# bpf: Fix linked reg delta tracking when src_reg == dst_reg

CVE record · `CVE-2026-53092`

- **Identifiers:** `CVE-2026-53092`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Weakness (CWE):** [CWE-393](https://cwe.mitre.org/data/definitions/393.html)
- **Tags:** [CWE-393](https://agentprime.io/advisories/tag/cwe-393.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.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `98d7ca374ba4b39e7535613d40e159f09ca14da2 to before 1509c1ae9185ec7103899967ed788b6eebab3fcc` (git)
  - affected: `98d7ca374ba4b39e7535613d40e159f09ca14da2 to before d88e8e4a3b52bd5b2ff3eceba4b29d1b5506d066` (git)
  - affected: `98d7ca374ba4b39e7535613d40e159f09ca14da2 to before cc86a8b0a1c54d2bccf6f68cf49b82dea91b84de` (git)
  - affected: `98d7ca374ba4b39e7535613d40e159f09ca14da2 to before d7f14173c0d5866c3cae759dee560ad1bed10d2e` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.11`
  - unaffected: `before 6.11` (semver)
  - unaffected: `6.12.105 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

- 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)
- 6.4 Medium, CVSS 3.1: `CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H`, from ADP (redhat-SADP)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0013, the 2nd percentile, on 7 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-2026-53092](https://www.cve.org/CVERecord?id=CVE-2026-53092)
- [NVD: CVE-2026-53092](https://nvd.nist.gov/vuln/detail/CVE-2026-53092)

### References from the CNA

- <https://git.kernel.org/stable/c/1509c1ae9185ec7103899967ed788b6eebab3fcc>
- <https://git.kernel.org/stable/c/d88e8e4a3b52bd5b2ff3eceba4b29d1b5506d066>
- <https://git.kernel.org/stable/c/cc86a8b0a1c54d2bccf6f68cf49b82dea91b84de>
- <https://git.kernel.org/stable/c/d7f14173c0d5866c3cae759dee560ad1bed10d2e>

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-2026-53092>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-53092/>. Everything for agents: <https://agentprime.io/llms.txt>.