# s390/crypto: Fix skcipher_walk return code handling in aes_s390

CVE record · `CVE-2026-98387`

- **Identifiers:** `CVE-2026-98387`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 14 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 14 Oct 2026, 13:25 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: `7988fb2c03c8cf9936f851ab19a6d21b3c3411c0 to before 89b58645646d1dac34162cc2597f42266bfbf930` (git)
  - affected: `7988fb2c03c8cf9936f851ab19a6d21b3c3411c0 to before 35c3f97569306050e818fa18e17fa97c358f0f28` (git)
  - affected: `7988fb2c03c8cf9936f851ab19a6d21b3c3411c0 to before aea3e1588f08e381a7a57b2bf1a60cc2347904cd` (git)
  - affected: `7988fb2c03c8cf9936f851ab19a6d21b3c3411c0 to before 15fa028589c3a2545f0bff355eff06d5844196bf` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.5`
  - unaffected: `before 5.5` (semver)
  - unaffected: `6.12.111 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.53 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.7 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 9 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 14 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98387](https://www.cve.org/CVERecord?id=CVE-2026-98387)
- [NVD: CVE-2026-98387](https://nvd.nist.gov/vuln/detail/CVE-2026-98387)

### References from the CNA

- <https://git.kernel.org/stable/c/89b58645646d1dac34162cc2597f42266bfbf930>
- <https://git.kernel.org/stable/c/35c3f97569306050e818fa18e17fa97c358f0f28>
- <https://git.kernel.org/stable/c/aea3e1588f08e381a7a57b2bf1a60cc2347904cd>
- <https://git.kernel.org/stable/c/15fa028589c3a2545f0bff355eff06d5844196bf>

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-2026-98387>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98387/>. Everything for agents: <https://agentprime.io/llms.txt>.