ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()
Summary
| CVE | CVE-2026-45982 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-27 14:17:15 UTC |
| Updated | 2026-06-16 02:39:34 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 5.5 MEDIUM from [email protected]
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.000240000 probability, percentile 0.069940000 (date 2026-06-01)
Problem Types: CWE-476
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 0acf24ad7e10f547809faefb8069f8f5482eb4d9 7d99cbe717c1b15a66559215df32312d8cf7e525 git | Not specified |
| CNA | Linux | Linux | affected 0acf24ad7e10f547809faefb8069f8f5482eb4d9 f2cf475d23b8486dfa414f7ac09f918ffd3c32a5 git | Not specified |
| CNA | Linux | Linux | affected 0acf24ad7e10f547809faefb8069f8f5482eb4d9 cce354524da4d10fd2c7eb835e2e4e8ab8c0ce97 git | Not specified |
| CNA | Linux | Linux | affected 0acf24ad7e10f547809faefb8069f8f5482eb4d9 b24595b86920911d2b04f862422b896a0620e9ad git | Not specified |
| CNA | Linux | Linux | affected 0acf24ad7e10f547809faefb8069f8f5482eb4d9 56024dbe8c76cff22f53ba81a95d9efd4d0c9c44 git | Not specified |
| CNA | Linux | Linux | affected 0acf24ad7e10f547809faefb8069f8f5482eb4d9 f851e03bce968ff9b3faad1b616062e1244fd38d git | Not specified |
| CNA | Linux | Linux | affected 5.17 | Not specified |
| CNA | Linux | Linux | unaffected 5.17 semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.165 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.128 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.75 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.14 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.19.4 6.19.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/7d99cbe717c1b15a66559215df32312d8cf7e525 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/f2cf475d23b8486dfa414f7ac09f918ffd3c32a5 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/b24595b86920911d2b04f862422b896a0620e9ad | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/cce354524da4d10fd2c7eb835e2e4e8ab8c0ce97 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/f851e03bce968ff9b3faad1b616062e1244fd38d | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/56024dbe8c76cff22f53ba81a95d9efd4d0c9c44 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.