# iio: buffer: Ensure bounce buffer used for unaligned case is zeroed.

CVE record · `CVE-2026-98668`

- **Identifiers:** `CVE-2026-98668`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 18 Oct 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:44 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6 to before b953b8d5e6f2d53e81faa0f3b42856cdf16fe563` (git)
  - affected: `95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6 to before b4f53cec8cc94b37601ce0bb2b272b6753beed98` (git)
  - affected: `95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6 to before b5c2f21f645e40c70fda2a4283e6f2a81e5cb9f2` (git)
  - affected: `95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6 to before b134ef820610bd873c9d59999d9824710964ce82` (git)
  - affected: `95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6 to before 3a87212b1a09a1fdd730ce5520f7b1fc0b488511` (git)
  - affected: `95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6 to before 5330036bc68d23672bfcc16c60c54701ae123083` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.16`
  - unaffected: `before 5.16` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.113 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.56 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.10 to 7.2.*, inclusive` (semver)
  - unaffected: `7.3 to *, inclusive` (original_commit_for_fix)
  - Other versions: affected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0017, the 6th percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 18 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98668](https://www.cve.org/CVERecord?id=CVE-2026-98668)
- [NVD: CVE-2026-98668](https://nvd.nist.gov/vuln/detail/CVE-2026-98668)

### References from the CNA

- <https://git.kernel.org/stable/c/b953b8d5e6f2d53e81faa0f3b42856cdf16fe563>
- <https://git.kernel.org/stable/c/b4f53cec8cc94b37601ce0bb2b272b6753beed98>
- <https://git.kernel.org/stable/c/b5c2f21f645e40c70fda2a4283e6f2a81e5cb9f2>
- <https://git.kernel.org/stable/c/b134ef820610bd873c9d59999d9824710964ce82>
- <https://git.kernel.org/stable/c/3a87212b1a09a1fdd730ce5520f7b1fc0b488511>
- <https://git.kernel.org/stable/c/5330036bc68d23672bfcc16c60c54701ae123083>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-98668>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98668/>. Everything for agents: <https://agentprime.io/llms.txt>.