# batman-adv: bla: avoid CRC corruption due to parallel claim add

CVE record · `CVE-2026-93203`

- **Identifiers:** `CVE-2026-93203`
- **State:** Confirmed
- **Severity:** CVSS 7.1 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:12 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: `23721387c409087fd3b97e274f34d3ddc0970b74 to before 3d4a9ae2c69c0fe4c3c69587288241243bb7a39b` (git)
  - affected: `23721387c409087fd3b97e274f34d3ddc0970b74 to before ad982d925f00d860d2467811256ffadcccd9e4a7` (git)
  - affected: `23721387c409087fd3b97e274f34d3ddc0970b74 to before d5b0e7574da5a485f4dbec32a15911900a4487c2` (git)
  - affected: `23721387c409087fd3b97e274f34d3ddc0970b74 to before a3e07db74f22a85aeeb51c600da5c98b9cbca11f` (git)
  - affected: `23721387c409087fd3b97e274f34d3ddc0970b74 to before 1d390db003cbb52cdd86837608bff3794501a5ea` (git)
  - affected: `23721387c409087fd3b97e274f34d3ddc0970b74 to before 8bcfa58c4277bff1882a23547c37ab08aa1de12f` (git)
  - affected: `23721387c409087fd3b97e274f34d3ddc0970b74 to before e54602d9e38db8573f2097d60c7ea8be0a5af1fa` (git)
  - affected: `23721387c409087fd3b97e274f34d3ddc0970b74 to before 08645ab95768b88e2ff85a89211994651710465b` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.5`
  - unaffected: `before 3.5` (semver)
  - unaffected: `5.10.270 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.221 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.188 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.52 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 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

- 7.1 High, CVSS 3.1: `CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0034, the 27th percentile, on 13 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93203](https://www.cve.org/CVERecord?id=CVE-2026-93203)
- [NVD: CVE-2026-93203](https://nvd.nist.gov/vuln/detail/CVE-2026-93203)

### References from the CNA

- <https://git.kernel.org/stable/c/3d4a9ae2c69c0fe4c3c69587288241243bb7a39b>
- <https://git.kernel.org/stable/c/ad982d925f00d860d2467811256ffadcccd9e4a7>
- <https://git.kernel.org/stable/c/d5b0e7574da5a485f4dbec32a15911900a4487c2>
- <https://git.kernel.org/stable/c/a3e07db74f22a85aeeb51c600da5c98b9cbca11f>
- <https://git.kernel.org/stable/c/1d390db003cbb52cdd86837608bff3794501a5ea>
- <https://git.kernel.org/stable/c/8bcfa58c4277bff1882a23547c37ab08aa1de12f>
- <https://git.kernel.org/stable/c/e54602d9e38db8573f2097d60c7ea8be0a5af1fa>
- <https://git.kernel.org/stable/c/08645ab95768b88e2ff85a89211994651710465b>

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-2026-93203>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93203/>. Everything for agents: <https://agentprime.io/llms.txt>.