# HID: bpf: cast size to ssize_t when checking hid_bpf_hw_request

CVE record · `CVE-2026-98860`

- **Identifiers:** `CVE-2026-98860`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 18 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:51 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: `d6efaa50af62fb0790dd1fd4e7e5506b46312510 to before 8b85ef0f561039e249c3f883c5280a1449c6dbee` (git)
  - affected: `73c5b5aea1c443239c8cb4191b4af7a4bd6fd7b1 to before 97be6396817bd3b11d06239010d27902940bfaa9` (git)
  - affected: `2b658c1c442ec1cd9eec5ead98d68662c40fe645 to before f9f808227554b2c116fd07dd2328ecd74ea3f411` (git)
  - affected: `2b658c1c442ec1cd9eec5ead98d68662c40fe645 to before 3afefbfe55c2a8a0c4bdf6f4cc1f773da120027c` (git)
  - affected: `eb57dae20fdf6f3069cdc07821fa3bb46de381d7` (git)
  - affected: `6.12.78 to before 6.12.113` (semver)
  - affected: `6.18.20 to before 6.18.56` (semver)
  - affected: `6.19.10 to before 6.20` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `7.0`
  - unaffected: `before 7.0` (semver)
  - unaffected: `6.12.113 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.56 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.10 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:** 0.0016, the 4th percentile, on 8 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-2026-98860](https://www.cve.org/CVERecord?id=CVE-2026-98860)
- [NVD: CVE-2026-98860](https://nvd.nist.gov/vuln/detail/CVE-2026-98860)

### References from the CNA

- <https://git.kernel.org/stable/c/8b85ef0f561039e249c3f883c5280a1449c6dbee>
- <https://git.kernel.org/stable/c/97be6396817bd3b11d06239010d27902940bfaa9>
- <https://git.kernel.org/stable/c/f9f808227554b2c116fd07dd2328ecd74ea3f411>
- <https://git.kernel.org/stable/c/3afefbfe55c2a8a0c4bdf6f4cc1f773da120027c>

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-2026-98860>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98860/>. Everything for agents: <https://agentprime.io/llms.txt>.