# arm64: percpu: Fix LSE operations on {8,16}-bit types

CVE record · `CVE-2026-98248`

- **Identifiers:** `CVE-2026-98248`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 6 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 6 Oct 2026, 08:45 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: `959bf2fd03b59fc107584c21425f3dc73c49f762 to before d69ab4480e49bf925f4781afcc9f284affcb96b6` (git)
  - affected: `959bf2fd03b59fc107584c21425f3dc73c49f762 to before 390742871a723b52de9b92a94c0d1c85a2531e3e` (git)
  - affected: `959bf2fd03b59fc107584c21425f3dc73c49f762 to before 843ace1d0a39e9b1cfcbfb3856a7b0fbdd9cd003` (git)
  - affected: `959bf2fd03b59fc107584c21425f3dc73c49f762 to before 8cf2093f5372952a9ebc805c418d45df7112cd14` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.0`
  - unaffected: `before 5.0` (semver)
  - unaffected: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.54 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.8 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:** 0.0021, the 10th percentile, on 10 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 6 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98248](https://www.cve.org/CVERecord?id=CVE-2026-98248)
- [NVD: CVE-2026-98248](https://nvd.nist.gov/vuln/detail/CVE-2026-98248)

### References from the CNA

- <https://git.kernel.org/stable/c/d69ab4480e49bf925f4781afcc9f284affcb96b6>
- <https://git.kernel.org/stable/c/390742871a723b52de9b92a94c0d1c85a2531e3e>
- <https://git.kernel.org/stable/c/843ace1d0a39e9b1cfcbfb3856a7b0fbdd9cd003>
- <https://git.kernel.org/stable/c/8cf2093f5372952a9ebc805c418d45df7112cd14>

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-2026-98248>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98248/>. Everything for agents: <https://agentprime.io/llms.txt>.