CVE-2026-45982

ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()

MEDIUM

5.5

CVSS Score

Published: May 27, 2026 at 12:18 PM UTC

Updated: June 17, 2026 at 10:52 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.1%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

5.17 ≤ v < 6.1.1655.17 ≤ v < 6.12.755.17 ≤ v < 6.18.145.17 ≤ v < 6.19.45.17 ≤ v < 6.6.1285.17 ≤ v < 7.06.13 ≤ v < 6.18.146.19 ≤ v < 6.19.46.2 ≤ v < 6.6.1286.7 ≤ v < 6.12.750acf24ad7e10f547809faefb8069f8f5482eb4d95.17

Vendor states this is fixed in 56024dbe8c76cff22f53ba81a95d9efd4d0c9c44 (fixed)

Vendor states this is fixed in 7d99cbe717c1b15a66559215df32312d8cf7e525 (fixed)

Vendor states this is fixed in b24595b86920911d2b04f862422b896a0620e9ad (fixed)

Vendor states this is fixed in cce354524da4d10fd2c7eb835e2e4e8ab8c0ce97 (fixed)

Vendor states this is fixed in f2cf475d23b8486dfa414f7ac09f918ffd3c32a5 (fixed)

Vendor states this is fixed in f851e03bce968ff9b3faad1b616062e1244fd38d (fixed)

Vendor states this is fixed in 5.17 (unaffected)

Vendor states this is fixed in 6.1.165 (unaffected)

Vendor states this is fixed in 6.12.75 (unaffected)

Vendor states this is fixed in 6.18.14 (unaffected)

Vendor states this is fixed in 6.19.4 (unaffected)

Vendor states this is fixed in 6.6.128 (unaffected)