Medium 5.5Published May 27, 2026

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

Updated under an hour ago (Oct 26, 2026, 3:30 PM ET)

Does this affect you?

It affects Linux and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Linux

Exploited in the last 30 days

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.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: May 27, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 0acf24ad7e10f547809faefb8069f8f5482eb4d9 before 7d99cbe717c1b15a66559215df32312d8cf7e525; from 0acf24ad7e10f547809faefb8069f8f5482eb4d9 before f2cf475d23b8486dfa414f7ac09f918ffd3c32a5; from 0acf24ad7e10f547809faefb8069f8f5482eb4d9 before cce354524da4d10fd2c7eb835e2e4e8ab8c0ce97; from 0acf24ad7e10f547809faefb8069f8f5482eb4d9 before b24595b86920911d2b04f862422b896a0620e9ad; from 0acf24ad7e10f547809faefb8069f8f5482eb4d9 before 56024dbe8c76cff22f53ba81a95d9efd4d0c9c44; from 0acf24ad7e10f547809faefb8069f8f5482eb4d9 before f851e03bce968ff9b3faad1b616062e1244fd38d	CNA record
linux linux_kernel linux: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	NVD

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.