fpga: altera-cvp: Avoid out-of-bounds read in trailing byte write
Noroxi assessment
Priority: Monitor (action score 0/100)
- The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
- Probability of exploitation in the next 30 days: 0.21% (FIRST EPSS).
- Fixed version: Linux Linux 2564ac3d3b8b47cd9692a5bf42d668ed7218b54e, 3b8938f5fbcf4a918785f9cb4b108782eb4ea717, 447b3c893987a0106a65f04b62ec3271892e9d98.
- Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).
Low priority for now. Upgrade to Linux Linux 2564ac3d3b8b47cd9692a5bf42d668ed7218b54e, 3b8938f5fbcf4a918785f9cb4b108782eb4ea717, 447b3c893987a0106a65f04b62ec3271892e9d98 or later.
Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it
Primary sources: NVD · CVE.org · FIRST EPSS
In the Linux kernel, the following vulnerability has been resolved: fpga: altera-cvp: Avoid out-of-bounds read in trailing byte write The trailing byte path in altera_cvp_send_block() dereferences a u32 pointer even when only 1-3 bytes remain in the input buffer. If the buffer ends at a page or scatterlist boundary, this can read past the valid image data and fault. Copy the remaining bytes into a zero-initialized u32 before writing the final word so only valid bytes are read from the input buffer.
- Published
- Sep 11, 2026
- Updated
- Sep 14, 2026
- EPSS
- 0.2% · 11th percentile
- CWE
- —
Report tools
Action score
0
Monitor
Low priority for now.
- CVSS
- 0 / 40 · —
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.2%
Get told when this record changes
- Not in KEV: no record of exploitation in the wild
- No public exploit code on record
- A fix has been released
If any of these changes, we'll tell you in the daily email digest.
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Noroxi analysis
What does it mean in your environment?
The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.
We use this product, ask for helpAffected systems
Is your version affected?
Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.
—
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
- 4.14affected
- 34d1dc17ce978ae76e676d401b48fe9d004aa948 and later · before 447b3c893987a0106a65f04b62ec3271892e9d98affected · git
- 34d1dc17ce978ae76e676d401b48fe9d004aa948 and later · before 3b8938f5fbcf4a918785f9cb4b108782eb4ea717affected · git
- 34d1dc17ce978ae76e676d401b48fe9d004aa948 and later · before 2564ac3d3b8b47cd9692a5bf42d668ed7218b54eaffected · git
- 34d1dc17ce978ae76e676d401b48fe9d004aa948 and later · before 8f3365ed2a5db2ac95ab70a6c47561db39d24537affected · git
- 34d1dc17ce978ae76e676d401b48fe9d004aa948 and later · before b138bc665e21d4422382ab43aebdf0a2b7bb9cb3affected · git
- 34d1dc17ce978ae76e676d401b48fe9d004aa948 and later · before 827ec385458adeeda651de2b6f3537e386b1a8d9affected · git
- 34d1dc17ce978ae76e676d401b48fe9d004aa948 and later · before 4dc1051939e499c838229af035464a5fc7671198affected · git
- 34d1dc17ce978ae76e676d401b48fe9d004aa948 and later · before 9da70a43b5fea60d758137f7f0ccfe19356cb5bbaffected · git
- before 4.14not 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:12 | linux-6.12 | before 6.12.111-1~deb12u1 | 6.12.111-1~deb12u1 |
| 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 | 2564ac3d3b8b47cd9692a5bf42d668ed7218b54e | Vendor (CNA) |
| Linux Linux | 3b8938f5fbcf4a918785f9cb4b108782eb4ea717 | Vendor (CNA) |
| Linux Linux | 447b3c893987a0106a65f04b62ec3271892e9d98 | Vendor (CNA) |
| Linux Linux | 4dc1051939e499c838229af035464a5fc7671198 | Vendor (CNA) |
| Linux Linux | 827ec385458adeeda651de2b6f3537e386b1a8d9 | Vendor (CNA) |
| Linux Linux | 8f3365ed2a5db2ac95ab70a6c47561db39d24537 | Vendor (CNA) |
| Linux Linux | 9da70a43b5fea60d758137f7f0ccfe19356cb5bb | Vendor (CNA) |
| Linux Linux | b138bc665e21d4422382ab43aebdf0a2b7bb9cb3 | Vendor (CNA) |
| debian:linux | 6.12.111-1 · Debian:13 | Package registry (OSV) |
| debian:linux-6.12 | 6.12.111-1~deb12u1 · Debian:12 | 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).
National notice (Türkiye Cybersecurity Directorate / USOM)
Official security notices citing this record; remediation advice is on the agency's page.
- TR-26-1085 · Sep 14, 2026(Linux Kernel Güvenlik Bildirimi)
Technical details
No CVSS vector for this record, so attack conditions can't be derived.
Weakness class (CWE)
—
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
Show all references (7 more)Show less
- git.kernel.org/stable/c/3b8938f5fbcf4a918785f9cb4b108782eb4ea717
- git.kernel.org/stable/c/447b3c893987a0106a65f04b62ec3271892e9d98
- git.kernel.org/stable/c/4dc1051939e499c838229af035464a5fc7671198
- git.kernel.org/stable/c/827ec385458adeeda651de2b6f3537e386b1a8d9
- git.kernel.org/stable/c/8f3365ed2a5db2ac95ab70a6c47561db39d24537
- git.kernel.org/stable/c/9da70a43b5fea60d758137f7f0ccfe19356cb5bb
- git.kernel.org/stable/c/b138bc665e21d4422382ab43aebdf0a2b7bb9cb3
Vendor advisories and official records. Exploit/PoC links are deliberately left out.