# btrfs: do not force reloc root creation during qgroup_account_snapshot()

CVE record · `CVE-2026-98080`

- **Identifiers:** `CVE-2026-98080`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 25 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 25 Sept 2026, 10:24 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: `4d31778aa2fa342f5f92ca4025b293a1729161d1 to before d0284d974be46a0a06068f930c84039d540ae8ed` (git)
  - affected: `4d31778aa2fa342f5f92ca4025b293a1729161d1 to before 21bd77c132f18dc21c6fcdf417310d1adcf7448b` (git)
  - affected: `4d31778aa2fa342f5f92ca4025b293a1729161d1 to before 7ce02d52548b672795511c2cac8da6ec79ac8877` (git)
  - affected: `4d31778aa2fa342f5f92ca4025b293a1729161d1 to before 7caaae233a55e167063f4cfa3385b1a04c8bbecb` (git)
  - affected: `4d31778aa2fa342f5f92ca4025b293a1729161d1 to before c4c78768d1a8ceb713693cc5524acbe984c31f3c` (git)
  - affected: `4d31778aa2fa342f5f92ca4025b293a1729161d1 to before 203cbfb4fba590bd9b08bd36fa6d05b5d28923bf` (git)
  - affected: `4d31778aa2fa342f5f92ca4025b293a1729161d1 to before b5d5ab5a715001dd937c920ef8c5688fd4999ba1` (git)
  - affected: `4d31778aa2fa342f5f92ca4025b293a1729161d1 to before cacf35832292997018837e484283f95a9301ebf5` (git)
  - affected: `204bfcda824428b3a298eae8e87875bbd435a3c1` (git)
  - affected: `1f586802bb18892d2a6eb7d31d7fed78946d21a1` (git)
  - affected: `4.14.45 to before 4.15` (semver)
  - affected: `4.16.13 to before 4.17` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.17`
  - unaffected: `before 4.17` (semver)
  - unaffected: `5.10.271 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.222 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.189 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.158 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.111 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.53 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.7 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:** 0.0013, the 2nd percentile, on 12 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 25 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98080](https://www.cve.org/CVERecord?id=CVE-2026-98080)
- [NVD: CVE-2026-98080](https://nvd.nist.gov/vuln/detail/CVE-2026-98080)

### References from the CNA

- <https://git.kernel.org/stable/c/d0284d974be46a0a06068f930c84039d540ae8ed>
- <https://git.kernel.org/stable/c/21bd77c132f18dc21c6fcdf417310d1adcf7448b>
- <https://git.kernel.org/stable/c/7ce02d52548b672795511c2cac8da6ec79ac8877>
- <https://git.kernel.org/stable/c/7caaae233a55e167063f4cfa3385b1a04c8bbecb>
- <https://git.kernel.org/stable/c/c4c78768d1a8ceb713693cc5524acbe984c31f3c>
- <https://git.kernel.org/stable/c/203cbfb4fba590bd9b08bd36fa6d05b5d28923bf>
- <https://git.kernel.org/stable/c/b5d5ab5a715001dd937c920ef8c5688fd4999ba1>
- <https://git.kernel.org/stable/c/cacf35832292997018837e484283f95a9301ebf5>

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-2026-98080>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98080/>. Everything for agents: <https://agentprime.io/llms.txt>.