# of/overlay: put property on deadprops only after changeset add succeeds

CVE record · `CVE-2026-98855`

- **Identifiers:** `CVE-2026-98855`
- **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, 15:51 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: `f96278810150fc39085d1872e5b39ea06366d03e to before 004a0ee2e5315f1245775b369fcb940e8cda3807` (git)
  - affected: `f96278810150fc39085d1872e5b39ea06366d03e to before f6f70b12ae3e4074e4cd3f42cd66fd482ce7a4b5` (git)
  - affected: `f96278810150fc39085d1872e5b39ea06366d03e to before 50c3663790c61648a51f197970f660fd543269a7` (git)
  - affected: `f96278810150fc39085d1872e5b39ea06366d03e to before 936f1ffcb87a1c50938a21176a6463af162cf4b5` (git)
  - affected: `f96278810150fc39085d1872e5b39ea06366d03e to before d5151496a0a2b19c9c0c7b0ebf86b3de55a8fa3a` (git)
  - affected: `f96278810150fc39085d1872e5b39ea06366d03e to before 7dc6a769153c0457077a0da4888a00f61e66de15` (git)
  - affected: `f96278810150fc39085d1872e5b39ea06366d03e to before 5857035a3b53a4e7b5a0d5a740189901ece0b079` (git)
  - affected: `f96278810150fc39085d1872e5b39ea06366d03e to before 814f2da6995772c07a7c9c2cc6028b6e3f3ecc9c` (git)
  - affected: `b52ca352489be8beb7de3a8181509a0deaf72e21` (git)
  - affected: `4.19.49 to before 4.20` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.0`
  - unaffected: `before 5.0` (semver)
  - unaffected: `5.10.273 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.224 to 5.15.*, inclusive` (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:** 0.0020, the 10th percentile, on 6 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-2026-98855](https://www.cve.org/CVERecord?id=CVE-2026-98855)
- [NVD: CVE-2026-98855](https://nvd.nist.gov/vuln/detail/CVE-2026-98855)

### References from the CNA

- <https://git.kernel.org/stable/c/004a0ee2e5315f1245775b369fcb940e8cda3807>
- <https://git.kernel.org/stable/c/f6f70b12ae3e4074e4cd3f42cd66fd482ce7a4b5>
- <https://git.kernel.org/stable/c/50c3663790c61648a51f197970f660fd543269a7>
- <https://git.kernel.org/stable/c/936f1ffcb87a1c50938a21176a6463af162cf4b5>
- <https://git.kernel.org/stable/c/d5151496a0a2b19c9c0c7b0ebf86b3de55a8fa3a>
- <https://git.kernel.org/stable/c/7dc6a769153c0457077a0da4888a00f61e66de15>
- <https://git.kernel.org/stable/c/5857035a3b53a4e7b5a0d5a740189901ece0b079>
- <https://git.kernel.org/stable/c/814f2da6995772c07a7c9c2cc6028b6e3f3ecc9c>

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-2026-98855>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98855/>. Everything for agents: <https://agentprime.io/llms.txt>.