# pktgen: Avoid out-of-bounds access in get_imix_entries

CVE record · `CVE-2025-21680`

- **Identifiers:** `CVE-2025-21680`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Weakness (CWE):** [CWE-129](https://cwe.mitre.org/data/definitions/129.html)
- **Tags:** [CWE-129](https://agentprime.io/advisories/tag/cwe-129.md)
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 31 Jan 2025
- **Updated:** 5 Aug 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 31 Jan 2025, 11:25 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: `52a62f8603f97e720882c8f5aff2767ac6a11d5f to before 3450092cc2d1c311c5ea92a2486daa2a33520ea5` (git)
  - affected: `52a62f8603f97e720882c8f5aff2767ac6a11d5f to before e5d24a7074dcd0c7e76b7e7e4efbbe7418d62486` (git)
  - affected: `52a62f8603f97e720882c8f5aff2767ac6a11d5f to before 7cde21f52042aa2e29a654458166b873d2ae66b3` (git)
  - affected: `52a62f8603f97e720882c8f5aff2767ac6a11d5f to before 1a9b65c672ca9dc4ba52ca2fd54329db9580ce29` (git)
  - affected: `52a62f8603f97e720882c8f5aff2767ac6a11d5f to before 76201b5979768500bca362871db66d77cb4c225e` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.15`
  - unaffected: `before 5.15` (semver)
  - unaffected: `5.15.177 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.127 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.74 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.11 to 6.12.*, inclusive` (semver)
  - unaffected: `6.13 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

- 7.8 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`, from CNA (Linux) (used for this record)
- 7.8 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`, from ADP (CISA-ADP)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0022, the 13th 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 31 Jan 2025. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2025-21680](https://www.cve.org/CVERecord?id=CVE-2025-21680)
- [NVD: CVE-2025-21680](https://nvd.nist.gov/vuln/detail/CVE-2025-21680)

### References from the CNA

- <https://git.kernel.org/stable/c/3450092cc2d1c311c5ea92a2486daa2a33520ea5>
- <https://git.kernel.org/stable/c/e5d24a7074dcd0c7e76b7e7e4efbbe7418d62486>
- <https://git.kernel.org/stable/c/7cde21f52042aa2e29a654458166b873d2ae66b3>
- <https://git.kernel.org/stable/c/1a9b65c672ca9dc4ba52ca2fd54329db9580ce29>
- <https://git.kernel.org/stable/c/76201b5979768500bca362871db66d77cb4c225e>

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-2025-21680>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2025-21680/>. Everything for agents: <https://agentprime.io/llms.txt>.