# net: bcmgenet: fix off-by-one in bcmgenet_put_txcb

CVE record · `CVE-2026-53088`

- **Identifiers:** `CVE-2026-53088`
- **State:** Confirmed
- **Severity:** CVSS 9.8 Critical
- **Critical:** Yes: CVSS 9+
- **CNA:** Linux
- **Weakness (CWE):** [CWE-193](https://cwe.mitre.org/data/definitions/193.html)
- **Tags:** [CWE-193](https://agentprime.io/advisories/tag/cwe-193.md)
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 24 Jun 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 24 Jun 2026, 16:30 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.

## Critical

Critical, because:

- CVSS score 9.8: 9.0 or more.

How we decide what’s critical: <https://agentprime.io/advisories/critical.md>

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 to before 14e9f86564fff7bcf7f45c1b69080e837b31d185` (git)
  - affected: `876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 to before fb9a3c1f547d0ff024dbfe7b6f327626ddf0a3de` (git)
  - affected: `876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 to before 85f34ec320d3881badfd4edc5fee5cd5012bb54d` (git)
  - affected: `876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 to before 2a74590170427a3ca7cc4bb8690cdd559129c29c` (git)
  - affected: `876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 to before 29394f722f620281f2ee9a47f947734e53d72c90` (git)
  - affected: `876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 to before 4cab761fc51c65aef741fcece4a18f3554edbc09` (git)
  - affected: `876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 to before 72df896e31ddd06fcc5a789f025ad7a62a18bc9b` (git)
  - affected: `876dbadd53a7102e2a84afc84ea2bd3ee6dc5636 to before 57f3f53d2c9c5a9e133596e2f7bc1c50688a6d38` (git)
  - affected: `3bdf77194ea822390b405639b77659071fd2c2e9` (git)
  - affected: `3.16.50 to before 3.17` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.13`
  - unaffected: `before 4.13` (semver)
  - unaffected: `5.10.258 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.209 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.175 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.141 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.91 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.33 to 6.18.*, inclusive` (semver)
  - unaffected: `7.0.10 to 7.0.*, inclusive` (semver)
  - unaffected: `7.1 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

- 9.8 Critical, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0040, the 34th percentile, on 5 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 24 Jun 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-53088](https://www.cve.org/CVERecord?id=CVE-2026-53088)
- [NVD: CVE-2026-53088](https://nvd.nist.gov/vuln/detail/CVE-2026-53088)

### References from the CNA

- <https://git.kernel.org/stable/c/14e9f86564fff7bcf7f45c1b69080e837b31d185>
- <https://git.kernel.org/stable/c/fb9a3c1f547d0ff024dbfe7b6f327626ddf0a3de>
- <https://git.kernel.org/stable/c/85f34ec320d3881badfd4edc5fee5cd5012bb54d>
- <https://git.kernel.org/stable/c/2a74590170427a3ca7cc4bb8690cdd559129c29c>
- <https://git.kernel.org/stable/c/29394f722f620281f2ee9a47f947734e53d72c90>
- <https://git.kernel.org/stable/c/4cab761fc51c65aef741fcece4a18f3554edbc09>
- <https://git.kernel.org/stable/c/72df896e31ddd06fcc5a789f025ad7a62a18bc9b>
- <https://git.kernel.org/stable/c/57f3f53d2c9c5a9e133596e2f7bc1c50688a6d38>

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-2026-53088>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-53088/>. Everything for agents: <https://agentprime.io/llms.txt>.