# mtd: part: reject MTDPART_OFS_RETAIN in mtd_add_partition()

CVE record · `CVE-2026-93048`

- **Identifiers:** `CVE-2026-93048`
- **State:** Confirmed
- **Severity:** No CVSS score
- **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, 16:10 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: `1a31368bf92ef2a7da3ba379672c405bd2751df9 to before 701c3ae7273e1adc20db5d97c42e0139b479f16b` (git)
  - affected: `1a31368bf92ef2a7da3ba379672c405bd2751df9 to before 6aaab2ace3f7b55733d904e5549acf8405f03642` (git)
  - affected: `1a31368bf92ef2a7da3ba379672c405bd2751df9 to before 181c1bff940e7d3e34ca485d37e3cdbfe409203c` (git)
  - affected: `1a31368bf92ef2a7da3ba379672c405bd2751df9 to before a536eb57be58442b19398b2783071007ecfb1735` (git)
  - affected: `1a31368bf92ef2a7da3ba379672c405bd2751df9 to before e204e5c49a012f99638633fdbd773e3c86260053` (git)
  - affected: `1a31368bf92ef2a7da3ba379672c405bd2751df9 to before 398aca2f90122d5abbabff1079deaeb885fe9e40` (git)
  - affected: `1a31368bf92ef2a7da3ba379672c405bd2751df9 to before c645f6dd1af2ecc70fd3578e141f2f71fa9e4eff` (git)
  - affected: `1a31368bf92ef2a7da3ba379672c405bd2751df9 to before b759d5bb6265419344ee9729fd0dc07ad85719d8` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.2`
  - unaffected: `before 3.2` (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

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0022, the 12th percentile, on 14 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-2026-93048](https://www.cve.org/CVERecord?id=CVE-2026-93048)
- [NVD: CVE-2026-93048](https://nvd.nist.gov/vuln/detail/CVE-2026-93048)

### References from the CNA

- <https://git.kernel.org/stable/c/701c3ae7273e1adc20db5d97c42e0139b479f16b>
- <https://git.kernel.org/stable/c/6aaab2ace3f7b55733d904e5549acf8405f03642>
- <https://git.kernel.org/stable/c/181c1bff940e7d3e34ca485d37e3cdbfe409203c>
- <https://git.kernel.org/stable/c/a536eb57be58442b19398b2783071007ecfb1735>
- <https://git.kernel.org/stable/c/e204e5c49a012f99638633fdbd773e3c86260053>
- <https://git.kernel.org/stable/c/398aca2f90122d5abbabff1079deaeb885fe9e40>
- <https://git.kernel.org/stable/c/c645f6dd1af2ecc70fd3578e141f2f71fa9e4eff>
- <https://git.kernel.org/stable/c/b759d5bb6265419344ee9729fd0dc07ad85719d8>

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-2026-93048>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-93048/>. Everything for agents: <https://agentprime.io/llms.txt>.