# LoongArch: BPF: Refactor jump offset calculation in tail call

CVE record · `CVE-2026-89906`

- **Identifiers:** `CVE-2026-89906`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 16 Sept 2026
- **Updated:** 21 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:32 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: `17c010fe45def335fe03a0718935416b04c7f349 to before 50fbc294e4e96246d60cd66f98acf043a362e3a0` (git)
  - affected: `f83d469e16bb1f75991ca67c56786fb2aaa42bea to before 89819868cde78cb2f748533785a46a3430873f20` (git)
  - affected: `cd39d9e6b7e4c58fa77783e7aedf7ada51d02ea3 to before 882b8912b7e92341fdb115ba0e2e5142a28684ff` (git)
  - affected: `cd39d9e6b7e4c58fa77783e7aedf7ada51d02ea3 to before 96f44d493c280ea161569c43d7ed0f3b0815803a` (git)
  - affected: `cd39d9e6b7e4c58fa77783e7aedf7ada51d02ea3 to before 37d545d12f21c4d50612ecaebd7ae1e5bf91b2d8` (git)
  - affected: `1a782fa32e644aa9fbae6c8488f3e61221ac96e1` (git)
  - affected: `f2b5e50cc04d7a049b385bc1c93b9cbf5f10c94f` (git)
  - affected: `9262e3e04621558e875eb5afb5e726b648cd5949` (git)
  - affected: `6.6.103 to before 6.6.160` (semver)
  - affected: `6.12.43 to before 6.12.114` (semver)
  - affected: `6.1.149 to before 6.2` (semver)
  - affected: `6.15.11 to before 6.16` (semver)
  - and 1 more
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.17`
  - unaffected: `before 6.17` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.114 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.51 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.5 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

- 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)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0018, the 7th percentile, on 15 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 16 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-89906](https://www.cve.org/CVERecord?id=CVE-2026-89906)
- [NVD: CVE-2026-89906](https://nvd.nist.gov/vuln/detail/CVE-2026-89906)

### References from the CNA

- <https://git.kernel.org/stable/c/50fbc294e4e96246d60cd66f98acf043a362e3a0>
- <https://git.kernel.org/stable/c/89819868cde78cb2f748533785a46a3430873f20>
- <https://git.kernel.org/stable/c/882b8912b7e92341fdb115ba0e2e5142a28684ff>
- <https://git.kernel.org/stable/c/96f44d493c280ea161569c43d7ed0f3b0815803a>
- <https://git.kernel.org/stable/c/37d545d12f21c4d50612ecaebd7ae1e5bf91b2d8>

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-2026-89906>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89906/>. Everything for agents: <https://agentprime.io/llms.txt>.