# dcache: don't put a mountpoint on a dentry that's being removed

CVE record · `CVE-2026-98984`

- **Identifiers:** `CVE-2026-98984`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 23 Oct 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 23 Oct 2026, 12:20 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: `1064f874abc0d05eeed8993815f584d847b72486 to before 25e3ce3e2ebdd8ed3fc19dc1f7e3bc487f9240f3` (git)
  - affected: `1064f874abc0d05eeed8993815f584d847b72486 to before 982d231ad863bb14f7bda4852ab942c0203cec4b` (git)
  - affected: `1064f874abc0d05eeed8993815f584d847b72486 to before 96ca40461d8b91e13061ec4afb59bae6f07a516a` (git)
  - affected: `1064f874abc0d05eeed8993815f584d847b72486 to before 5e6bfd9f249f2c74bb63c0f06ad959da3bee0971` (git)
  - affected: `1064f874abc0d05eeed8993815f584d847b72486 to before 793cb67b0f52d00c67bd0e76bc57455b5c70ebb8` (git)
  - affected: `1064f874abc0d05eeed8993815f584d847b72486 to before 390ddcea2a8aca411b931a8e2863a80ccca8d2b3` (git)
  - affected: `1064f874abc0d05eeed8993815f584d847b72486 to before 30a1625022411a387cce9239408ece9955bc9c58` (git)
  - affected: `1064f874abc0d05eeed8993815f584d847b72486 to before 75f4197f1e11d2eb75c2d6f916a7d4764db621e5` (git)
  - affected: `5e6ef5ef6eaf690faad3a7c6c665ebf45d7b6ccf` (git)
  - affected: `839d42687dfce0ed0ea2c6bd8d707cc0e276fbe7` (git)
  - affected: `808e83e5add13152bd4a88346487de68395c136b` (git)
  - affected: `6de9d08a9718ee9c12ba6343c50141c2d633e3dc` (git)
  - and 4 more
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.11`
  - unaffected: `before 4.11` (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: `6.18.57 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.11 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:** 0.0018, the 7th 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 23 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98984](https://www.cve.org/CVERecord?id=CVE-2026-98984)
- [NVD: CVE-2026-98984](https://nvd.nist.gov/vuln/detail/CVE-2026-98984)

### References from the CNA

- <https://git.kernel.org/stable/c/25e3ce3e2ebdd8ed3fc19dc1f7e3bc487f9240f3>
- <https://git.kernel.org/stable/c/982d231ad863bb14f7bda4852ab942c0203cec4b>
- <https://git.kernel.org/stable/c/96ca40461d8b91e13061ec4afb59bae6f07a516a>
- <https://git.kernel.org/stable/c/5e6bfd9f249f2c74bb63c0f06ad959da3bee0971>
- <https://git.kernel.org/stable/c/793cb67b0f52d00c67bd0e76bc57455b5c70ebb8>
- <https://git.kernel.org/stable/c/390ddcea2a8aca411b931a8e2863a80ccca8d2b3>
- <https://git.kernel.org/stable/c/30a1625022411a387cce9239408ece9955bc9c58>
- <https://git.kernel.org/stable/c/75f4197f1e11d2eb75c2d6f916a7d4764db621e5>

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-2026-98984>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98984/>. Everything for agents: <https://agentprime.io/llms.txt>.