# vhost-vdpa: protect config_ctx from being freed under the config callback

CVE record · `CVE-2026-97992`

- **Identifiers:** `CVE-2026-97992`
- **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:** 21 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 25 Sept 2026, 10:23 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: `776f395004d829bbbf18c159ed9beb517a208c71 to before 914c7cc2e3d10dddd3c5529cbe56557c9e01702a` (git)
  - affected: `776f395004d829bbbf18c159ed9beb517a208c71 to before bf35c8948ab7a3eaf1f724fa1e870e3f73a1749b` (git)
  - affected: `776f395004d829bbbf18c159ed9beb517a208c71 to before 5a075ee2398929d5cc1393666f219c35332becb1` (git)
  - affected: `776f395004d829bbbf18c159ed9beb517a208c71 to before f4a93f15ed1c8406ba5c8e5b28cafacb2b3bcd11` (git)
  - affected: `776f395004d829bbbf18c159ed9beb517a208c71 to before 62be4e3e5f5f947fbf765b914cebdc478f715d12` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.8`
  - unaffected: `before 5.8` (semver)
  - unaffected: `6.6.160 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:** 0.0020, the 9th 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-2026-97992](https://www.cve.org/CVERecord?id=CVE-2026-97992)
- [NVD: CVE-2026-97992](https://nvd.nist.gov/vuln/detail/CVE-2026-97992)

### References from the CNA

- <https://git.kernel.org/stable/c/914c7cc2e3d10dddd3c5529cbe56557c9e01702a>
- <https://git.kernel.org/stable/c/bf35c8948ab7a3eaf1f724fa1e870e3f73a1749b>
- <https://git.kernel.org/stable/c/5a075ee2398929d5cc1393666f219c35332becb1>
- <https://git.kernel.org/stable/c/f4a93f15ed1c8406ba5c8e5b28cafacb2b3bcd11>
- <https://git.kernel.org/stable/c/62be4e3e5f5f947fbf765b914cebdc478f715d12>

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-2026-97992>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97992/>. Everything for agents: <https://agentprime.io/llms.txt>.