# writeback: bound cleanup_offline_cgwb() rescans by rotating scanned inodes

CVE record · `CVE-2026-98538`

- **Identifiers:** `CVE-2026-98538`
- **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:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:18 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: `c22d70a162d3cc177282c4487be4d54876ca55c8 to before 2d1da58c79b66646721a644c6eb4dd1f9c5c9327` (git)
  - affected: `c22d70a162d3cc177282c4487be4d54876ca55c8 to before c96b4d1628868e1195da1a896f79e06f350a3187` (git)
  - affected: `c22d70a162d3cc177282c4487be4d54876ca55c8 to before 624dd0931162523d70f9db8c120b5ec6429a9b97` (git)
  - affected: `c22d70a162d3cc177282c4487be4d54876ca55c8 to before dd4b92067238771b604b59fdda8efed6d70ee823` (git)
  - affected: `c22d70a162d3cc177282c4487be4d54876ca55c8 to before 9dac137bf77e0683778fb34c86e730c6129e8cb6` (git)
  - affected: `c22d70a162d3cc177282c4487be4d54876ca55c8 to before f6988c90671e83db79df1b7b9d6fdb0e5947fd84` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.14`
  - unaffected: `before 5.14` (semver)
  - unaffected: `6.1.189 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.158 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.55 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.9 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:** 0.0022, the 11th percentile, on 8 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-2026-98538](https://www.cve.org/CVERecord?id=CVE-2026-98538)
- [NVD: CVE-2026-98538](https://nvd.nist.gov/vuln/detail/CVE-2026-98538)

### References from the CNA

- <https://git.kernel.org/stable/c/2d1da58c79b66646721a644c6eb4dd1f9c5c9327>
- <https://git.kernel.org/stable/c/c96b4d1628868e1195da1a896f79e06f350a3187>
- <https://git.kernel.org/stable/c/624dd0931162523d70f9db8c120b5ec6429a9b97>
- <https://git.kernel.org/stable/c/dd4b92067238771b604b59fdda8efed6d70ee823>
- <https://git.kernel.org/stable/c/9dac137bf77e0683778fb34c86e730c6129e8cb6>
- <https://git.kernel.org/stable/c/f6988c90671e83db79df1b7b9d6fdb0e5947fd84>

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-2026-98538>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98538/>. Everything for agents: <https://agentprime.io/llms.txt>.