# Bluetooth: btusb: Fix UAF of btusb_data by rx_work

CVE record · `CVE-2026-97977`

- **Identifiers:** `CVE-2026-97977`
- **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, 10:23 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: `800fe5ec302e1ebbf5e3f891f886deecd49c7132 to before fc654a72a8d979db15e2773a481e931abaf5a9e8` (git)
  - affected: `800fe5ec302e1ebbf5e3f891f886deecd49c7132 to before 5242050195a711e9cd6a9935f689ab6656b94a91` (git)
  - affected: `800fe5ec302e1ebbf5e3f891f886deecd49c7132 to before 472d005622525b7be155cac99dde2252b0163bd1` (git)
  - affected: `800fe5ec302e1ebbf5e3f891f886deecd49c7132 to before 93b59937bda3fffc6386c79f5544a39bc680c8e8` (git)
  - affected: `800fe5ec302e1ebbf5e3f891f886deecd49c7132 to before fa391adb9c755515a89993634745e9079e5ef37c` (git)
  - affected: `800fe5ec302e1ebbf5e3f891f886deecd49c7132 to before 1c12c3117639e78940959d956519c758c57d0849` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.17`
  - unaffected: `before 5.17` (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:** 0.0017, the 6th 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-2026-97977](https://www.cve.org/CVERecord?id=CVE-2026-97977)
- [NVD: CVE-2026-97977](https://nvd.nist.gov/vuln/detail/CVE-2026-97977)

### References from the CNA

- <https://git.kernel.org/stable/c/fc654a72a8d979db15e2773a481e931abaf5a9e8>
- <https://git.kernel.org/stable/c/5242050195a711e9cd6a9935f689ab6656b94a91>
- <https://git.kernel.org/stable/c/472d005622525b7be155cac99dde2252b0163bd1>
- <https://git.kernel.org/stable/c/93b59937bda3fffc6386c79f5544a39bc680c8e8>
- <https://git.kernel.org/stable/c/fa391adb9c755515a89993634745e9079e5ef37c>
- <https://git.kernel.org/stable/c/1c12c3117639e78940959d956519c758c57d0849>

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-2026-97977>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97977/>. Everything for agents: <https://agentprime.io/llms.txt>.