecord?id=CVE-2026-74690

Import Source

JSON Data

https://api.test.osv.dev/v1/vulns/CVE-2026-74690

Downstream

BELL (1)

DEBIAN (1)

MGASA (2)

UBUNTU (1)

Published

2026-08-22T15:32:54Z

Modified

2026-10-31T02:47:58Z

Severity

8.4 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

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

Details

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.

Database specific

{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74690.json"
}

References

Affected packages

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

684b89bc39ce4f204b1a2b180f39f2eb36a6b695

Fixed

9c9a59603b2b016424fe2f9a1cb58c8c2f7198f4

Fixed

950dac9e8c4e3cf68fa8c01f77d3ac3b7369c6a9

Fixed

58803870ba0841e53b630a1290c6838b091dd128

Fixed

fc3021284050ecb3bba8a7851340cedcb5037928

Fixed

774394d27930ec4cf4cb3eed8ab6a4d20cb2430a

Fixed

b1896543ce59c4258625a35cf41e23a9a1f80ea2

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-74690.json"

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-74690.json"