# md/raid5: round bitmap stripes with sector division

CVE record · `CVE-2026-90279`

- **Identifiers:** `CVE-2026-90279`
- **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, 16:08 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: `b29e6400be51c214a0ad30dce937348b57abe33a to before 9d7490007707f90691911385365bd1d691d99225` (git)
  - affected: `aa8e15d69f5c0044d5bff61844e163aacc4ac172 to before cab7d949b18b2f1cd625689dc16c5f81236bac93` (git)
  - affected: `9c89f604476cf15c31fbbdb043cff7fbf1dbe0cb to before 02c10581866d08822c6348e299881485fc546185` (git)
  - affected: `9c89f604476cf15c31fbbdb043cff7fbf1dbe0cb to before ccbdc483eb041eef809e9ff223d1ad63518a2c52` (git)
  - affected: `9c89f604476cf15c31fbbdb043cff7fbf1dbe0cb to before 17ea021ae74987d6064c8195c4922fa025753892` (git)
  - affected: `a41a0df5d7638acf15e723ad985980b4f7ff9383` (git)
  - affected: `6.6.79 to before 6.6.157` (semver)
  - affected: `6.12.13 to before 6.12.110` (semver)
  - affected: `6.13.2 to before 6.14` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.14`
  - unaffected: `before 6.14` (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:** 0.0020, the 9th 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-2026-90279](https://www.cve.org/CVERecord?id=CVE-2026-90279)
- [NVD: CVE-2026-90279](https://nvd.nist.gov/vuln/detail/CVE-2026-90279)

### References from the CNA

- <https://git.kernel.org/stable/c/9d7490007707f90691911385365bd1d691d99225>
- <https://git.kernel.org/stable/c/cab7d949b18b2f1cd625689dc16c5f81236bac93>
- <https://git.kernel.org/stable/c/02c10581866d08822c6348e299881485fc546185>
- <https://git.kernel.org/stable/c/ccbdc483eb041eef809e9ff223d1ad63518a2c52>
- <https://git.kernel.org/stable/c/17ea021ae74987d6064c8195c4922fa025753892>

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-2026-90279>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90279/>. Everything for agents: <https://agentprime.io/llms.txt>.