CVE-2026-45982 PUBLISHED

ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()

Assigner: Linux
Reserved: 13.05.2026 Published: 27.05.2026 Updated: 27.05.2026

In the Linux kernel, the following vulnerability has been resolved:

ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()

Cover a missed execution path with a new check.

Vendor	Linux
Product	Linux
Versions	Default: unaffected affected from 0acf24ad7e10f547809faefb8069f8f5482eb4d9 to 7d99cbe717c1b15a66559215df32312d8cf7e525 (excl.) affected from 0acf24ad7e10f547809faefb8069f8f5482eb4d9 to f2cf475d23b8486dfa414f7ac09f918ffd3c32a5 (excl.) affected from 0acf24ad7e10f547809faefb8069f8f5482eb4d9 to cce354524da4d10fd2c7eb835e2e4e8ab8c0ce97 (excl.) affected from 0acf24ad7e10f547809faefb8069f8f5482eb4d9 to b24595b86920911d2b04f862422b896a0620e9ad (excl.) affected from 0acf24ad7e10f547809faefb8069f8f5482eb4d9 to 56024dbe8c76cff22f53ba81a95d9efd4d0c9c44 (excl.) affected from 0acf24ad7e10f547809faefb8069f8f5482eb4d9 to f851e03bce968ff9b3faad1b616062e1244fd38d (excl.)

Vendor	Linux
Product	Linux
Versions	Default: affected Version 5.17 is affected unaffected from 0 to 5.17 (excl.) unaffected from 6.1.165 to 6.1.* (incl.) unaffected from 6.6.128 to 6.6.* (incl.) unaffected from 6.12.75 to 6.12.* (incl.) unaffected from 6.18.14 to 6.18.* (incl.) unaffected from 6.19.4 to 6.19.* (incl.) unaffected from 7.0 to * (incl.)