What’s Vulnerable › Vulnerabilities

CVE-2026-45982: ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-27 · updated 2026-06-17
• Weakness: CWE-476

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 products

• Linux kernel: from 5.17 before 6.1.165; from 6.2 before 6.6.128; from 6.7 before 6.12.75; from 6.13 before 6.18.14; from 6.19 before 6.19.4 — fixed in 6.1.165, 6.12.75, 6.18.14, 6.19.4, 6.6.128

How to fix

Upgrade to a fixed version: Linux kernel 6.1.165, 6.12.75, 6.18.14, 6.19.4. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/56024dbe8c76cff22f53ba81a95d9efd4d0c9c44
• https://git.kernel.org/stable/c/7d99cbe717c1b15a66559215df32312d8cf7e525
• https://git.kernel.org/stable/c/b24595b86920911d2b04f862422b896a0620e9ad
• https://git.kernel.org/stable/c/cce354524da4d10fd2c7eb835e2e4e8ab8c0ce97
• https://git.kernel.org/stable/c/f2cf475d23b8486dfa414f7ac09f918ffd3c32a5
• https://git.kernel.org/stable/c/f851e03bce968ff9b3faad1b616062e1244fd38d

Get alerted when CVE-2026-45982 or the next vulnerability affects your stack