CVE-2026-74690
- Source
- https://cve.org/CVERecord?id=CVE-2026-74690
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74690.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-74690
- Downstream
- Published
- 2026-08-22T15:32:54Z
- Modified
- 2026-08-27T11:30:55Z
- 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
-
- https://git.kernel.org/stable/c/774394d27930ec4cf4cb3eed8ab6a4d20cb2430a
- https://git.kernel.org/stable/c/b1896543ce59c4258625a35cf41e23a9a1f80ea2
- https://git.kernel.org/stable/c/fc3021284050ecb3bba8a7851340cedcb5037928
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74690.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-74690
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git