# nvmet-tcp: check INIT_FAILED before nvmet_req_uninit in digest error path

CVE record · `CVE-2026-64534`

- **Identifiers:** `CVE-2026-64534`
- **State:** Confirmed
- **Severity:** CVSS 9.8 Critical
- **Critical:** Yes: CVSS 9+
- **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:** 27 Jul 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 27 Jul 2026, 06:32 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.

## 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: `91edfca6f8b364d60cde3ddefaf7d03ddf35774b to before 22ec7a9fe9153d2737ee9b2fa6d2e43a1491decf` (git)
  - affected: `fda871c0ba5d2eed2cd1c881573168129da70058 to before ba35b1c674ca3841c0dfadd698f2c1b3ec542d4e` (git)
  - affected: `fda871c0ba5d2eed2cd1c881573168129da70058 to before c7874dad84b20433c0fe3919f291a762d40de08b` (git)
  - affected: `fda871c0ba5d2eed2cd1c881573168129da70058 to before e602c93b25bda4a9d0ff1791a4bdbfdcbb074af1` (git)
  - affected: `fda871c0ba5d2eed2cd1c881573168129da70058 to before d306da8833e75f669d93424fd84940236f3850bc` (git)
  - affected: `fda871c0ba5d2eed2cd1c881573168129da70058 to before 2ed3c9d955e8cd6361f130623baa664a75fb345f` (git)
  - affected: `fda871c0ba5d2eed2cd1c881573168129da70058 to before 4606467a75cfc16721937272ed29462a750b60c8` (git)
  - affected: `4b17476d809273617d3317fa0d4ae78aa488d760` (git)
  - affected: `5.10.20 to before 5.10.261` (semver)
  - affected: `5.11.3 to before 5.12` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.12`
  - unaffected: `before 5.12` (semver)
  - unaffected: `5.10.261 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.212 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.178 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 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:** 0.0032, the 25th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 27 Jul 2026, 08:16 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-64534)

## Sources

- [CVE List: CVE-2026-64534](https://www.cve.org/CVERecord?id=CVE-2026-64534)
- [NVD: CVE-2026-64534](https://nvd.nist.gov/vuln/detail/CVE-2026-64534)

### References from the CNA

- <https://git.kernel.org/stable/c/22ec7a9fe9153d2737ee9b2fa6d2e43a1491decf>
- <https://git.kernel.org/stable/c/ba35b1c674ca3841c0dfadd698f2c1b3ec542d4e>
- <https://git.kernel.org/stable/c/c7874dad84b20433c0fe3919f291a762d40de08b>
- <https://git.kernel.org/stable/c/e602c93b25bda4a9d0ff1791a4bdbfdcbb074af1>
- <https://git.kernel.org/stable/c/d306da8833e75f669d93424fd84940236f3850bc>
- <https://git.kernel.org/stable/c/2ed3c9d955e8cd6361f130623baa664a75fb345f>
- <https://git.kernel.org/stable/c/4606467a75cfc16721937272ed29462a750b60c8>

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-2026-64534>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-64534/>. Everything for agents: <https://agentprime.io/llms.txt>.