# tracing/osnoise: Call synchronize_rcu() when unregistering

CVE record · `CVE-2026-72012`

- **Identifiers:** `CVE-2026-72012`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Weakness (CWE):** [CWE-667](https://cwe.mitre.org/data/definitions/667.html)
- **Tags:** [CWE-667](https://agentprime.io/advisories/tag/cwe-667.md)
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 15 Aug 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 15 Aug 2026, 05:51 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: `a6ed2aee54644cfa2d04ca86308767f5c3a087e8 to before 428cedade9b2cc8e48f00742df0cfd770e77a803` (git)
  - affected: `a6ed2aee54644cfa2d04ca86308767f5c3a087e8 to before 3c693635bb7b3a9b6645831a84fed2af46cdf249` (git)
  - affected: `a6ed2aee54644cfa2d04ca86308767f5c3a087e8 to before 38366140dc8ee3568c7f0191d517e117963bd580` (git)
  - affected: `a6ed2aee54644cfa2d04ca86308767f5c3a087e8 to before fad36954b29592ce463254179c3043697678481f` (git)
  - affected: `a6ed2aee54644cfa2d04ca86308767f5c3a087e8 to before dd0160a0842337f12e7694d68b184050afc6d3a4` (git)
  - affected: `a6ed2aee54644cfa2d04ca86308767f5c3a087e8 to before fe58f457ad8d0a2bef4e053cfecca4b5cd266b1a` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.17`
  - unaffected: `before 5.17` (semver)
  - unaffected: `6.1.184 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.145 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.97 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.40 to 6.18.*, inclusive` (semver)
  - unaffected: `7.1.5 to 7.1.*, inclusive` (semver)
  - unaffected: `7.2 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:** 0.0013, the 2nd 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 15 Aug 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-72012](https://www.cve.org/CVERecord?id=CVE-2026-72012)
- [NVD: CVE-2026-72012](https://nvd.nist.gov/vuln/detail/CVE-2026-72012)

### References from the CNA

- <https://git.kernel.org/stable/c/428cedade9b2cc8e48f00742df0cfd770e77a803>
- <https://git.kernel.org/stable/c/3c693635bb7b3a9b6645831a84fed2af46cdf249>
- <https://git.kernel.org/stable/c/38366140dc8ee3568c7f0191d517e117963bd580>
- <https://git.kernel.org/stable/c/fad36954b29592ce463254179c3043697678481f>
- <https://git.kernel.org/stable/c/dd0160a0842337f12e7694d68b184050afc6d3a4>
- <https://git.kernel.org/stable/c/fe58f457ad8d0a2bef4e053cfecca4b5cd266b1a>

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-2026-72012>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-72012/>. Everything for agents: <https://agentprime.io/llms.txt>.