ACPICA: Prevent adding invalid references
In the Linux kernel, the following vulnerability has been resolved: ACPICA: Prevent adding invalid references Prevent adding references for local, argument, and debug objects in acpi_ut_copy_simple_object().
- Published
- Sep 24, 2026
- Updated
- Oct 3, 2026
- EPSS
- 0.1% · 3th percentile
- CWE
- —
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Report tools
Action score
33
Monitor
Low priority for now.
- CVSS
- 33 / 40 · 8.4 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.1%
CNA vs NVD score
- NVD
- —
- CNA · Linux
- 8.4
- NVD has not scored this yet; the score shown is the CNA’s.
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
—
Versions reported by the vendor
Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.
Linux Linux
- 2.6.12affected
- 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 2350a6f89eca45f9219f37b331e4083f96299996affected · git
- 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 61cb905c33d0e0c6ff3c9c90fb269331bce8c2c0affected · git
- 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before d239ccf5069f892cc36b9befafda030b3ca789e6affected · git
- 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before c2cf936b07b0a298637e56e53ef043c7ff8eee31affected · git
- 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before e16d1e5fcb17dfc369e20095f8cf5e841101279eaffected · git
- 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before a6cd2fc2d5429a5b7d5a8b9ba0e6663e8ccbc9baaffected · git
- 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 6e8c55e13a5e3a9f38921d62924f18ceba3330ebaffected · git
- before 2.6.12not affected · semver
- 5.10.271 and later · up to and including 5.10.*not affected · semver
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | linux | all versions | — |
| Debian:13 | linux | before 6.12.111-1 | 6.12.111-1 |
| Debian:14 | linux | before 7.2.6-1 | 7.2.6-1 |
Same product
linux: all recordsOther highest-scoring records for the same primary product.
- CVE-2026-74705udp: fix potential use-after-free in tunnel segmentation40Plan
- CVE-2026-74612veth: fix skb length accounting after XDP frag adjustment40Plan
- CVE-2026-74475vxlan: use neigh_ha_snapshot() in route_shortcircuit()40Plan
- CVE-2026-74309vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler40Plan
- CVE-2026-74280crypto: marvell/octeontx - fix DMA cleanup using wrong loop index40Plan
- CVE-2026-74279crypto: cavium/cpt - fix DMA cleanup using wrong loop index40Plan
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| Linux Linux | 2350a6f89eca45f9219f37b331e4083f96299996 | Vendor (CNA) |
| Linux Linux | 61cb905c33d0e0c6ff3c9c90fb269331bce8c2c0 | Vendor (CNA) |
| Linux Linux | 6e8c55e13a5e3a9f38921d62924f18ceba3330eb | Vendor (CNA) |
| Linux Linux | a6cd2fc2d5429a5b7d5a8b9ba0e6663e8ccbc9ba | Vendor (CNA) |
| Linux Linux | c2cf936b07b0a298637e56e53ef043c7ff8eee31 | Vendor (CNA) |
| Linux Linux | d239ccf5069f892cc36b9befafda030b3ca789e6 | Vendor (CNA) |
| Linux Linux | e16d1e5fcb17dfc369e20095f8cf5e841101279e | Vendor (CNA) |
| azl3 kernel 6.6.157.1-1 on Azure Linux 3.0 | Release Notes | Microsoft (MSRC) |
| debian:linux | 6.12.111-1 · Debian:13 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
—
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- git.kernel.org/stable/c/2350a6f89eca45f9219f37b331e4083f96299996
- git.kernel.org/stable/c/61cb905c33d0e0c6ff3c9c90fb269331bce8c2c0
- git.kernel.org/stable/c/6e8c55e13a5e3a9f38921d62924f18ceba3330eb
- git.kernel.org/stable/c/a6cd2fc2d5429a5b7d5a8b9ba0e6663e8ccbc9ba
- git.kernel.org/stable/c/c2cf936b07b0a298637e56e53ef043c7ff8eee31
- git.kernel.org/stable/c/d239ccf5069f892cc36b9befafda030b3ca789e6
- git.kernel.org/stable/c/e16d1e5fcb17dfc369e20095f8cf5e841101279e
Vendor advisories and official records. Exploit/PoC links are deliberately left out.