# xfs: fix cursor and pointer handling when recovering iunlink buckets

CVE record · `CVE-2026-98443`

- **Identifiers:** `CVE-2026-98443`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **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, 15:14 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: `04755d2e5821b3afbaadd09fe5df58d04de36484 to before 8cfde7b2fb7288f4f6b90293e8702ff897c682fe` (git)
  - affected: `04755d2e5821b3afbaadd09fe5df58d04de36484 to before 47a948ba653a463d429e02fda2f06a3d6b78666d` (git)
  - affected: `04755d2e5821b3afbaadd09fe5df58d04de36484 to before 8c9d5b8a96d6b93eb24e07b4163c89341ba29bd1` (git)
  - affected: `04755d2e5821b3afbaadd09fe5df58d04de36484 to before 66a2179d02668f8df44b1a249899006f3ba38ea0` (git)
  - affected: `04755d2e5821b3afbaadd09fe5df58d04de36484 to before 961c717e6bf0e53c2c2b1fe4aef1add9390fedab` (git)
  - affected: `04755d2e5821b3afbaadd09fe5df58d04de36484 to before 65f39d09d73718611cee40399179323b5d4ead00` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.0`
  - unaffected: `before 6.0` (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: `6.18.55 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

- 7.8 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0014, the 3rd percentile, on 9 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-2026-98443](https://www.cve.org/CVERecord?id=CVE-2026-98443)
- [NVD: CVE-2026-98443](https://nvd.nist.gov/vuln/detail/CVE-2026-98443)

### References from the CNA

- <https://git.kernel.org/stable/c/8cfde7b2fb7288f4f6b90293e8702ff897c682fe>
- <https://git.kernel.org/stable/c/47a948ba653a463d429e02fda2f06a3d6b78666d>
- <https://git.kernel.org/stable/c/8c9d5b8a96d6b93eb24e07b4163c89341ba29bd1>
- <https://git.kernel.org/stable/c/66a2179d02668f8df44b1a249899006f3ba38ea0>
- <https://git.kernel.org/stable/c/961c717e6bf0e53c2c2b1fe4aef1add9390fedab>
- <https://git.kernel.org/stable/c/65f39d09d73718611cee40399179323b5d4ead00>

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-2026-98443>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98443/>. Everything for agents: <https://agentprime.io/llms.txt>.